Add reliability documentation and final improvements

Co-authored-by: eifinger <1481961+eifinger@users.noreply.github.com>

.github/matchers/format.json

@@ -4,15 +4,9 @@
       "owner": "ruff-format",
       "pattern": [
         {
-          "code": 2,
+          "file": 2,
-          "column": 5,
+          "message": 1,
-          "endColumn": 7,
+          "regexp": "^(Would reformat):\\s*(.+)$"
-          "endLine": 6,
-          "file": 3,
-          "line": 4,
-          "message": 8,
-          "regexp": "^(?:(error|warning|notice))\\s+title=([^,]+),file=([^,]+),line=(\\d+),col=(\\d+)(?:,endLine=(\\d+))?(?:,endColumn=(\\d+))?::(.+)$",
-          "severity": 1
         }
       ]
     }

.github/scripts/tsconfig.json

@@ -1,9 +0,0 @@
-{
-  "compilerOptions": {
-    "module": "nodenext",
-    "moduleResolution": "nodenext",
-    "target": "es2022",
-    "types": ["node"]
-  },
-  "include": ["check-all-tests-passed-needs.ts"]
-}

.github/workflows/codeql-analysis.yml

@@ -39,13 +39,13 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@b20883b0cd1f46c72ae0ba6d1090936928f9fa30 # v4.32.0
+        uses: github/codeql-action/init@3599b3baa15b485a2e49ef411a7a4bb2452e7f93 # v3.30.5
         with:
           languages: ${{ matrix.language }}
           source-root: src
@@ -57,7 +57,7 @@ jobs:
       # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
       # If this step fails, then you should remove it and run the build manually (see below)
       - name: Autobuild
-        uses: github/codeql-action/autobuild@b20883b0cd1f46c72ae0ba6d1090936928f9fa30 # v4.32.0
+        uses: github/codeql-action/autobuild@3599b3baa15b485a2e49ef411a7a4bb2452e7f93 # v3.30.5
 
       # ℹ️ Command-line programs to run using the OS shell.
       # 📚 https://git.io/JvXDl
@@ -71,4 +71,4 @@ jobs:
       #   make release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@b20883b0cd1f46c72ae0ba6d1090936928f9fa30 # v4.32.0
+        uses: github/codeql-action/analyze@3599b3baa15b485a2e49ef411a7a4bb2452e7f93 # v3.30.5

.github/workflows/release-drafter.yml

@@ -17,6 +17,6 @@ jobs:
       pull-requests: read
     steps:
       - name: 🚀 Run Release Drafter
-        uses: release-drafter/release-drafter@5de93583980a40bd78603b6dfdcda5b4df377b32 # v7.2.0
+        uses: release-drafter/release-drafter@b1476f6e6eb133afa41ed8589daba6dc69b4d3f5 # v6.1.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release.yml

@@ -1,58 +0,0 @@
-name: Release
-
-on:
-  workflow_dispatch:
-    inputs:
-      version:
-        description: "Release version (e.g., 8.1.0)"
-        required: true
-        type: string
-
-permissions: {}
-
-jobs:
-  release:
-    name: Release
-    runs-on: ubuntu-latest
-    environment: release
-    permissions:
-      contents: write
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          persist-credentials: false
-
-      - name: Validate version
-        env:
-          VERSION: ${{ inputs.version }}
-        run: |
-          if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
-            echo "::error::Version must match MAJOR.MINOR.PATCH (e.g., 8.1.0)"
-            exit 1
-          fi
-
-      - name: Publish release
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          TAG: v${{ inputs.version }}
-        run: |
-          RELEASE_JSON=$(gh release view "$TAG" --json isDraft,targetCommitish 2>&1) || {
-            echo "::error::No release found for $TAG"
-            exit 1
-          }
-
-          IS_DRAFT=$(echo "$RELEASE_JSON" | jq -r '.isDraft')
-          TARGET=$(echo "$RELEASE_JSON" | jq -r '.targetCommitish')
-
-          if [[ "$IS_DRAFT" != "true" ]]; then
-            echo "::error::Release $TAG already exists and is not a draft"
-            exit 1
-          fi
-
-          if [[ "$TARGET" != "$GITHUB_SHA" ]]; then
-            echo "::error::Draft release target ($TARGET) does not match current commit ($GITHUB_SHA)"
-            exit 1
-          fi
-
-          echo "Publishing draft release $TAG"
-          gh release edit "$TAG" --draft=false

.github/workflows/test.yml

@@ -15,27 +15,22 @@ permissions: {}
 jobs:
   lint:
     runs-on: ubuntu-latest
-    permissions:
-      security-events: write # for zizmor
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Actionlint
-        uses: eifinger/actionlint-action@1fc89649be682d16ec5cf65ea16e269eb88d3982  # v1.10.2
+        uses: eifinger/actionlint-action@03ff1f78c0670b71017616a37170f327df932030  # v1.9.2
-      - name: Run zizmor
+      - uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
-        uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8 # v0.5.2
-      - uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
         with:
-          node-version-file: .nvmrc
+          node-version: "20"
-          cache: npm
       - run: |
-          npm ci --ignore-scripts
+          npm install
       - run: |
           npm run all
       - name: Check all jobs are in all-tests-passed.needs
         run: |
-          tsc -p tsconfig.json
+          tsc check-all-tests-passed-needs.ts
           node check-all-tests-passed-needs.js
         working-directory: .github/scripts
       - name: Make sure no changes from linters are detected
@@ -47,7 +42,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, macos-14, windows-latest]
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use latest version
@@ -62,7 +57,7 @@ jobs:
         ruff-version: ["0.1.7", "0.1.8", "0.4.7", "0.4.10", "0.7", "0.7.x", ">=0.7.0"]
         os: [ ubuntu-latest, ubuntu-24.04-arm, macos-latest, macos-14, windows-latest ]
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use version ${{ matrix.ruff-version }}
@@ -73,7 +68,7 @@ jobs:
   test-unsupported-version:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Try install old version
@@ -93,7 +88,7 @@ jobs:
   test-version-from-version-file-pyproject:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use version from pyproject.toml
@@ -112,7 +107,7 @@ jobs:
   test-default-version-from-pyproject:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use default version from pyproject.toml
@@ -130,7 +125,7 @@ jobs:
   test-default-version-from-pyproject-dev-group:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use default version from pyproject.toml dev group
@@ -149,7 +144,7 @@ jobs:
   test-default-version-from-pyproject-dependency-groups:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use default version from pyproject.toml dependency groups
@@ -165,30 +160,10 @@ jobs:
           fi
         env:
           RUFF_VERSION: ${{ steps.ruff-action.outputs.ruff-version }}
-  test-default-version-from-pyproject-dependency-groups-with-env-marker:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          persist-credentials: false
-      - name: Use default version from pyproject.toml with environment marker
-        id: ruff-action
-        uses: ./
-        with:
-          src: __tests__/fixtures/python-project
-          version-file: __tests__/fixtures/pyproject-dependency-groups-with-env-marker/pyproject.toml
-      - name: Correct version gets installed
-        run: |
-          if [ "$RUFF_VERSION" != "0.13.3" ]; then
-            echo "Expected version 0.13.3 but got $RUFF_VERSION"
-            exit 1
-          fi
-        env:
-          RUFF_VERSION: ${{ steps.ruff-action.outputs.ruff-version }}
   test-default-version-from-pyproject-poetry-groups:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use default version from pyproject.toml poetry group dependencies
@@ -207,7 +182,7 @@ jobs:
   test-default-version-from-pyproject-poetry:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use default version from pyproject.toml poetry dependencies
@@ -226,7 +201,7 @@ jobs:
   test-default-version-from-pyproject-optional-dependencies:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use default version from pyproject.toml optional dependencies
@@ -245,7 +220,7 @@ jobs:
   test-default-version-from-requirements:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use default version from requirements.txt
@@ -261,29 +236,10 @@ jobs:
           fi
         env:
           RUFF_VERSION: ${{ steps.ruff-action.outputs.ruff-version }}
-  test-default-version-from-requirements-with-hash:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          persist-credentials: false
-      - name: Use default version from requirements-with-hash.txt
-        id: ruff-action
-        uses: ./
-        with:
-          src: __tests__/fixtures/python-project
-          version-file: __tests__/fixtures/requirements-with-hash.txt
-      - name: Correct version gets installed
-        run: |
-          if [ "$RUFF_VERSION" != "0.9.0" ]; then
-            exit 1
-          fi
-        env:
-          RUFF_VERSION: ${{ steps.ruff-action.outputs.ruff-version }}
   test-semver-range:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use version 0.7
@@ -302,7 +258,7 @@ jobs:
   test-pep440-version-specifier:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Install version 0.9.10
@@ -328,7 +284,7 @@ jobs:
           - os: macos-latest
             checksum: "af9583bff12afbca5d5670334e0187dd60c4d91bc71317d1b2dde70cb1200ba9"
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Checksum matches expected
@@ -340,7 +296,7 @@ jobs:
   test-with-explicit-token:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use default version
@@ -354,7 +310,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest]
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use args
@@ -365,7 +321,7 @@ jobs:
   test-failure:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Format should fail
@@ -401,7 +357,7 @@ jobs:
       matrix:
         os: [ ubuntu-latest, windows-latest ]
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - name: Use args
@@ -411,50 +367,6 @@ jobs:
           src: >-
             __tests__/fixtures/python-project/src/python_project/__init__.py
             __tests__/fixtures/python-project/src/python_project/hello_world.py
-  test-parent-directory-pyproject:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          persist-credentials: false
-      - name: Use version from parent directory pyproject.toml
-        id: ruff-action
-        uses: ./
-        with:
-          src: __tests__/fixtures/parent-config-project/subproject
-      - name: Correct version gets installed
-        run: |
-          if [ "$RUFF_VERSION" != "0.10.0" ]; then
-            echo "Expected version 0.10.0 but got $RUFF_VERSION"
-            exit 1
-          fi
-        env:
-          RUFF_VERSION: ${{ steps.ruff-action.outputs.ruff-version }}
-
-  test-custom-manifest-file:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          persist-credentials: false
-      - name: Create test src
-        run: |
-          mkdir -p "${{ runner.temp }}/ruff-manifest-test"
-          printf 'print("hello")\n' > "${{ runner.temp }}/ruff-manifest-test/hello.py"
-      - name: Install from custom manifest file
-        id: ruff-action
-        uses: ./
-        with:
-          src: ${{ runner.temp }}/ruff-manifest-test
-          manifest-file: "https://raw.githubusercontent.com/astral-sh/ruff-action/${{ github.ref }}/__tests__/download/custom-manifest.ndjson"
-      - name: Correct version gets installed
-        run: |
-          if [ "$RUFF_VERSION" != "0.15.10" ]; then
-            echo "Wrong ruff version: $RUFF_VERSION"
-            exit 1
-          fi
-        env:
-          RUFF_VERSION: ${{ steps.ruff-action.outputs.ruff-version }}
 
   all-tests-passed:
     runs-on: ubuntu-latest
@@ -467,12 +379,10 @@ jobs:
       - test-default-version-from-pyproject
       - test-default-version-from-pyproject-dev-group
       - test-default-version-from-pyproject-dependency-groups
-      - test-default-version-from-pyproject-dependency-groups-with-env-marker
       - test-default-version-from-pyproject-poetry-groups
       - test-default-version-from-pyproject-poetry
       - test-default-version-from-pyproject-optional-dependencies
       - test-default-version-from-requirements
-      - test-default-version-from-requirements-with-hash
       - test-semver-range
       - test-pep440-version-specifier
       - test-checksum
@@ -480,8 +390,6 @@ jobs:
       - test-args
       - test-failure
       - test-multiple-src
-      - test-parent-directory-pyproject
-      - test-custom-manifest-file
     if: always()
     steps:
       - name: All tests passed

.github/workflows/update-known-checksums.yml

@@ -11,21 +11,20 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
+      - uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
-          node-version-file: .nvmrc
+          node-version: "20"
-          cache: npm
       - name: Update known checksums
         id: update-known-checksums
         run:
-          node dist/update-known-checksums/index.cjs
+          node dist/update-known-checksums/index.js
           src/download/checksum/known-checksums.ts ${{ secrets.GITHUB_TOKEN }}
-      - run: npm ci --ignore-scripts && npm run all
+      - run: npm install && npm run all
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v8.1.0
+        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
         with:
           commit-message: "chore: update known checksums"
           title:

.github/workflows/update-major-minor-tags.yml

@@ -16,9 +16,9 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
-          persist-credentials: true
+          persist-credentials: false
       - name: Update Major Minor Tags
         run: |
           set -x

.nvmrc

@@ -1 +0,0 @@
-24

README.md

@@ -20,7 +20,6 @@ anything `ruff` can (ex, fix).
     - [Install a specific version](#install-a-specific-version)
     - [Install a version by supplying a semver range or pep440 specifier](#install-a-version-by-supplying-a-semver-range-or-pep440-specifier)
     - [Install a version from a specified version file](#install-a-version-from-a-specified-version-file)
-    - [Install using a custom manifest URL](#install-using-a-custom-manifest-url)
   - [Validate checksum](#validate-checksum)
   - [GitHub authentication token](#github-authentication-token)
 - [Outputs](#outputs)
@@ -28,17 +27,13 @@ anything `ruff` can (ex, fix).
 ## Usage
 
 | Input          | Description                                                                                                                                | Default            |
-|-----------------|--------------------------------------------------------------------------------------------------------------------------------------------|--------------------|
+|----------------|--------------------------------------------------------------------------------------------------------------------------------------------|--------------------|
-| `version`       | The version of Ruff to install. See [Install specific versions](#install-specific-versions)                                                | discovered from `pyproject.toml`, else `latest` |
+| `version`      | The version of Ruff to install. See [Install specific versions](#install-specific-versions)                                                | `latest`           |
 | `version-file` | The file to read the version from. See [Install a version from a specified version file](#install-a-version-from-a-specified-version-file) | None               |
-| `manifest-file` | URL to a custom Ruff manifest in the `astral-sh/versions` format.                                                                          | None               |
 | `args`         | The arguments to pass to the `ruff` command. See [Configuring Ruff]                                                                        | `check`            |
 | `src`          | The directory or single files to run `ruff` on.                                                                                            | [github.workspace] |
-| `checksum`      | The sha256 checksum of the downloaded artifact.                                                                                            | None               |
+| `checksum`     | The sha256 checksum of the downloaded executable.                                                                                          | None               |
-| `github-token`  | The GitHub token to use when downloading Ruff release artifacts from GitHub.                                                               | `GITHUB_TOKEN`     |
+| `github-token` | The GitHub token to use for authentication.                                                                                                | `GITHUB_TOKEN`     |
-
-By default, Ruff version metadata is resolved from the
-[`astral-sh/versions` Ruff manifest](https://github.com/astral-sh/versions/blob/main/v1/ruff.ndjson).
 
 ### Basic
 
@@ -95,10 +90,10 @@ you can use the `args` input to overwrite the default value (`check`):
 
 ### Install specific versions
 
-By default this action searches upward from `src` until the workspace root to find the nearest
+By default this action looks for a pyproject.toml file in the root of the repository to determine
-`pyproject.toml` and determine the Ruff version to install. If no `pyproject.toml` file is found,
+the ruff version to install. If no pyproject.toml file is found, or no ruff version is defined in
-or no Ruff version is defined in `project.dependencies`, `project.optional-dependencies`,
+`project.dependencies`, `project.optional-dependencies`, or `dependency-groups`,
-`dependency-groups`, or supported Poetry dependency tables, the latest version is installed.
+the latest version is installed.
 
 > [!NOTE]
 > This action does only support ruff versions v0.0.247 and above.
@@ -151,8 +146,7 @@ to install the latest version that satisfies the range.
 #### Install a version from a specified version file
 
 You can specify a file to read the version from.
-Currently `pyproject.toml` and `requirements.txt` are supported. If the file cannot be parsed
+Currently `pyproject.toml` and `requirements.txt` are supported.
-or does not contain a Ruff version, the action warns and falls back to `latest`.
 
 ```yaml
 - name: Install a version from a specified version file
@@ -161,26 +155,6 @@ or does not contain a Ruff version, the action warns and falls back to `latest`.
     version-file: "my-path/to/pyproject.toml-or-requirements.txt"
 ```
 
-Version resolution precedence is:
-
-1. `version`
-2. `version-file`
-3. nearest discoverable `pyproject.toml` found by searching upward from `src`
-4. `latest`
-
-#### Install using a custom manifest URL
-
-You can override the default `astral-sh/versions` manifest with `manifest-file`.
-This affects both version resolution and artifact selection.
-
-```yaml
-- name: Install Ruff from a custom manifest
-  uses: astral-sh/ruff-action@v3
-  with:
-    version: "latest"
-    manifest-file: "https://example.com/ruff.ndjson"
-```
-
 ### Validate checksum
 
 You can specify a checksum to validate the downloaded executable. Checksums up to the default version
@@ -197,11 +171,9 @@ are automatically verified by this action. The sha256 hashes can be found on the
 
 ### GitHub authentication token
 
-By default, this action resolves available uv versions from
+This action uses the GitHub API to fetch the ruff release artifacts. To avoid hitting the GitHub API
-[`astral-sh/versions`](https://github.com/astral-sh/versions) and downloads release artifacts from `https://releases.astral.sh`. If this fails this action falls back to downloading from the GitHub releases page of the ruff repository.
+rate limit too quickly, an authentication token can be provided via the `github-token` input. By
-
+default, the `GITHUB_TOKEN` secret is used, which is automatically provided by GitHub Actions.
-You can provide a token via `github-token` to authenticate those downloads. By default, the
-`GITHUB_TOKEN` secret is used, which is automatically provided by GitHub Actions.
 
 If the default
 [permissions for the GitHub token](https://docs.github.com/en/actions/security-for-github-actions/security-guides/automatic-token-authentication#permissions-for-the-github_token)
@@ -214,6 +186,15 @@ are not sufficient, you can provide a custom GitHub token with the necessary per
     github-token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
 ```
 
+## Reliability
+
+This action includes built-in retry mechanisms to handle intermittent network issues that can occur when downloading Ruff or fetching version information from GitHub's API. The action will automatically retry failed operations up to 3 times with exponential backoff, which significantly reduces failure rates due to temporary connectivity issues.
+
+- **GitHub API calls**: 30-second timeout with 3 retries
+- **Binary downloads**: 60-second timeout with 3 retries  
+- **Smart error detection**: Automatically identifies retryable errors (timeouts, network issues, 5xx HTTP responses)
+- **Detailed logging**: Provides comprehensive error information for debugging
+
 ## Outputs
 
 | Output         | Description                             |

__tests__/download/custom-manifest.ndjson

@@ -1 +0,0 @@
-{"version":"0.15.10","artifacts":[{"platform":"x86_64-unknown-linux-gnu","variant":"default","url":"https://github.com/astral-sh/ruff/releases/download/0.15.10/ruff-x86_64-unknown-linux-gnu.tar.gz","archive_format":"tar.gz","sha256":"e3e9e5c791542f00d95edc74a506e1ac24efc0af9574de01ab338187bf1ff9f6"}]}

__tests__/download/download-version.test.ts

@@ -1,511 +0,0 @@
-import { beforeEach, describe, expect, it, jest } from "@jest/globals";
-import * as semver from "semver";
-
-const mockInfo = jest.fn();
-const mockWarning = jest.fn();
-
-jest.unstable_mockModule("@actions/core", () => ({
-  debug: jest.fn(),
-  info: mockInfo,
-  warning: mockWarning,
-}));
-
-const mockDownloadTool = jest.fn();
-const mockExtractTar = jest.fn();
-const mockExtractZip = jest.fn();
-const mockCacheDir = jest.fn();
-
-jest.unstable_mockModule("@actions/tool-cache", () => ({
-  cacheDir: mockCacheDir,
-  downloadTool: mockDownloadTool,
-  evaluateVersions: (versions: string[], range: string) =>
-    semver.maxSatisfying(versions, range) ?? "",
-  extractTar: mockExtractTar,
-  extractZip: mockExtractZip,
-  find: () => "",
-  findAllVersions: () => [],
-  isExplicitVersion: (version: string) => semver.valid(version) !== null,
-}));
-
-const mockGetLatestVersion = jest.fn();
-const mockGetAllVersions = jest.fn();
-const mockGetArtifact = jest.fn();
-
-jest.unstable_mockModule("../../src/download/manifest", () => ({
-  getAllVersions: mockGetAllVersions,
-  getArtifact: mockGetArtifact,
-  getLatestVersion: mockGetLatestVersion,
-}));
-
-const mockValidateChecksum = jest.fn();
-
-jest.unstable_mockModule("../../src/download/checksum/checksum", () => ({
-  validateChecksum: mockValidateChecksum,
-}));
-
-const mockCopyFile = jest.fn();
-const mockReaddir = jest.fn();
-
-jest.unstable_mockModule("node:fs", () => ({
-  default: {},
-  promises: {
-    copyFile: mockCopyFile,
-    readdir: mockReaddir,
-  },
-}));
-
-const { downloadVersion, rewriteToMirror } = await import(
-  "../../src/download/download-version"
-);
-const { resolveVersion } = await import("../../src/version/resolve");
-
-describe("download-version", () => {
-  beforeEach(() => {
-    mockInfo.mockReset();
-    mockWarning.mockReset();
-    mockDownloadTool.mockReset();
-    mockExtractTar.mockReset();
-    mockExtractZip.mockReset();
-    mockCacheDir.mockReset();
-    mockGetLatestVersion.mockReset();
-    mockGetAllVersions.mockReset();
-    mockGetArtifact.mockReset();
-    mockValidateChecksum.mockReset();
-    mockCopyFile.mockReset();
-    mockReaddir.mockReset();
-
-    mockDownloadTool.mockResolvedValue("/tmp/downloaded");
-    mockExtractTar.mockResolvedValue("/tmp/extracted");
-    mockExtractZip.mockResolvedValue("/tmp/extracted");
-    mockCacheDir.mockResolvedValue("/tmp/cached");
-    mockReaddir.mockResolvedValue(["ruff"]);
-  });
-
-  describe("resolveVersion", () => {
-    it("uses the default manifest to resolve latest", async () => {
-      mockGetLatestVersion.mockResolvedValue("0.15.8");
-
-      const version = await resolveVersion("latest", undefined);
-
-      expect(version).toBe("0.15.8");
-      expect(mockGetLatestVersion).toHaveBeenCalledTimes(1);
-      expect(mockGetLatestVersion).toHaveBeenCalledWith(undefined);
-    });
-
-    it("uses the default manifest to resolve available versions", async () => {
-      mockGetAllVersions.mockResolvedValue(["0.15.8", "0.15.7"]);
-
-      const version = await resolveVersion("0.15.x", undefined);
-
-      expect(version).toBe("0.15.8");
-      expect(mockGetAllVersions).toHaveBeenCalledTimes(1);
-      expect(mockGetAllVersions).toHaveBeenCalledWith(undefined);
-    });
-
-    it("uses manifest-file when provided", async () => {
-      mockGetAllVersions.mockResolvedValue(["0.15.8", "0.15.7"]);
-
-      const version = await resolveVersion(
-        "0.15.x",
-        "https://example.com/custom.ndjson",
-      );
-
-      expect(version).toBe("0.15.8");
-      expect(mockGetAllVersions).toHaveBeenCalledWith(
-        "https://example.com/custom.ndjson",
-      );
-    });
-  });
-
-  describe("downloadVersion", () => {
-    it("fails when manifest lookup fails", async () => {
-      mockGetArtifact.mockRejectedValue(new Error("manifest unavailable"));
-
-      await expect(
-        downloadVersion(
-          "unknown-linux-gnu",
-          "x86_64",
-          "0.15.8",
-          undefined,
-          "token",
-        ),
-      ).rejects.toThrow("manifest unavailable");
-
-      expect(mockDownloadTool).not.toHaveBeenCalled();
-      expect(mockValidateChecksum).not.toHaveBeenCalled();
-    });
-
-    it("fails when no matching artifact exists in the default manifest", async () => {
-      mockGetArtifact.mockResolvedValue(undefined);
-
-      await expect(
-        downloadVersion(
-          "unknown-linux-gnu",
-          "x86_64",
-          "0.15.8",
-          undefined,
-          "token",
-        ),
-      ).rejects.toThrow(
-        "Could not find artifact for version 0.15.8, arch x86_64, platform unknown-linux-gnu in https://raw.githubusercontent.com/astral-sh/versions/main/v1/ruff.ndjson .",
-      );
-
-      expect(mockDownloadTool).not.toHaveBeenCalled();
-      expect(mockValidateChecksum).not.toHaveBeenCalled();
-    });
-
-    it("uses built-in checksums for default manifest downloads", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "manifest-checksum-that-should-be-ignored",
-        downloadUrl: "https://example.com/ruff.tar.gz",
-      });
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.15.8",
-        undefined,
-        "token",
-      );
-
-      expect(mockValidateChecksum).toHaveBeenCalledWith(
-        undefined,
-        "/tmp/downloaded",
-        "x86_64",
-        "unknown-linux-gnu",
-        "0.15.8",
-      );
-    });
-
-    it("rewrites GitHub Releases URLs to the Astral mirror", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-      });
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.15.8",
-        undefined,
-        "token",
-      );
-
-      expect(mockDownloadTool).toHaveBeenCalledWith(
-        "https://releases.astral.sh/github/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-        undefined,
-        undefined,
-      );
-    });
-
-    it("does not rewrite non-GitHub URLs", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl: "https://example.com/ruff.tar.gz",
-      });
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.15.8",
-        undefined,
-        "token",
-      );
-
-      expect(mockDownloadTool).toHaveBeenCalledWith(
-        "https://example.com/ruff.tar.gz",
-        undefined,
-        undefined,
-      );
-    });
-
-    it("falls back to GitHub Releases when the mirror download fails", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-      });
-
-      mockDownloadTool
-        .mockRejectedValueOnce(new Error("mirror unavailable"))
-        .mockResolvedValueOnce("/tmp/downloaded");
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.15.8",
-        undefined,
-        "token",
-      );
-
-      expect(mockDownloadTool).toHaveBeenCalledTimes(2);
-      expect(mockDownloadTool).toHaveBeenNthCalledWith(
-        1,
-        "https://releases.astral.sh/github/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-        undefined,
-        undefined,
-      );
-      expect(mockDownloadTool).toHaveBeenNthCalledWith(
-        2,
-        "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-        undefined,
-        "token",
-      );
-      expect(mockWarning).toHaveBeenCalledWith(
-        "Failed to download from mirror, falling back to GitHub Releases: mirror unavailable",
-      );
-    });
-
-    it("falls back to the canonical old GitHub Releases URL", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/0.4.7/ruff-x86_64-unknown-linux-gnu.tar.gz",
-      });
-
-      mockDownloadTool
-        .mockRejectedValueOnce(new Error("mirror unavailable"))
-        .mockResolvedValueOnce("/tmp/downloaded");
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.4.7",
-        undefined,
-        "token",
-      );
-
-      expect(mockDownloadTool).toHaveBeenNthCalledWith(
-        2,
-        "https://github.com/astral-sh/ruff/releases/download/v0.4.7/ruff-0.4.7-x86_64-unknown-linux-gnu.tar.gz",
-        undefined,
-        "token",
-      );
-    });
-
-    it("does not fall back when checksum validation fails", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-      });
-      mockValidateChecksum.mockRejectedValue(new Error("bad checksum"));
-
-      await expect(
-        downloadVersion(
-          "unknown-linux-gnu",
-          "x86_64",
-          "0.15.8",
-          undefined,
-          "token",
-        ),
-      ).rejects.toThrow("bad checksum");
-
-      expect(mockDownloadTool).toHaveBeenCalledTimes(1);
-      expect(mockWarning).not.toHaveBeenCalled();
-    });
-
-    it("does not fall back when extraction fails", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-      });
-      mockExtractTar.mockRejectedValue(new Error("extract failed"));
-
-      await expect(
-        downloadVersion(
-          "unknown-linux-gnu",
-          "x86_64",
-          "0.15.8",
-          undefined,
-          "token",
-        ),
-      ).rejects.toThrow("extract failed");
-
-      expect(mockDownloadTool).toHaveBeenCalledTimes(1);
-      expect(mockWarning).not.toHaveBeenCalled();
-    });
-
-    it("does not fall back for non-GitHub URLs", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl: "https://example.com/ruff.tar.gz",
-      });
-
-      mockDownloadTool.mockRejectedValue(new Error("download failed"));
-
-      await expect(
-        downloadVersion(
-          "unknown-linux-gnu",
-          "x86_64",
-          "0.15.8",
-          undefined,
-          "token",
-        ),
-      ).rejects.toThrow("download failed");
-
-      expect(mockDownloadTool).toHaveBeenCalledTimes(1);
-    });
-
-    it("uses manifest-file checksum metadata when checksum input is unset", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "manifest-checksum",
-        downloadUrl: "https://example.com/custom-ruff.tar.gz",
-      });
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.15.8",
-        "",
-        "token",
-        "https://example.com/custom.ndjson",
-      );
-
-      expect(mockValidateChecksum).toHaveBeenCalledWith(
-        "manifest-checksum",
-        "/tmp/downloaded",
-        "x86_64",
-        "unknown-linux-gnu",
-        "0.15.8",
-      );
-    });
-
-    it("prefers checksum input over manifest-file checksum metadata", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "manifest-checksum",
-        downloadUrl: "https://example.com/custom-ruff.tar.gz",
-      });
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.15.8",
-        "user-checksum",
-        "token",
-        "https://example.com/custom.ndjson",
-      );
-
-      expect(mockValidateChecksum).toHaveBeenCalledWith(
-        "user-checksum",
-        "/tmp/downloaded",
-        "x86_64",
-        "unknown-linux-gnu",
-        "0.15.8",
-      );
-    });
-
-    it("preserves tar extraction behavior for newer versions", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl: "https://example.com/ruff.tar.gz",
-      });
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.15.8",
-        "user-checksum",
-        "token",
-      );
-
-      expect(mockExtractTar).toHaveBeenCalledWith("/tmp/downloaded");
-      expect(mockCacheDir).toHaveBeenCalledWith(
-        "/tmp/extracted/ruff-x86_64-unknown-linux-gnu",
-        "ruff",
-        "0.15.8",
-        "x86_64",
-      );
-    });
-
-    it("preserves tar extraction behavior for older versions", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "abc123",
-        downloadUrl: "https://example.com/ruff.tar.gz",
-      });
-
-      await downloadVersion(
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.4.10",
-        undefined,
-        "token",
-      );
-
-      expect(mockCacheDir).toHaveBeenCalledWith(
-        "/tmp/extracted",
-        "ruff",
-        "0.4.10",
-        "x86_64",
-      );
-    });
-
-    it("preserves zip extraction behavior on Windows", async () => {
-      mockGetArtifact.mockResolvedValue({
-        archiveFormat: "zip",
-        checksum: "abc123",
-        downloadUrl: "https://example.com/ruff.zip",
-      });
-
-      await downloadVersion(
-        "pc-windows-msvc",
-        "x86_64",
-        "0.15.8",
-        undefined,
-        "token",
-      );
-
-      expect(mockCopyFile).toHaveBeenCalledWith(
-        "/tmp/downloaded",
-        "/tmp/downloaded.zip",
-      );
-      expect(mockExtractZip).toHaveBeenCalledWith("/tmp/downloaded.zip");
-      expect(mockCacheDir).toHaveBeenCalledWith(
-        "/tmp/extracted",
-        "ruff",
-        "0.15.8",
-        "x86_64",
-      );
-    });
-  });
-
-  describe("rewriteToMirror", () => {
-    it("rewrites a GitHub Releases URL to the Astral mirror", () => {
-      expect(
-        rewriteToMirror(
-          "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-        ),
-      ).toBe(
-        "https://releases.astral.sh/github/ruff/releases/download/0.15.8/ruff-x86_64-unknown-linux-gnu.tar.gz",
-      );
-    });
-
-    it("returns undefined for non-GitHub URLs", () => {
-      expect(
-        rewriteToMirror("https://example.com/ruff.tar.gz"),
-      ).toBeUndefined();
-    });
-
-    it("returns undefined for a different GitHub repo", () => {
-      expect(
-        rewriteToMirror(
-          "https://github.com/other/repo/releases/download/v1.0/file.tar.gz",
-        ),
-      ).toBeUndefined();
-    });
-  });
-});

__tests__/download/manifest.test.ts

@@ -1,196 +0,0 @@
-import { beforeEach, describe, expect, it, jest } from "@jest/globals";
-
-const mockFetch = jest.fn();
-
-jest.unstable_mockModule("@actions/core", () => ({
-  debug: jest.fn(),
-  info: jest.fn(),
-}));
-
-jest.unstable_mockModule("../../src/utils/fetch", () => ({
-  fetch: mockFetch,
-}));
-
-const {
-  clearManifestCache,
-  fetchManifest,
-  getAllVersions,
-  getArtifact,
-  getLatestVersion,
-  parseManifest,
-} = await import("../../src/download/manifest");
-
-const sampleManifestResponse = `{"version":"0.15.8","artifacts":[{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-aarch64-apple-darwin.tar.gz","archive_format":"tar.gz","sha256":"fcf0a9ea6599c6ae28a4c854ac6da76f2c889354d7c36ce136ef071f7ab9721f"},{"platform":"x86_64-pc-windows-msvc","variant":"default","url":"https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-x86_64-pc-windows-msvc.zip","archive_format":"zip","sha256":"eb02fd95d8e0eed462b4a67ecdd320d865b38c560bffcda9a0b87ec944bdf036"}]}
-{"version":"0.15.7","artifacts":[{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/ruff/releases/download/0.15.7/ruff-aarch64-apple-darwin.tar.gz","archive_format":"tar.gz","sha256":"606b3c6949d971709f2526fa0d9f0fd23ccf60e09f117999b406b424af18a6a6"}]}`;
-
-const multiVariantManifestResponse = `{"version":"0.15.8","artifacts":[{"platform":"aarch64-apple-darwin","variant":"python-managed","url":"https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-aarch64-apple-darwin-managed.tar.gz","archive_format":"tar.gz","sha256":"managed-checksum"},{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-aarch64-apple-darwin.zip","archive_format":"zip","sha256":"default-checksum"}]}`;
-
-const oldVersionManifestResponse = `{"version":"v0.4.7","artifacts":[{"platform":"0.4.7-aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/ruff/releases/download/v0.4.7/ruff-0.4.7-aarch64-apple-darwin.tar.gz","archive_format":"tar.gz","sha256":"old-checksum"}]}`;
-
-function createMockResponse(
-  ok: boolean,
-  status: number,
-  statusText: string,
-  data: string,
-) {
-  return {
-    ok,
-    status,
-    statusText,
-    text: async () => data,
-  };
-}
-
-describe("manifest", () => {
-  beforeEach(() => {
-    clearManifestCache();
-    mockFetch.mockReset();
-  });
-
-  describe("fetchManifest", () => {
-    it("fetches and parses manifest data", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleManifestResponse),
-      );
-
-      const versions = await fetchManifest();
-
-      expect(versions).toHaveLength(2);
-      expect(versions[0]?.version).toBe("0.15.8");
-      expect(versions[1]?.version).toBe("0.15.7");
-    });
-
-    it("throws on a failed fetch", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(false, 500, "Internal Server Error", ""),
-      );
-
-      await expect(fetchManifest()).rejects.toThrow(
-        "Failed to fetch manifest data: 500 Internal Server Error",
-      );
-    });
-
-    it("caches results per URL", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleManifestResponse),
-      );
-
-      await fetchManifest("https://example.com/custom.ndjson");
-      await fetchManifest("https://example.com/custom.ndjson");
-
-      expect(mockFetch).toHaveBeenCalledTimes(1);
-    });
-  });
-
-  describe("getAllVersions", () => {
-    it("returns all version strings", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleManifestResponse),
-      );
-
-      const versions = await getAllVersions(
-        "https://example.com/custom.ndjson",
-      );
-
-      expect(versions).toEqual(["0.15.8", "0.15.7"]);
-    });
-  });
-
-  describe("getLatestVersion", () => {
-    it("returns the first version string", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleManifestResponse),
-      );
-
-      await expect(
-        getLatestVersion("https://example.com/custom.ndjson"),
-      ).resolves.toBe("0.15.8");
-    });
-  });
-
-  describe("getArtifact", () => {
-    beforeEach(() => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleManifestResponse),
-      );
-    });
-
-    it("finds an artifact by version and platform", async () => {
-      const artifact = await getArtifact("0.15.8", "aarch64", "apple-darwin");
-
-      expect(artifact).toEqual({
-        archiveFormat: "tar.gz",
-        checksum:
-          "fcf0a9ea6599c6ae28a4c854ac6da76f2c889354d7c36ce136ef071f7ab9721f",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-aarch64-apple-darwin.tar.gz",
-      });
-    });
-
-    it("finds a windows artifact", async () => {
-      const artifact = await getArtifact("0.15.8", "x86_64", "pc-windows-msvc");
-
-      expect(artifact).toEqual({
-        archiveFormat: "zip",
-        checksum:
-          "eb02fd95d8e0eed462b4a67ecdd320d865b38c560bffcda9a0b87ec944bdf036",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-x86_64-pc-windows-msvc.zip",
-      });
-    });
-
-    it("prefers the default variant when multiple artifacts share a platform", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", multiVariantManifestResponse),
-      );
-
-      const artifact = await getArtifact("0.15.8", "aarch64", "apple-darwin");
-
-      expect(artifact).toEqual({
-        archiveFormat: "zip",
-        checksum: "default-checksum",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/0.15.8/ruff-aarch64-apple-darwin.zip",
-      });
-    });
-
-    it("finds an old artifact when the manifest version has a v prefix", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", oldVersionManifestResponse),
-      );
-
-      const artifact = await getArtifact("0.4.7", "aarch64", "apple-darwin");
-
-      expect(artifact).toEqual({
-        archiveFormat: "tar.gz",
-        checksum: "old-checksum",
-        downloadUrl:
-          "https://github.com/astral-sh/ruff/releases/download/v0.4.7/ruff-0.4.7-aarch64-apple-darwin.tar.gz",
-      });
-    });
-
-    it("returns undefined for an unknown version", async () => {
-      const artifact = await getArtifact("0.0.1", "aarch64", "apple-darwin");
-
-      expect(artifact).toBeUndefined();
-    });
-
-    it("returns undefined for an unknown platform", async () => {
-      const artifact = await getArtifact(
-        "0.15.8",
-        "aarch64",
-        "unknown-linux-musl",
-      );
-
-      expect(artifact).toBeUndefined();
-    });
-  });
-
-  describe("parseManifest", () => {
-    it("throws for malformed manifest data", () => {
-      expect(() => parseManifest('{"version":"0.1.0"', "test-source")).toThrow(
-        "Failed to parse manifest data from test-source",
-      );
-    });
-  });
-});

__tests__/fixtures/parent-config-project/pyproject.toml

@@ -1,13 +0,0 @@
-[project]
-name = "parent-config-project"
-version = "0.1.0"
-description = "Test fixture for parent directory pyproject.toml search"
-readme = "README.md"
-requires-python = ">=3.12"
-dependencies = [
-    "ruff==0.10.0",
-]
-
-[build-system]
-requires = ["hatchling"]
-build-backend = "hatchling.build"

__tests__/fixtures/parent-config-project/subproject/hello.py

@@ -1,3 +0,0 @@
-"""Hello world example."""
-
-print("Hello, world!")

__tests__/fixtures/pyproject-dependency-groups-with-env-marker/pyproject.toml

@@ -1,15 +0,0 @@
-[project]
-name = "pyproject-dependency-groups-with-env-marker"
-version = "0.1.0"
-description = "Test fixture for issue #256 - environment markers"
-readme = "README.md"
-requires-python = ">=3.12"
-
-[dependency-groups]
-dev = [
-    "ruff~=0.13 ; python_version >= '3.11'",
-]
-
-[build-system]
-requires = ["hatchling"]
-build-backend = "hatchling.build"

__tests__/fixtures/requirements-with-hash.txt

@@ -1,2 +0,0 @@
-ruff==0.9.0 \
-    --hash=sha256:badc0de

__tests__/utils/pyproject-finder.test.ts

@@ -1,122 +0,0 @@
-import path from "node:path";
-import { fileURLToPath } from "node:url";
-import { beforeEach, describe, expect, it, jest } from "@jest/globals";
-
-const debug = jest.fn();
-const info = jest.fn();
-
-jest.unstable_mockModule("@actions/core", () => ({
-  debug,
-  info,
-}));
-
-const { findPyprojectToml } = await import("../../src/utils/pyproject-finder");
-
-const testFilePath = fileURLToPath(import.meta.url);
-const testDir = path.dirname(testFilePath);
-const repoRoot = path.resolve(testDir, "..", "..");
-const fixturesDir = path.join(repoRoot, "__tests__", "fixtures");
-
-describe("findPyprojectToml", () => {
-  beforeEach(() => {
-    debug.mockReset();
-    info.mockReset();
-  });
-
-  describe("when pyproject.toml exists in src directory", () => {
-    it("should return the exact path", () => {
-      const result = findPyprojectToml(fixturesDir, repoRoot);
-
-      expect(result).toContain("pyproject.toml");
-      expect(result).toContain("fixtures");
-      expect(info).toHaveBeenCalled();
-    });
-  });
-
-  describe("when pyproject.toml exists only in parent directory", () => {
-    it("should search upwards and find the parent's pyproject.toml", () => {
-      const subprojectDir = path.join(
-        fixturesDir,
-        "parent-config-project",
-        "subproject",
-      );
-
-      const result = findPyprojectToml(subprojectDir, repoRoot);
-
-      expect(result).toBeTruthy();
-      expect(result).toContain("pyproject.toml");
-      expect(result).toContain("parent-config-project");
-      expect(info).toHaveBeenCalled();
-    });
-  });
-
-  describe("boundary conditions", () => {
-    it("should stop searching at workspace root and return undefined when not found", () => {
-      const nodeModulesDir = path.join(repoRoot, "node_modules", "@actions");
-
-      const result = findPyprojectToml(nodeModulesDir, repoRoot);
-
-      expect(result).toBeUndefined();
-      expect(info).not.toHaveBeenCalledWith(
-        expect.stringContaining("Found pyproject.toml"),
-      );
-    });
-
-    it("should find pyproject.toml when it exists at workspace root", () => {
-      const parentConfigProjectDir = path.join(
-        fixturesDir,
-        "parent-config-project",
-      );
-      const subprojectDir = path.join(parentConfigProjectDir, "subproject");
-
-      const result = findPyprojectToml(subprojectDir, parentConfigProjectDir);
-
-      expect(result).toBeTruthy();
-      expect(result).toContain("pyproject.toml");
-      expect(result).toContain("parent-config-project");
-    });
-
-    it("should stop at workspace root even if searching from it", () => {
-      const result = findPyprojectToml(fixturesDir, fixturesDir);
-
-      expect(result).toBeTruthy();
-      expect(result).toContain("pyproject.toml");
-      expect(result).toContain("fixtures");
-    });
-  });
-
-  describe("edge cases", () => {
-    it("should handle relative paths", () => {
-      const result = findPyprojectToml("./__tests__/fixtures", ".");
-
-      expect(result).toBeTruthy();
-      expect(result).toContain("pyproject.toml");
-    });
-
-    it("should handle when src equals workspace root", () => {
-      const result = findPyprojectToml(fixturesDir, fixturesDir);
-
-      expect(result).toBeTruthy();
-      expect(result).toContain("pyproject.toml");
-      expect(result).toContain("fixtures");
-    });
-
-    it("should log debug messages for each checked path", () => {
-      const pythonProjectDir = path.join(fixturesDir, "python-project");
-
-      findPyprojectToml(pythonProjectDir, repoRoot);
-
-      expect(debug).toHaveBeenCalled();
-      expect(debug.mock.calls.length).toBeGreaterThan(0);
-      expect(debug.mock.calls[0][0]).toContain("Checking for");
-      expect(debug.mock.calls[0][0]).toContain("python-project");
-    });
-
-    it("should handle paths with trailing slashes", () => {
-      const result = findPyprojectToml(`${fixturesDir}/`, repoRoot);
-
-      expect(result).toBeTruthy();
-      expect(result).toContain("pyproject.toml");
-    });
-  });
-});

__tests__/version/file-parser.test.ts

@@ -1,128 +0,0 @@
-import { beforeEach, describe, expect, it, jest } from "@jest/globals";
-
-const info = jest.fn();
-const warning = jest.fn();
-
-jest.unstable_mockModule("@actions/core", () => ({
-  debug: jest.fn(),
-  info,
-  warning,
-}));
-
-const { findRuffVersionInSpec, getRuffVersionFromFile } = await import(
-  "../../src/version/file-parser"
-);
-
-describe("file-parser", () => {
-  beforeEach(() => {
-    info.mockReset();
-    warning.mockReset();
-  });
-
-  describe("findRuffVersionInSpec", () => {
-    it("extracts version from 'ruff==0.9.3'", () => {
-      const result = findRuffVersionInSpec("ruff==0.9.3");
-      expect(result).toBe("0.9.3");
-      expect(info).toHaveBeenCalledWith(
-        "Found ruff version in requirements file: 0.9.3",
-      );
-      expect(warning).not.toHaveBeenCalled();
-    });
-
-    it("extracts version from 'ruff>=0.14'", () => {
-      const result = findRuffVersionInSpec("ruff>=0.14");
-      expect(result).toBe(">=0.14");
-      expect(warning).not.toHaveBeenCalled();
-    });
-
-    it("extracts version from 'ruff ~=1.0.0'", () => {
-      const result = findRuffVersionInSpec("ruff ~=1.0.0");
-      expect(result).toBe("~=1.0.0");
-      expect(warning).not.toHaveBeenCalled();
-    });
-
-    it("extracts version from 'ruff>=0.14,<1.0'", () => {
-      const result = findRuffVersionInSpec("ruff>=0.14,<1.0");
-      expect(result).toBe(">=0.14,<1.0");
-      expect(warning).not.toHaveBeenCalled();
-    });
-
-    it("extracts version from 'ruff>=0.14,<2.0,!=1.5.0'", () => {
-      const result = findRuffVersionInSpec("ruff>=0.14,<2.0,!=1.5.0");
-      expect(result).toBe(">=0.14,<2.0,!=1.5.0");
-      expect(warning).not.toHaveBeenCalled();
-    });
-
-    it("returns undefined for non-ruff dependencies", () => {
-      const result = findRuffVersionInSpec("another-dep==0.1.6");
-      expect(result).toBeUndefined();
-      expect(info).not.toHaveBeenCalled();
-      expect(warning).not.toHaveBeenCalled();
-    });
-
-    it("strips trailing backslash", () => {
-      const result = findRuffVersionInSpec("ruff==0.9.3 \\");
-      expect(result).toBe("0.9.3");
-      expect(info).toHaveBeenCalledWith(
-        "Found ruff version in requirements file: 0.9.3",
-      );
-      expect(warning).not.toHaveBeenCalled();
-    });
-
-    it("strips environment markers and warns", () => {
-      const result = findRuffVersionInSpec(
-        'ruff>=0.14 ; python_version >= "3.11"',
-      );
-      expect(result).toBe(">=0.14");
-      expect(info).toHaveBeenCalledWith(
-        "Found ruff version in requirements file: >=0.14",
-      );
-      expect(warning).toHaveBeenCalledWith(
-        "Environment markers are ignored. ruff is a standalone tool that works independently of Python version.",
-      );
-    });
-
-    it("handles whitespace", () => {
-      const result = findRuffVersionInSpec("  ruff  >=0.14  ");
-      expect(result).toBe(">=0.14");
-      expect(warning).not.toHaveBeenCalled();
-    });
-
-    it("returns undefined for empty strings", () => {
-      const result = findRuffVersionInSpec("");
-      expect(result).toBeUndefined();
-      expect(info).not.toHaveBeenCalled();
-      expect(warning).not.toHaveBeenCalled();
-    });
-  });
-
-  describe("getRuffVersionFromFile", () => {
-    it("reads the version from requirements.txt", () => {
-      const result = getRuffVersionFromFile(
-        "__tests__/fixtures/requirements.txt",
-      );
-      expect(result).toBe("0.9.0");
-    });
-
-    it("reads the version from requirements files with hashes", () => {
-      const result = getRuffVersionFromFile(
-        "__tests__/fixtures/requirements-with-hash.txt",
-      );
-      expect(result).toBe("0.9.0");
-    });
-
-    it("reads the version from pyproject.toml dependencies", () => {
-      const result = getRuffVersionFromFile(
-        "__tests__/fixtures/pyproject.toml",
-      );
-      expect(result).toBe("0.9.3");
-    });
-
-    it("reads the version from Poetry dependencies", () => {
-      const result = getRuffVersionFromFile(
-        "__tests__/fixtures/pyproject-dependency-poetry-project/pyproject.toml",
-      );
-      expect(result).toBe("~0.8.2");
-    });
-  });
-});

__tests__/version/version-request-resolver.test.ts

@@ -1,164 +0,0 @@
-import fs from "node:fs";
-import os from "node:os";
-import path from "node:path";
-import {
-  afterEach,
-  beforeEach,
-  describe,
-  expect,
-  it,
-  jest,
-} from "@jest/globals";
-
-const debug = jest.fn();
-const info = jest.fn();
-const warning = jest.fn();
-
-jest.unstable_mockModule("@actions/core", () => ({
-  debug,
-  info,
-  warning,
-}));
-
-const { resolveVersionRequest } = await import(
-  "../../src/version/version-request-resolver"
-);
-
-const tempDirs: string[] = [];
-
-function createTempProject(files: Record<string, string> = {}): string {
-  const dir = fs.mkdtempSync(
-    path.join(os.tmpdir(), "ruff-action-version-test-"),
-  );
-  tempDirs.push(dir);
-
-  for (const [relativePath, content] of Object.entries(files)) {
-    const filePath = path.join(dir, relativePath);
-    fs.mkdirSync(path.dirname(filePath), { recursive: true });
-    fs.writeFileSync(filePath, content);
-  }
-
-  return dir;
-}
-
-afterEach(() => {
-  for (const dir of tempDirs.splice(0)) {
-    fs.rmSync(dir, { force: true, recursive: true });
-  }
-});
-
-describe("resolveVersionRequest", () => {
-  beforeEach(() => {
-    debug.mockReset();
-    info.mockReset();
-    warning.mockReset();
-  });
-
-  it("prefers explicit input over workspace discovery", () => {
-    const workspaceRoot = createTempProject({
-      "pyproject.toml": `[project]\ndependencies = ["ruff==0.5.14"]\n`,
-    });
-
-    const request = resolveVersionRequest({
-      sourceDirectory: workspaceRoot,
-      version: "==0.6.0",
-      workspaceRoot,
-    });
-
-    expect(request).toEqual({
-      source: "input",
-      specifier: "0.6.0",
-    });
-  });
-
-  it("uses requirements.txt when it is passed via version-file", () => {
-    const workspaceRoot = createTempProject({
-      "requirements.txt": "ruff==0.6.17\nruff-api==0.1.0\n",
-    });
-
-    const request = resolveVersionRequest({
-      sourceDirectory: workspaceRoot,
-      versionFile: path.join(workspaceRoot, "requirements.txt"),
-      workspaceRoot,
-    });
-
-    expect(request).toEqual({
-      format: "requirements",
-      source: "version-file",
-      sourcePath: path.join(workspaceRoot, "requirements.txt"),
-      specifier: "0.6.17",
-    });
-  });
-
-  it("warns and falls back to latest when version-file does not resolve a version", () => {
-    const workspaceRoot = createTempProject({
-      "requirements.txt": "ruff-api==0.1.0\n",
-    });
-
-    const request = resolveVersionRequest({
-      sourceDirectory: workspaceRoot,
-      versionFile: path.join(workspaceRoot, "requirements.txt"),
-      workspaceRoot,
-    });
-
-    expect(request).toEqual({
-      source: "default",
-      specifier: "latest",
-    });
-    expect(warning).toHaveBeenCalledWith(
-      `Could not parse version from ${path.join(workspaceRoot, "requirements.txt")}. Using latest version.`,
-    );
-  });
-
-  it("discovers pyproject.toml by searching upward from src", () => {
-    const workspaceRoot = createTempProject({
-      "pyproject.toml": `[project]\ndependencies = ["ruff==0.10.0"]\n`,
-      "subproject/nested/example.py": 'print("hello")\n',
-    });
-    const sourceDirectory = path.join(workspaceRoot, "subproject", "nested");
-
-    const request = resolveVersionRequest({
-      sourceDirectory,
-      workspaceRoot,
-    });
-
-    expect(request).toEqual({
-      format: "pyproject.toml",
-      source: "pyproject.toml",
-      sourcePath: path.join(workspaceRoot, "pyproject.toml"),
-      specifier: "0.10.0",
-    });
-  });
-
-  it("falls back to latest when no workspace version source is found", () => {
-    const workspaceRoot = createTempProject({
-      "subproject/example.py": 'print("hello")\n',
-    });
-
-    const request = resolveVersionRequest({
-      sourceDirectory: path.join(workspaceRoot, "subproject"),
-      workspaceRoot,
-    });
-
-    expect(request).toEqual({
-      source: "default",
-      specifier: "latest",
-    });
-    expect(info).toHaveBeenCalledWith(
-      "Could not find pyproject.toml. Using latest version.",
-    );
-  });
-
-  it("throws when both version and version-file are specified", () => {
-    const workspaceRoot = createTempProject();
-
-    expect(() =>
-      resolveVersionRequest({
-        sourceDirectory: workspaceRoot,
-        version: "0.6.0",
-        versionFile: path.join(workspaceRoot, "requirements.txt"),
-        workspaceRoot,
-      }),
-    ).toThrow("It is not allowed to specify both version and version-file");
-  });
-});

action.yml

@@ -11,29 +11,27 @@ inputs:
     required: false
     default: ${{ github.workspace }}
   version:
-    description: "The version of Ruff to use, e.g., `0.6.0`. Defaults to the first discoverable version in pyproject.toml searched upward from `src`, or `latest`."
+    description: "The version of Ruff to use, e.g., `0.6.0` Defaults to the version in pyproject.toml or 'latest'."
     required: false
     default: ""
   version-file:
-    description: "Path to a pyproject.toml or requirements.txt file to read the version from. If parsing fails, the action warns and falls back to `latest`."
+    description: "Path to a pyproject.toml or requirements.txt file to read the version from."
     required: false
   checksum:
     description: "The checksum of the ruff version to install"
     required: false
-  manifest-file:
-    description: "URL to a custom manifest file in the astral-sh/versions format."
-    required: false
   github-token:
     description:
-      "Used for authenticated downloads of Ruff release artifacts from GitHub."
+      "Used to increase the rate limit when retrieving versions and downloading
+      ruff."
     required: false
     default: ${{ github.token }}
 outputs:
   ruff-version:
     description: "The installed ruff version. Useful when using latest."
 runs:
-  using: "node24"
+  using: "node20"
-  main: "dist/ruff-action/index.cjs"
+  main: "dist/ruff-action/index.js"
 branding:
   icon: "code"
   color: "black"

biome.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.4.9/schema.json",
+  "$schema": "https://biomejs.dev/schemas/2.1.4/schema.json",
   "assist": {
     "actions": {
       "source": {
@@ -13,7 +13,6 @@
     "ignoreUnknown": false,
     "includes": [
       "**",
-      "!**/coverage",
       "!**/dist",
       "!**/lib",
       "!**/node_modules",

jest.config.mjs

@@ -1,12 +0,0 @@
-import { createDefaultEsmPreset } from "ts-jest";
-
-const preset = createDefaultEsmPreset();
-
-/** @type {import('jest').Config} */
-export default {
-  ...preset,
-  collectCoverageFrom: ["src/**/*.ts", "!src/**/*.d.ts"],
-  moduleFileExtensions: ["ts", "js", "mjs"],
-  testEnvironment: "node",
-  testMatch: ["<rootDir>/__tests__/**/*.test.ts"],
-};

package.json

@@ -2,52 +2,40 @@
   "name": "ruff-action",
   "version": "1.0.0",
   "private": true,
-  "type": "module",
   "description": "A GitHub Action to run Ruff, an extremely fast Python linter and code formatter.",
-  "main": "dist/ruff-action/index.cjs",
+  "main": "dist/ruff-action/index.js",
   "scripts": {
-    "build": "tsc --noEmit",
+    "build": "tsc",
     "check": "biome check --write",
-    "package": "node scripts/build-dist.mjs",
+    "package": "ncc build -o dist/ruff-action src/ruff-action.ts && ncc build -o dist/update-known-checksums src/update-known-checksums.ts",
     "act": "act pull_request -W .github/workflows/test.yml --container-architecture linux/amd64 -s GITHUB_TOKEN=\"$(gh auth token)\"",
-    "update-known-checksums": "RUNNER_TEMP=known_checksums node dist/update-known-checksums/index.cjs src/download/checksum/known-checksums.ts \"$(gh auth token)\"",
+    "update-known-checksums": "RUNNER_TEMP=known_checksums node dist/update-known-checksums/index.js src/download/checksum/known-checksums.ts \"$(gh auth token)\"",
-    "test:unit": "node --experimental-vm-modules ./node_modules/jest/bin/jest.js",
+    "all": "npm install && npm run build && npm run check && npm run package"
-    "test": "npm run build && npm run test:unit",
-    "all": "npm run build && npm run check && npm run package && npm run test:unit"
   },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/astral-sh/ruff-action.git"
   },
-  "keywords": [
+  "keywords": ["actions", "python", "ruff", "action"],
-    "actions",
-    "python",
-    "ruff",
-    "action"
-  ],
   "author": "@eifinger",
   "license": "Apache-2.0",
   "dependencies": {
-    "@actions/core": "^3.0.0",
+    "@actions/core": "^1.11.1",
-    "@actions/exec": "^3.0.0",
+    "@actions/exec": "^1.1.1",
-    "@actions/tool-cache": "^4.0.0",
+    "@actions/tool-cache": "^2.0.2",
     "@octokit/core": "^7.0.3",
     "@octokit/plugin-paginate-rest": "^13.1.1",
     "@octokit/plugin-rest-endpoint-methods": "^16.0.0",
-    "@renovatebot/pep440": "^4.2.1",
+    "@renovatebot/pep440": "^4.1.0",
-    "smol-toml": "^1.6.0",
+    "smol-toml": "^1.4.1"
-    "undici": "^6.24.1"
   },
   "devDependencies": {
-    "@biomejs/biome": "^2.4.7",
+    "@biomejs/biome": "2.1.4",
-    "@types/jest": "^29.5.14",
     "@types/js-yaml": "^4.0.9",
-    "@types/node": "^25.5.0",
+    "@types/node": "^24.2.1",
-    "@types/semver": "^7.7.1",
+    "@types/semver": "^7.7.0",
-    "esbuild": "^0.27.4",
+    "@vercel/ncc": "^0.38.3",
-    "jest": "^30.3.0",
+    "js-yaml": "^4.1.0",
-    "js-yaml": "^4.1.1",
+    "typescript": "^5.9.2"
-    "ts-jest": "^29.4.6",
-    "typescript": "^5.9.3"
   }
 }

scripts/build-dist.mjs

@@ -1,41 +0,0 @@
-import { mkdir, rm } from "node:fs/promises";
-import path from "node:path";
-import { fileURLToPath } from "node:url";
-import { build } from "esbuild";
-
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-const repoRoot = path.resolve(__dirname, "..");
-
-const builds = [
-  {
-    entryPoint: path.join(repoRoot, "src", "ruff-action.ts"),
-    outfile: path.join(repoRoot, "dist", "ruff-action", "index.cjs"),
-    staleOutfile: path.join(repoRoot, "dist", "ruff-action", "index.js"),
-  },
-  {
-    entryPoint: path.join(repoRoot, "src", "update-known-checksums.ts"),
-    outfile: path.join(repoRoot, "dist", "update-known-checksums", "index.cjs"),
-    staleOutfile: path.join(
-      repoRoot,
-      "dist",
-      "update-known-checksums",
-      "index.js",
-    ),
-  },
-];
-
-await Promise.all(
-  builds.map(async ({ entryPoint, outfile, staleOutfile }) => {
-    await rm(staleOutfile, { force: true });
-    await mkdir(path.dirname(outfile), { recursive: true });
-    await build({
-      bundle: true,
-      entryPoints: [entryPoint],
-      format: "cjs",
-      outfile,
-      platform: "node",
-      target: "node24",
-    });
-  }),
-);

src/download/checksum/known-checksums.ts

@@ -1,847 +1,5 @@
 // AUTOGENERATED_DO_NOT_EDIT
 export const KNOWN_CHECKSUMS: { [key: string]: string } = {
-  "aarch64-apple-darwin-0.15.10":
-    "77c1df502dcfaaec52c6ce203b504b8554c88ab66ac01313410fa68ad9aafd5b",
-  "aarch64-pc-windows-msvc-0.15.10":
-    "1776bf104277b3fbb3b3e4b481655f492f6df10210e2e00cd94132e66e999bd4",
-  "aarch64-unknown-linux-gnu-0.15.10":
-    "b775a5a09484549ac3fd377b5ce34955cf633165169671d1c4a215c113ce15df",
-  "aarch64-unknown-linux-musl-0.15.10":
-    "84754f0e58f58fb123ea49b8d22b8ce2cc96e4046b7c1b1ed99f6af7fe76f8ef",
-  "arm-unknown-linux-musleabihf-0.15.10":
-    "e94eb3061a263217fad7219a0b20e5a746a31f44387cd21c31eb5103357dbb8c",
-  "armv7-unknown-linux-gnueabihf-0.15.10":
-    "7a348dd60f4c5563482504acabba49def8a8cd5d957b6e145a1dbdef7cdf0663",
-  "armv7-unknown-linux-musleabihf-0.15.10":
-    "8c85562d2ed09bc4edbbea151aec386e8f7e9f5499e6c5d0324fd26fe7c5dc8a",
-  "i686-pc-windows-msvc-0.15.10":
-    "a8b4132914f197d1fef5f48fd7f0f8e840546a814daf9f680109344407da79ac",
-  "i686-unknown-linux-gnu-0.15.10":
-    "6f9b23d07d90ef3ac148c8b81fc8ea37647f1241e4db18be1b0a24df43d479f8",
-  "i686-unknown-linux-musl-0.15.10":
-    "63d80b9427a8299c8bf08d34621e187fe5fe5f696f36b54635e00248d3ca7e5f",
-  "powerpc64le-unknown-linux-gnu-0.15.10":
-    "49cfcb83828844f61e00c643dd81182a015140b9bf58cee5b115f705e99749e6",
-  "riscv64gc-unknown-linux-gnu-0.15.10":
-    "8d7eeef9d9abd9e88b92d9420021be5fbd1dbd60e10ef7f989060213cd68c4c7",
-  "s390x-unknown-linux-gnu-0.15.10":
-    "80056787672af7b4e9217afdd666a8c19eebbe5eb2fe626a6a9a779ea6778a1b",
-  "x86_64-apple-darwin-0.15.10":
-    "7210e06196de876771cc0bad0f1d57678e709d039f184b491fdaa600d6a95a5e",
-  "x86_64-pc-windows-msvc-0.15.10":
-    "6f8f9a445102107ee3c0a05c8f386bacb32238199ecbc0983b9b06c5ea3d7c5e",
-  "x86_64-unknown-linux-gnu-0.15.10":
-    "e3e9e5c791542f00d95edc74a506e1ac24efc0af9574de01ab338187bf1ff9f6",
-  "x86_64-unknown-linux-musl-0.15.10":
-    "8b0a16bae81e371c9b6176a27fdb9db1deaa04c4cfe87e8604a898cc31686500",
-  "aarch64-apple-darwin-0.15.9":
-    "013d878f17c625550e4a6b19235c22fc229639f66f563bb72cb2c896aeca11e8",
-  "aarch64-pc-windows-msvc-0.15.9":
-    "813c3b9cf0c01ef913bfbc8d2dd17e140a8c3d54ae1b8f8c20ac53e2871674f0",
-  "aarch64-unknown-linux-gnu-0.15.9":
-    "ea71b14433318bed364e0dbb04203e57027cf134ab909d5e452be28d87d0fd08",
-  "aarch64-unknown-linux-musl-0.15.9":
-    "e017dd0c1fd7475aaddc49bde8cddcee3c27d42f6ce139a96df0c1022e06d85b",
-  "arm-unknown-linux-musleabihf-0.15.9":
-    "593382b4b5271cf63b8ea9972c7475a299f341ce8a9c22127ce1f8b7d82fcfe1",
-  "armv7-unknown-linux-gnueabihf-0.15.9":
-    "3c12ad897c62954fdc6a5c0f7baddd06f1cb37f1987618fa243ebd00a7b67d86",
-  "armv7-unknown-linux-musleabihf-0.15.9":
-    "9d9ebfe0075c7a6411f771ba79e210a3dffc4ba9706b542c5db72dc39d922893",
-  "i686-pc-windows-msvc-0.15.9":
-    "46cdcacb4522e19a26a18d586abb6addc68b4254bea958e93a347d7566add1c3",
-  "i686-unknown-linux-gnu-0.15.9":
-    "c04ddaa542d36b0483e325d29b00520242cf6b4e78e4cea0b73f0c74c77459ef",
-  "i686-unknown-linux-musl-0.15.9":
-    "97145060b15819b7d31df7c3fd160b02397e89c40069d485915ce6fbe92cb769",
-  "powerpc64le-unknown-linux-gnu-0.15.9":
-    "56e522a316427281d590aff0bcece176aedb15e9329799c1ada5cd8fd5e17b71",
-  "riscv64gc-unknown-linux-gnu-0.15.9":
-    "e0499cfd557515133118cc4dafb65a805c9656833a66b2fddaee9a9f8e847de4",
-  "s390x-unknown-linux-gnu-0.15.9":
-    "7402b9bdb1aaa79387f5b702696ec75d9ebed26f0a8e5097fc58924418c92097",
-  "x86_64-apple-darwin-0.15.9":
-    "7e0fe9daba25848f85cb3d43e47ecd7d23f14e92e8799f92c1bcd8319a4ce4f8",
-  "x86_64-pc-windows-msvc-0.15.9":
-    "e38fddd19805bc8f7329003c2abdaf49d8ca9e5bc0c6702e8472e16f127bcd44",
-  "x86_64-unknown-linux-gnu-0.15.9":
-    "223ce40fbea2245b0a650abf9f5093a6009b56a04e5e63c036f446cab328dcf7",
-  "x86_64-unknown-linux-musl-0.15.9":
-    "e30e6e50dbf925b42335f28e2fa296d404294f294159b314dca47b88317fc477",
-  "aarch64-apple-darwin-0.15.8":
-    "94fc061f928c8f2b04c4b3a98aad2b1b04f38b4c808839bc5b33a2f0a63a47a3",
-  "aarch64-pc-windows-msvc-0.15.8":
-    "5e2941bff2f14fa9b48532bba67d1bbeec2c26d5fecc5a4bc0f76d813ad644dc",
-  "aarch64-unknown-linux-gnu-0.15.8":
-    "7df2a2c86f1017936d8ce7b74d451ed05f2c648af8cf89add7ac0e4f3635f386",
-  "aarch64-unknown-linux-musl-0.15.8":
-    "15e6a6c21696bbe59c56d0f1c437452b960bcdfe81ecc3bc19fa89e6a7d70eb6",
-  "arm-unknown-linux-musleabihf-0.15.8":
-    "49847e5d218aa17da9be67df543d7c635e67558356e67406f97db0742776ed6b",
-  "armv7-unknown-linux-gnueabihf-0.15.8":
-    "4116ec65accfc2463a30720407f239339f72b1e40a66b341a9450651f3b43976",
-  "armv7-unknown-linux-musleabihf-0.15.8":
-    "e35ad1094bc8ef40b4d60fd32dbc6b129c4d9d4283f7ac3c838189f614c81d83",
-  "i686-pc-windows-msvc-0.15.8":
-    "01fd5224726810986121e1618602f2c24332a6abd2476d37c73d695be36679a7",
-  "i686-unknown-linux-gnu-0.15.8":
-    "66bf0839b384700624d946390ceb4493a787b5e56b93dd17795e2d5111db01f7",
-  "i686-unknown-linux-musl-0.15.8":
-    "098040cc3fdcb01efffbefa83bad0ccf4ecbcc00b7d0b5489f405d633fad1d5a",
-  "powerpc64le-unknown-linux-gnu-0.15.8":
-    "b3664a2793b002ef65888eb2818d449ede3d34b16ee71f17e8f1851b3d22eb23",
-  "riscv64gc-unknown-linux-gnu-0.15.8":
-    "7557039907a61cd7f1c7bad06fd77bdc38a7b2436471fe0b58e662d78ae13964",
-  "s390x-unknown-linux-gnu-0.15.8":
-    "127a53b418e6828816e156bf7ae959f70394ed67882bf9d69bcd15f3b34c6eba",
-  "x86_64-apple-darwin-0.15.8":
-    "153d1801068df606290e832058ce2e5601584ac302788a055d0390adf6c772ce",
-  "x86_64-pc-windows-msvc-0.15.8":
-    "1e6ebd021dc9cefa8b9f15b5d6500c275ec49a0f2da968824845c34f30060c78",
-  "x86_64-unknown-linux-gnu-0.15.8":
-    "45a6ed01c5b32873d4f6239f5fd6d9adde782295261b4a65962d754b3e37a849",
-  "x86_64-unknown-linux-musl-0.15.8":
-    "d541beae99d550ed4abb3a1d026b907886c7cdf44a533b24624871e3d8c81330",
-  "aarch64-apple-darwin-0.15.7":
-    "e573cdb504fce521af501cc16b7018fb6560ac0e7af5d05056c942b3a1ad5a79",
-  "aarch64-pc-windows-msvc-0.15.7":
-    "beb2eb063e52f197694fb79045cef276735a7becbbd8f8f79e1c99613a12d7e7",
-  "aarch64-unknown-linux-gnu-0.15.7":
-    "aee72470734c4220d367b269c3e901b7134485ecc70fe8635ff8141f09d9d11f",
-  "aarch64-unknown-linux-musl-0.15.7":
-    "a6e07403e1a2287ba87676e1e9fd3c6f392d2042ed4eb0ca83cda9d549926bfa",
-  "arm-unknown-linux-musleabihf-0.15.7":
-    "d5f527f70067a4cfaa7218383781ee5e0a5dcc0bbe9122c4fa8f6d1a88a991f8",
-  "armv7-unknown-linux-gnueabihf-0.15.7":
-    "0daac568f418577bc5e31c6c5d53f590c99dc42b740310a627ba0dc99dfcfe66",
-  "armv7-unknown-linux-musleabihf-0.15.7":
-    "9fbc574fcc28e104d0da617ab2655c904185f990660029483897aa76d2e60cea",
-  "i686-pc-windows-msvc-0.15.7":
-    "d6e02b3f65c29c64f443d7f0ebeb3a5a08b12fccfb3325d7ba2e026dedd2855b",
-  "i686-unknown-linux-gnu-0.15.7":
-    "18aa2cb27a5e383574189bf1983c9fdb9b1c6b9c1331f90cf03a5b0032c8325b",
-  "i686-unknown-linux-musl-0.15.7":
-    "02b6f4a2f6abf35e8e657e579e91718fbb36cf75e8f3095f13908d3d33dc4e66",
-  "powerpc64le-unknown-linux-gnu-0.15.7":
-    "ab153c03e331accb127098a8467e415524d8b2035a277f250e0b50908588bcf4",
-  "riscv64gc-unknown-linux-gnu-0.15.7":
-    "cf71700aed80851a8d32cd663e00d22b6a3eb03e17e057e0a63c7aaff4f20c57",
-  "s390x-unknown-linux-gnu-0.15.7":
-    "c854a5cf6537eeaae380d1b4515a9f09a8ee2da45ed71cc230b39b0b6d18638c",
-  "x86_64-apple-darwin-0.15.7":
-    "2cff55e19e759addc871a8ed13cca38a3ad576d483fd2092b8072bad972ecfa0",
-  "x86_64-pc-windows-msvc-0.15.7":
-    "2971a4d16a6b20efc2e51c1f4290ae5d4a85935bb964eb298c9b73f682160379",
-  "x86_64-unknown-linux-gnu-0.15.7":
-    "2253ba7f064023def4b77aaef127756d3724e92a0fc69d666d4692f5c019af6d",
-  "x86_64-unknown-linux-musl-0.15.7":
-    "a70f33ff907cbd05cd3fdcdd3c5dde828123295aaf46b4011e82dce8f806c3cc",
-  "aarch64-apple-darwin-0.15.6":
-    "e90a351ddc2e5e411168b5cbfc7d694231e793948d0a29aa82618ea6f17225f1",
-  "aarch64-pc-windows-msvc-0.15.6":
-    "5e5e28e52fd3246f89d5b46e168b485cb9cdd76cda95b5a46a5d130d7bd85afa",
-  "aarch64-unknown-linux-gnu-0.15.6":
-    "b9183a35a2693941e1089a5a80fd45724df886c135beebb0f8f1e103704af25e",
-  "aarch64-unknown-linux-musl-0.15.6":
-    "750164384c78e208b5e5bf764916f23270844c6a6ea0057dec1f7951bce02fca",
-  "arm-unknown-linux-musleabihf-0.15.6":
-    "8553be3deedfdcecda058bb1e12e06d71ad56a35cb5b1e5a935a71c80f3f2001",
-  "armv7-unknown-linux-gnueabihf-0.15.6":
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-  "armv7-unknown-linux-musleabihf-0.15.6":
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-  "riscv64gc-unknown-linux-gnu-0.15.6":
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-  "x86_64-apple-darwin-0.15.6":
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-  "x86_64-pc-windows-msvc-0.15.6":
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-  "aarch64-apple-darwin-0.15.5":
-    "f39400f9504c940fa4eb46b02e2d4889a9f86b81ce4c57bda02ea3568894d094",
-  "aarch64-pc-windows-msvc-0.15.5":
-    "c2d4ddc435005768f2cc2c87651474d07c20b9f18150a772b56485966840f7cf",
-  "aarch64-unknown-linux-gnu-0.15.5":
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-  "aarch64-unknown-linux-musl-0.15.5":
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-  "armv7-unknown-linux-gnueabihf-0.15.5":
-    "cb8cbe66b2a5face3bc5a94e565ffba313e428f75df4cd62ef84beb164dc83e4",
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-    "242bf290de417e8c9e8ca5c844be933e611cca3f3b301dc8537f72d051ceb3b9",
-  "x86_64-apple-darwin-0.14.5":
-    "d7285770c5098be00c9b4ff099d6ef7f8b2a54b4019c9507b628ee9f0d404c06",
-  "x86_64-pc-windows-msvc-0.14.5":
-    "9b998bf1a790a18b829fab3368ee7404a8f1f2cec2acb650aa1fd1b74962d023",
-  "x86_64-unknown-linux-gnu-0.14.5":
-    "5bc52346f81098e42beecd622f49c4336a5361eb38b7b51d466b0a9647e99e33",
-  "x86_64-unknown-linux-musl-0.14.5":
-    "69ddecf374a4f53eeda238399614ed6f92c5e75fe04436c604fb78435d5658eb",
-  "aarch64-apple-darwin-0.14.4":
-    "ab26cd2b03d5b2ec42dc7ac1886a29055eb2003aa2db14b26c7091c7cd6b4c68",
-  "aarch64-pc-windows-msvc-0.14.4":
-    "270773b34836e5b546d3ec9fe3b6cab4057881eff69828566f230baffff7634a",
-  "aarch64-unknown-linux-gnu-0.14.4":
-    "8bf03ef4bb8ce42321ea0e59a505739b29b18d85b1d4f220736e242248b7da31",
-  "aarch64-unknown-linux-musl-0.14.4":
-    "c77b72e565e9044eddce02e71f9214edea045047b786bb2bc973a6d8f94fb13e",
-  "arm-unknown-linux-musleabihf-0.14.4":
-    "5211b338bf1c48faa2fc045bd68c56b50e1e3d898f2255c39a3a7040033738f1",
-  "armv7-unknown-linux-gnueabihf-0.14.4":
-    "62e05c9a4571ea1aca80db377b4a11dd2325100db9ca0d7db16b61b87cb3d0b5",
-  "armv7-unknown-linux-musleabihf-0.14.4":
-    "b20725ed5be925b58120172b2395bdbea9857bc562c3a7a7e47a4d9281bafb7f",
-  "i686-pc-windows-msvc-0.14.4":
-    "bbe517649a5c6134b424b3065db7b5dcfaed72c2f5e848ec87cb2b33be7a133f",
-  "i686-unknown-linux-gnu-0.14.4":
-    "a68939e63f7b384351172ff1535d37e73ecf81a94b0c89f369f3f41aabcccede",
-  "i686-unknown-linux-musl-0.14.4":
-    "ff05a300bbb06211ec9cc43daec05da197ed116b5f6a5ea9ac8fc80fc00df39f",
-  "powerpc64-unknown-linux-gnu-0.14.4":
-    "394eae2ad3485eb3530db3e9b51feacbf0b03e63ec8e93f2134a137c59da4abe",
-  "powerpc64le-unknown-linux-gnu-0.14.4":
-    "b12b41763fa3c1068d2378669fa2740b11e0dd3dea3f667f732241a25fb06c9f",
-  "riscv64gc-unknown-linux-gnu-0.14.4":
-    "c6385274d7a3b1d0c7ed05b36101faf2c7206e8adc0c7c107d32fc8e5d57628c",
-  "s390x-unknown-linux-gnu-0.14.4":
-    "dcbf1dce38298dccfea7edffb1ea237ab2ccf2ea5dbae6d5b2dc4fe88177b094",
-  "x86_64-apple-darwin-0.14.4":
-    "041b9429400bfc3aca8402940fe6fa0ec33f9d79e8f50fbfb3063f70b4327fa3",
-  "x86_64-pc-windows-msvc-0.14.4":
-    "5541af69b1f342d843f8fca6218bd0d5d9064e987d14405a2abf60ce94c615a4",
-  "x86_64-unknown-linux-gnu-0.14.4":
-    "c9120e68e358eb0f850123537afe18945f9095e9f17967944fd23585fc88bb0b",
-  "x86_64-unknown-linux-musl-0.14.4":
-    "dcb5b42fd364c9e837b6800886564a891d023c8b87c967224351399cb1cda154",
-  "aarch64-apple-darwin-0.14.3":
-    "fc4c2c153656bc4082fb6c928fbd6867d5eb932240b663b329365f3f1821fc82",
-  "aarch64-pc-windows-msvc-0.14.3":
-    "b7ed5d2006b1c43559e78d90e65f2fa1982bec3976de74978485660fcdd67548",
-  "aarch64-unknown-linux-gnu-0.14.3":
-    "daa9edc586b669079fbe204bf5f5b48ee05c5dac862d2daf5ad72d3c2777834b",
-  "aarch64-unknown-linux-musl-0.14.3":
-    "571058fe7e3381ad54bec8b3d9d127013e332d822b35978b503722147aa3b9cf",
-  "arm-unknown-linux-musleabihf-0.14.3":
-    "f5e9b79cea63116ad582ffb514a61a506978762b67859b9e9e9cdee4b2ad065d",
-  "armv7-unknown-linux-gnueabihf-0.14.3":
-    "07094c107682c58260d652708a0c8b2f3d38bdffd5e7ec9a81785e665154a137",
-  "armv7-unknown-linux-musleabihf-0.14.3":
-    "edfd2491e25383de77f60aafcbd5451350b2cb6f9af38b6cf5a2e725193333cd",
-  "i686-pc-windows-msvc-0.14.3":
-    "f46525c0684a220c063c1c1f8d516c8cccab8ec9f62417e17e02cd4c1a138417",
-  "i686-unknown-linux-gnu-0.14.3":
-    "c7180e275ccaa97eae1528a15a08828cd9aaa15b57d3828f8722b0edd347046d",
-  "i686-unknown-linux-musl-0.14.3":
-    "60d1db56b1b4064b00f349b5fc8e11f2e63b8fa3bce4679f9c9da91356d6c3f6",
-  "powerpc64-unknown-linux-gnu-0.14.3":
-    "b9bf7191d023fcdd938e51fa53b63226897a23896f82057fe32fde9df10b1649",
-  "powerpc64le-unknown-linux-gnu-0.14.3":
-    "c1f5e497fe183dc1e0b6bb984573a0703182b68ac07587add1cbc370957ebd20",
-  "riscv64gc-unknown-linux-gnu-0.14.3":
-    "909e92469524b80520af17537df55f245d6ba018928bc486fd8418e9983b539f",
-  "s390x-unknown-linux-gnu-0.14.3":
-    "d8c56807e9827f391e1266bd19e0235fa470a0620cf166975365862e5bf9e908",
-  "x86_64-apple-darwin-0.14.3":
-    "076e88da3dcb38d3fef61daccc759bf29b605a490143ae707c0e067ebf8d7050",
-  "x86_64-pc-windows-msvc-0.14.3":
-    "ccc1bd362cca52a7fb7f9ee2cec7317c139ccb86e0964a5c1d4b14efbf2118ff",
-  "x86_64-unknown-linux-gnu-0.14.3":
-    "cb8a88912aa91a1864ad662c24df4514699ddfcbc52e684218aaf5ac57d7de0d",
-  "x86_64-unknown-linux-musl-0.14.3":
-    "58fd05427420df7b7b51bc6bbd5a430f38d2dfd63c74660f27625a4632f12532",
-  "aarch64-apple-darwin-0.14.2":
-    "33225f67ce61188fce91b801ab50a4028f8b0d66abbf81810841dd7d42371e38",
-  "aarch64-pc-windows-msvc-0.14.2":
-    "4fb68c66c719b337c2364aeb8210326a28b8ae046ef9a9c90407d473264515dd",
-  "aarch64-unknown-linux-gnu-0.14.2":
-    "a907d6a13120679b7194eb61beace09103f04b90e32cf7c2ac11979e6f618e35",
-  "aarch64-unknown-linux-musl-0.14.2":
-    "e323e9716661c9e18152aefe62e3fada497c10c9b3ef3095359c31b4df4f866a",
-  "arm-unknown-linux-musleabihf-0.14.2":
-    "2b3ccfd36718b29e0f5d1dcc10540b61205c72ee1c6a43331e6a97f2a17f12d0",
-  "armv7-unknown-linux-gnueabihf-0.14.2":
-    "5539a66c2723670dbf54eadf615e106aa038decbc701b9d47f7ed535ac677e1d",
-  "armv7-unknown-linux-musleabihf-0.14.2":
-    "c59be0daa3144ba317c88dd6cb3af68cff0f8dfbf2f495bebfb5b630d6f4c7cd",
-  "i686-pc-windows-msvc-0.14.2":
-    "125e2010b28ccb01ed2a4596e3db8d8dc0a46ccba2ee08e6038cc56ebbfbcb96",
-  "i686-unknown-linux-gnu-0.14.2":
-    "e2accde14cb371ca1b60935028c72138390f552cd77fc8c52a75f28c68eaa963",
-  "i686-unknown-linux-musl-0.14.2":
-    "d11f67f949e909412c523edcc1944c16dfecde49ed3709bca40631e371300da1",
-  "powerpc64-unknown-linux-gnu-0.14.2":
-    "99cc0f2cf83a7f82bb4e0db9ff1de8bcc5bf966054c0c82d25e189ee4565b0d5",
-  "powerpc64le-unknown-linux-gnu-0.14.2":
-    "81ac087a458bcaac7905c9afe84ef58061394a71264e8dd115889be0bc96fc6e",
-  "riscv64gc-unknown-linux-gnu-0.14.2":
-    "7917eb80fbae72040ad199f634361ce6001bc6225c165caa09c6d983c90692b0",
-  "s390x-unknown-linux-gnu-0.14.2":
-    "e24bfabe70535ffeedbba74ff6ecdf6c6bb09c5d9bf2c6c902e5540b569d6236",
-  "x86_64-apple-darwin-0.14.2":
-    "f119057618599e8983bdeed64e949af54f67d7a62464d11de0ba1237619a9990",
-  "x86_64-pc-windows-msvc-0.14.2":
-    "0a1160f45263cc847acd4b42392bf0484c9420806eeb7f776e1384fb557aeade",
-  "x86_64-unknown-linux-gnu-0.14.2":
-    "b4457ef6c130165655e0fb91081dbef09011ec41955115aaa22c94f7655c97c2",
-  "x86_64-unknown-linux-musl-0.14.2":
-    "e5e177a829b370376abb6a1dc9edc8c59ac519ebe64b1366b65e2952fa524a8d",
-  "aarch64-apple-darwin-0.14.1":
-    "ee12f441b4c14eff354784a52f8a16767573bd6285627cad2ade04551e8a678b",
-  "aarch64-pc-windows-msvc-0.14.1":
-    "3bd0b34cc645faaf88b4010a639d9b0ec6c313359774ad7e48daaef4ddb3c4f7",
-  "aarch64-unknown-linux-gnu-0.14.1":
-    "8203922d5f55a04089005184942f2f449f9736a06e96854230ba5991bb91ee9a",
-  "aarch64-unknown-linux-musl-0.14.1":
-    "ddfc9df5c879a1984fef4e29838e46fa8e979adc3fdab5967f096363427e8790",
-  "arm-unknown-linux-musleabihf-0.14.1":
-    "a29be1acc5f29ee8cb5a5add223a7ed07e8ffd0f9a78219e115e57041c63b416",
-  "armv7-unknown-linux-gnueabihf-0.14.1":
-    "dd8ead33fc3158618a29f02d76fd7ff4f6914272b5d94a65e348b8b8c0753d78",
-  "armv7-unknown-linux-musleabihf-0.14.1":
-    "16d79262e9fc98ceef167577a391d54d9c8a2d8fe90de22266f456bf4644f7e5",
-  "i686-pc-windows-msvc-0.14.1":
-    "ffe525c5e641f3bef31d9bc6e1e3585f9f796dda1254c15e5a18ef51a91917c3",
-  "i686-unknown-linux-gnu-0.14.1":
-    "37f10652706cdf1f107c620970bf37591b0be44111614101509f56e596f866b3",
-  "i686-unknown-linux-musl-0.14.1":
-    "e39c79642ec4e3d95d31a0ae77fb648946f2a639cb3cbf876c0f5e1e2571e94e",
-  "powerpc64-unknown-linux-gnu-0.14.1":
-    "1ec026aef1c670715d5c197bbf18b4edd81e140fbecee51ed169e05b042c6045",
-  "powerpc64le-unknown-linux-gnu-0.14.1":
-    "193d66f5ed6e21a46b244118c983ab91628ed65ae542f7345f8e37a8c555bff0",
-  "riscv64gc-unknown-linux-gnu-0.14.1":
-    "4cbea006f37927abac8c32575212f982b86aaa4f73a32983e4a8934320ef7e9c",
-  "s390x-unknown-linux-gnu-0.14.1":
-    "5cd7f6e6e2de3b03ada4821de444e92bb87ce5c57981c1d8ba8128dc62f02668",
-  "x86_64-apple-darwin-0.14.1":
-    "7fda94bd7fc6114eecb67b858a8c93f1b4aa658aa1f5e887b37a2b95bf6f26a7",
-  "x86_64-pc-windows-msvc-0.14.1":
-    "ab0bc1876a16e1afa4177fe9f58d568fbe85921efb253395bd03d01e1e2c467d",
-  "x86_64-unknown-linux-gnu-0.14.1":
-    "8798f5892db7dc70a3250f89d3ef613f87f1fa5fdb4242921ee31427daf78e87",
-  "x86_64-unknown-linux-musl-0.14.1":
-    "ec5b8eb318ff9e2412988420eb78f965aca02e9f67df34eeea7609e0c5a0fb7f",
   "aarch64-apple-darwin-0.14.0":
     "0b7c193d5c45eda02226720eb75239fabeca995d5a0eb3830fd2973caa3030ec",
   "aarch64-pc-windows-msvc-0.14.0":

src/download/checksum/update-known-checksums.ts

@@ -1,5 +1,11 @@
 import { promises as fs } from "node:fs";
 import * as tc from "@actions/tool-cache";
+import {
+  isRetryableError,
+  NonRetryableError,
+  RetryableError,
+  withRetry,
+} from "../../utils/retry";
 import { KNOWN_CHECKSUMS } from "./known-checksums";
 export async function updateChecksums(
   filePath: string,
@@ -60,6 +66,27 @@ async function getOrDownloadChecksum(
 }
 
 async function downloadAssetContent(downloadUrl: string): Promise<string> {
+  return await withRetry(
+    async () => {
+      try {
         const downloadPath = await tc.downloadTool(downloadUrl);
         return await fs.readFile(downloadPath, "utf8");
+      } catch (error) {
+        const err = error as Error;
+        if (isRetryableError(err)) {
+          throw new RetryableError(
+            `Failed to download checksum file: ${err.message}`,
+            err,
+          );
+        } else {
+          throw new NonRetryableError(
+            `Failed to download checksum file: ${err.message}`,
+            err,
+          );
+        }
+      }
+    },
+    { maxRetries: 3, timeoutMs: 30000 },
+    "download checksum file",
+  );
 }

src/download/download-version.ts

@@ -2,16 +2,22 @@ import { promises as fs } from "node:fs";
 import * as path from "node:path";
 import * as core from "@actions/core";
 import * as tc from "@actions/tool-cache";
+import { Octokit } from "@octokit/core";
+import { paginateRest } from "@octokit/plugin-paginate-rest";
+import { restEndpointMethods } from "@octokit/plugin-rest-endpoint-methods";
+import * as pep440 from "@renovatebot/pep440";
 import * as semver from "semver";
-import {
+import { OWNER, REPO, TOOL_CACHE_NAME } from "../utils/constants";
-  ASTRAL_MIRROR_PREFIX,
-  GITHUB_RELEASES_PREFIX,
-  TOOL_CACHE_NAME,
-  VERSIONS_MANIFEST_URL,
-} from "../utils/constants";
 import type { Architecture, Platform } from "../utils/platforms";
+import {
+  isRetryableError,
+  NonRetryableError,
+  RetryableError,
+  withRetry,
+} from "../utils/retry";
 import { validateChecksum } from "./checksum/checksum";
-import { getArtifact } from "./manifest";
+
+const PaginatingOctokit = Octokit.plugin(paginateRest, restEndpointMethods);
 
 export function tryGetFromToolCache(
   arch: Architecture,
@@ -32,46 +38,49 @@ export async function downloadVersion(
   platform: Platform,
   arch: Architecture,
   version: string,
-  checksum: string | undefined,
+  checkSum: string | undefined,
   githubToken: string,
-  manifestUrl?: string,
 ): Promise<{ version: string; cachedToolDir: string }> {
-  const artifact = await getArtifact(version, arch, platform, manifestUrl);
+  const artifact = `ruff-${arch}-${platform}`;
+  let extension = ".tar.gz";
+  if (platform === "pc-windows-msvc") {
+    extension = ".zip";
+  }
+  const downloadUrl = constructDownloadUrl(version, platform, arch);
+  core.debug(`Downloading ruff from "${downloadUrl}" ...`);
 
-  if (!artifact) {
+  const downloadPath = await withRetry(
-    throw new Error(
+    async () => {
-      getMissingArtifactMessage(version, arch, platform, manifestUrl),
+      try {
+        return await tc.downloadTool(downloadUrl, undefined, githubToken);
+      } catch (error) {
+        const err = error as Error;
+        if (isRetryableError(err)) {
+          throw new RetryableError(
+            `Failed to download ruff binary: ${err.message}`,
+            err,
+          );
+        } else {
+          throw new NonRetryableError(
+            `Failed to download ruff binary: ${err.message}`,
+            err,
           );
         }
-
+      }
-  // For the default astral-sh/versions source, checksum validation relies on
+    },
-  // user input or the built-in KNOWN_CHECKSUMS table, not manifest sha256 values.
+    { maxRetries: 3, timeoutMs: 60000 }, // 60 second timeout for downloads
-  const resolvedChecksum =
+    "download ruff binary",
-    manifestUrl === undefined
-      ? checksum
-      : resolveChecksum(checksum, artifact.checksum);
-
-  const downloadPath = await downloadArtifact(
-    artifact.downloadUrl,
-    platform,
-    arch,
-    version,
-    getDownloadToken(artifact.downloadUrl, githubToken),
-  );
-  await validateChecksum(
-    resolvedChecksum,
-    downloadPath,
-    arch,
-    platform,
-    version,
   );
 
+  core.debug(`Downloaded ruff to "${downloadPath}"`);
+  await validateChecksum(checkSum, downloadPath, arch, platform, version);
+
   const extractedDir = await extractDownloadedArtifact(
     version,
     downloadPath,
-    getExtension(platform),
+    extension,
     platform,
-    `ruff-${arch}-${platform}`,
+    artifact,
   );
 
   const cachedToolDir = await tc.cacheDir(
@@ -80,60 +89,25 @@ export async function downloadVersion(
     version,
     arch,
   );
-  return { cachedToolDir, version };
+  return { cachedToolDir, version: version };
 }
 
-export function rewriteToMirror(url: string): string | undefined {
+function constructDownloadUrl(
-  if (!url.startsWith(GITHUB_RELEASES_PREFIX)) {
+  version: string,
-    return undefined;
-  }
-
-  return ASTRAL_MIRROR_PREFIX + url.slice(GITHUB_RELEASES_PREFIX.length);
-}
-
-async function downloadArtifact(
-  downloadUrl: string,
   platform: Platform,
   arch: Architecture,
-  version: string,
+): string {
-  githubToken: string | undefined,
+  const artifactVersionSuffix =
-): Promise<string> {
+    semver.lte(version, "v0.4.10") && semver.gte(version, "v0.1.8")
-  const mirrorUrl = rewriteToMirror(downloadUrl);
+      ? `-${version}`
-  const resolvedDownloadUrl = mirrorUrl ?? downloadUrl;
+      : "";
-
+  const artifact = `ruff${artifactVersionSuffix}-${arch}-${platform}`;
-  try {
+  let extension = ".tar.gz";
-    return await downloadFile(
+  if (platform === "pc-windows-msvc") {
-      resolvedDownloadUrl,
+    extension = ".zip";
-      mirrorUrl !== undefined ? undefined : githubToken,
-    );
-  } catch (err) {
-    if (mirrorUrl === undefined) {
-      throw err;
   }
-
+  const versionPrefix = semver.lte(version, "v0.4.10") ? "v" : "";
-    core.warning(
+  return `https://github.com/${OWNER}/${REPO}/releases/download/${versionPrefix}${version}/${artifact}${extension}`;
-      `Failed to download from mirror, falling back to GitHub Releases: ${(err as Error).message}`,
-    );
-
-    return await downloadFile(
-      constructDownloadUrl(version, platform, arch),
-      githubToken,
-    );
-  }
-}
-
-async function downloadFile(
-  downloadUrl: string,
-  githubToken: string | undefined,
-): Promise<string> {
-  core.info(`Downloading ruff from "${downloadUrl}" ...`);
-  const downloadPath = await tc.downloadTool(
-    downloadUrl,
-    undefined,
-    githubToken,
-  );
-  core.debug(`Downloaded ruff to "${downloadPath}"`);
-  return downloadPath;
 }
 
 async function extractDownloadedArtifact(
@@ -148,7 +122,7 @@ async function extractDownloadedArtifact(
     const fullPathWithExtension = `${downloadPath}${extension}`;
     await fs.copyFile(downloadPath, fullPathWithExtension);
     ruffDir = await tc.extractZip(fullPathWithExtension);
-    // On windows extracting the zip does not create an intermediate directory.
+    // On windows extracting the zip does not create an intermediate directory
   } else {
     ruffDir = await tc.extractTar(downloadPath);
     if (semver.gte(version, "v0.5.0")) {
@@ -161,57 +135,196 @@ async function extractDownloadedArtifact(
   return ruffDir;
 }
 
-function getMissingArtifactMessage(
+export async function resolveVersion(
-  version: string,
+  versionInput: string,
-  arch: Architecture,
+  githubToken: string,
-  platform: Platform,
+): Promise<string> {
-  manifestUrl?: string,
+  core.debug(`Resolving ${versionInput}...`);
-): string {
+  const version =
-  if (manifestUrl === undefined) {
+    versionInput === "latest"
-    return `Could not find artifact for version ${version}, arch ${arch}, platform ${platform} in ${VERSIONS_MANIFEST_URL} .`;
+      ? await getLatestVersion(githubToken)
+      : versionInput;
+  if (tc.isExplicitVersion(version)) {
+    core.debug(`Version ${version} is an explicit version.`);
+    return version;
+  }
+  const availableVersions = await getAvailableVersions(githubToken);
+  const resolvedVersion = maxSatisfying(availableVersions, version);
+  if (resolvedVersion === undefined) {
+    throw new Error(`No version found for ${version}`);
+  }
+  core.debug(`Resolved version: ${resolvedVersion}`);
+  return resolvedVersion;
+}
+
+async function getAvailableVersions(githubToken: string): Promise<string[]> {
+  return await withRetry(
+    async () => {
+      try {
+        const octokit = new PaginatingOctokit({
+          auth: githubToken,
+        });
+        return await getReleaseTagNames(octokit);
+      } catch (err) {
+        const error = err as Error;
+        if (error.message.includes("Bad credentials")) {
+          core.info(
+            "No (valid) GitHub token provided. Falling back to anonymous. Requests might be rate limited.",
+          );
+          const octokit = new PaginatingOctokit();
+          return await getReleaseTagNames(octokit);
         }
 
-  return `manifest-file does not contain version ${version}, arch ${arch}, platform ${platform}.`;
+        if (isRetryableError(error)) {
+          throw new RetryableError(
+            `Failed to get available versions: ${error.message}`,
+            error,
+          );
+        } else {
+          throw new NonRetryableError(
+            `Failed to get available versions: ${error.message}`,
+            error,
+          );
+        }
+      }
+    },
+    { maxRetries: 3, timeoutMs: 30000 }, // 30 second timeout for API calls
+    "get available versions",
+  );
 }
 
-function resolveChecksum(
+async function getReleaseTagNames(
-  checksum: string | undefined,
+  octokit: InstanceType<typeof PaginatingOctokit>,
-  manifestChecksum: string,
+): Promise<string[]> {
-): string {
+  const response = await withRetry(
-  return checksum !== undefined && checksum !== ""
+    async () => {
-    ? checksum
+      try {
-    : manifestChecksum;
+        return await octokit.paginate(octokit.rest.repos.listReleases, {
+          owner: OWNER,
+          repo: REPO,
+        });
+      } catch (error) {
+        const err = error as Error;
+        if (isRetryableError(err)) {
+          throw new RetryableError(
+            `Failed to list GitHub releases: ${err.message}`,
+            err,
+          );
+        } else {
+          throw new NonRetryableError(
+            `Failed to list GitHub releases: ${err.message}`,
+            err,
+          );
+        }
+      }
+    },
+    { maxRetries: 3, timeoutMs: 30000 },
+    "list GitHub releases",
+  );
+
+  const releaseTagNames = response.map((release) => release.tag_name);
+  if (releaseTagNames.length === 0) {
+    throw Error(
+      "Github API request failed while getting releases. Check the GitHub status page for outages. Try again later.",
+    );
+  }
+  return response.map((release) => release.tag_name);
 }
 
-function getDownloadToken(
+async function getLatestVersion(githubToken: string) {
-  downloadUrl: string,
+  return await withRetry(
-  githubToken: string,
+    async () => {
-): string | undefined {
+      const octokit = new PaginatingOctokit({
-  return downloadUrl.startsWith(GITHUB_RELEASES_PREFIX)
+        auth: githubToken,
-    ? githubToken
+      });
-    : undefined;
+
+      let latestRelease: { tag_name: string } | undefined;
+      try {
+        latestRelease = await getLatestRelease(octokit);
+      } catch (err) {
+        const error = err as Error;
+        if (error.message.includes("Bad credentials")) {
+          core.info(
+            "No (valid) GitHub token provided. Falling back to anonymous. Requests might be rate limited.",
+          );
+          const octokit = new PaginatingOctokit();
+          latestRelease = await getLatestRelease(octokit);
+        } else {
+          core.error(
+            "Github API request failed while getting latest release. Check the GitHub status page for outages. Try again later.",
+          );
+
+          if (isRetryableError(error)) {
+            throw new RetryableError(
+              `Failed to get latest version: ${error.message}`,
+              error,
+            );
+          } else {
+            throw new NonRetryableError(
+              `Failed to get latest version: ${error.message}`,
+              error,
+            );
+          }
+        }
+      }
+
+      if (!latestRelease) {
+        throw new Error("Could not determine latest release.");
+      }
+      return latestRelease.tag_name;
+    },
+    { maxRetries: 3, timeoutMs: 30000 },
+    "get latest version",
+  );
 }
 
-function constructDownloadUrl(
+async function getLatestRelease(
+  octokit: InstanceType<typeof PaginatingOctokit>,
+) {
+  return await withRetry(
+    async () => {
+      try {
+        const { data: latestRelease } =
+          await octokit.rest.repos.getLatestRelease({
+            owner: OWNER,
+            repo: REPO,
+          });
+        return latestRelease;
+      } catch (error) {
+        const err = error as Error;
+        if (isRetryableError(err)) {
+          throw new RetryableError(
+            `Failed to get latest release: ${err.message}`,
+            err,
+          );
+        } else {
+          throw new NonRetryableError(
+            `Failed to get latest release: ${err.message}`,
+            err,
+          );
+        }
+      }
+    },
+    { maxRetries: 3, timeoutMs: 30000 },
+    "get latest release",
+  );
+}
+
+function maxSatisfying(
+  versions: string[],
   version: string,
-  platform: Platform,
+): string | undefined {
-  arch: Architecture,
+  const maxSemver = tc.evaluateVersions(versions, version);
-): string {
+  if (maxSemver !== "") {
-  const normalizedVersion = stripVersionPrefix(version);
+    core.debug(`Found a version that satisfies the semver range: ${maxSemver}`);
-  const artifactVersionSuffix =
+    return maxSemver;
-    semver.lte(version, "v0.4.10") && semver.gte(version, "v0.1.8")
+  }
-      ? `-${normalizedVersion}`
+  const maxPep440 = pep440.maxSatisfying(versions, version);
-      : "";
+  if (maxPep440 !== null) {
-  const artifact = `ruff${artifactVersionSuffix}-${arch}-${platform}`;
+    core.debug(
-  const versionPrefix = semver.lte(version, "v0.4.10") ? "v" : "";
+      `Found a version that satisfies the pep440 specifier: ${maxPep440}`,
-
+    );
-  return `${GITHUB_RELEASES_PREFIX}${versionPrefix}${normalizedVersion}/${artifact}${getExtension(platform)}`;
+    return maxPep440;
-}
+  }
-
+  return undefined;
-function stripVersionPrefix(version: string): string {
-  return version.startsWith("v") ? version.slice(1) : version;
-}
-
-function getExtension(platform: Platform): string {
-  return platform === "pc-windows-msvc" ? ".zip" : ".tar.gz";
 }

src/download/manifest.ts

@@ -1,243 +0,0 @@
-import * as core from "@actions/core";
-import { VERSIONS_MANIFEST_URL } from "../utils/constants";
-import { fetch } from "../utils/fetch";
-import { selectDefaultVariant } from "./variant-selection";
-
-export interface ManifestArtifact {
-  platform: string;
-  variant?: string;
-  url: string;
-  archive_format: string;
-  sha256: string;
-}
-
-export interface ManifestVersion {
-  version: string;
-  artifacts: ManifestArtifact[];
-}
-
-export interface ArtifactResult {
-  archiveFormat: string;
-  checksum: string;
-  downloadUrl: string;
-}
-
-const cachedManifestData = new Map<string, ManifestVersion[]>();
-
-export async function fetchManifest(
-  manifestUrl: string = VERSIONS_MANIFEST_URL,
-): Promise<ManifestVersion[]> {
-  const cachedVersions = cachedManifestData.get(manifestUrl);
-  if (cachedVersions !== undefined) {
-    core.debug(`Using cached manifest data from ${manifestUrl}`);
-    return cachedVersions;
-  }
-
-  core.info(`Fetching manifest data from ${manifestUrl} ...`);
-  const response = await fetch(manifestUrl, {});
-  if (!response.ok) {
-    throw new Error(
-      `Failed to fetch manifest data: ${response.status} ${response.statusText}`,
-    );
-  }
-
-  const body = await response.text();
-  const versions = parseManifest(body, manifestUrl);
-  cachedManifestData.set(manifestUrl, versions);
-  return versions;
-}
-
-export function parseManifest(
-  data: string,
-  sourceDescription: string,
-): ManifestVersion[] {
-  const trimmed = data.trim();
-  if (trimmed === "") {
-    throw new Error(`Manifest at ${sourceDescription} is empty.`);
-  }
-
-  if (trimmed.startsWith("[")) {
-    throw new Error(
-      `Legacy JSON array manifests are no longer supported in ${sourceDescription}. Use the astral-sh/versions manifest format instead.`,
-    );
-  }
-
-  const versions: ManifestVersion[] = [];
-
-  for (const [index, line] of data.split("\n").entries()) {
-    const record = line.trim();
-    if (record === "") {
-      continue;
-    }
-
-    let parsed: unknown;
-    try {
-      parsed = JSON.parse(record);
-    } catch (error) {
-      throw new Error(
-        `Failed to parse manifest data from ${sourceDescription} at line ${index + 1}: ${(error as Error).message}`,
-      );
-    }
-
-    if (!isManifestVersion(parsed)) {
-      throw new Error(
-        `Invalid manifest record in ${sourceDescription} at line ${index + 1}.`,
-      );
-    }
-
-    versions.push(parsed);
-  }
-
-  if (versions.length === 0) {
-    throw new Error(`No manifest data found in ${sourceDescription}.`);
-  }
-
-  return versions;
-}
-
-export async function getLatestVersion(
-  manifestUrl: string = VERSIONS_MANIFEST_URL,
-): Promise<string> {
-  const latestVersion = (await fetchManifest(manifestUrl))[0]?.version;
-
-  if (latestVersion === undefined) {
-    throw new Error("No versions found in manifest data");
-  }
-
-  core.debug(`Latest version from manifest: ${latestVersion}`);
-  return latestVersion;
-}
-
-export async function getAllVersions(
-  manifestUrl: string = VERSIONS_MANIFEST_URL,
-): Promise<string[]> {
-  core.info(
-    `Getting available versions from ${manifestSource(manifestUrl)} ...`,
-  );
-  const versions = await fetchManifest(manifestUrl);
-  return versions.map((versionData) => versionData.version);
-}
-
-export async function getArtifact(
-  version: string,
-  arch: string,
-  platform: string,
-  manifestUrl: string = VERSIONS_MANIFEST_URL,
-): Promise<ArtifactResult | undefined> {
-  const versions = await fetchManifest(manifestUrl);
-  const versionData = versions.find((candidate) =>
-    matchesManifestVersion(candidate.version, version),
-  );
-  if (!versionData) {
-    core.debug(`Version ${version} not found in manifest ${manifestUrl}`);
-    return undefined;
-  }
-
-  const targetPlatforms = getTargetPlatforms(
-    versionData.version,
-    arch,
-    platform,
-  );
-  const matchingArtifacts = versionData.artifacts.filter((candidate) =>
-    targetPlatforms.includes(candidate.platform),
-  );
-
-  if (matchingArtifacts.length === 0) {
-    core.debug(
-      `Artifact for ${targetPlatforms.join(" or ")} not found in version ${version}. Available platforms: ${versionData.artifacts
-        .map((candidate) => candidate.platform)
-        .join(", ")}`,
-    );
-    return undefined;
-  }
-
-  const artifact = selectDefaultVariant(
-    matchingArtifacts,
-    `Multiple artifacts found for ${targetPlatforms.join(" or ")} in version ${version}`,
-  );
-
-  return {
-    archiveFormat: artifact.archive_format,
-    checksum: artifact.sha256,
-    downloadUrl: artifact.url,
-  };
-}
-
-export function clearManifestCache(manifestUrl?: string): void {
-  if (manifestUrl === undefined) {
-    cachedManifestData.clear();
-    return;
-  }
-
-  cachedManifestData.delete(manifestUrl);
-}
-
-function manifestSource(manifestUrl: string): string {
-  if (manifestUrl === VERSIONS_MANIFEST_URL) {
-    return VERSIONS_MANIFEST_URL;
-  }
-
-  return `manifest-file ${manifestUrl}`;
-}
-
-function matchesManifestVersion(
-  manifestVersion: string,
-  requestedVersion: string,
-): boolean {
-  return (
-    manifestVersion === requestedVersion ||
-    manifestVersion === withVersionPrefix(requestedVersion)
-  );
-}
-
-function getTargetPlatforms(
-  manifestVersion: string,
-  arch: string,
-  platform: string,
-): string[] {
-  const targetPlatform = `${arch}-${platform}`;
-  const versionPrefixedTargetPlatform = `${stripVersionPrefix(manifestVersion)}-${targetPlatform}`;
-
-  return [targetPlatform, versionPrefixedTargetPlatform];
-}
-
-function withVersionPrefix(version: string): string {
-  return version.startsWith("v") ? version : `v${version}`;
-}
-
-function stripVersionPrefix(version: string): string {
-  return version.startsWith("v") ? version.slice(1) : version;
-}
-
-function isManifestVersion(value: unknown): value is ManifestVersion {
-  if (!isRecord(value)) {
-    return false;
-  }
-
-  if (typeof value.version !== "string" || !Array.isArray(value.artifacts)) {
-    return false;
-  }
-
-  return value.artifacts.every(isManifestArtifact);
-}
-
-function isManifestArtifact(value: unknown): value is ManifestArtifact {
-  if (!isRecord(value)) {
-    return false;
-  }
-
-  const variantIsValid =
-    typeof value.variant === "string" || value.variant === undefined;
-
-  return (
-    typeof value.archive_format === "string" &&
-    typeof value.platform === "string" &&
-    typeof value.sha256 === "string" &&
-    typeof value.url === "string" &&
-    variantIsValid
-  );
-}
-
-function isRecord(value: unknown): value is Record<string, unknown> {
-  return typeof value === "object" && value !== null;
-}

src/download/variant-selection.ts

@@ -1,39 +0,0 @@
-interface VariantAwareEntry {
-  variant?: string;
-}
-
-export function selectDefaultVariant<T extends VariantAwareEntry>(
-  entries: T[],
-  duplicateEntryDescription: string,
-): T {
-  const firstEntry = entries[0];
-  if (firstEntry === undefined) {
-    throw new Error("selectDefaultVariant requires at least one candidate.");
-  }
-
-  if (entries.length === 1) {
-    return firstEntry;
-  }
-
-  const defaultEntries = entries.filter((entry) =>
-    isDefaultVariant(entry.variant),
-  );
-  if (defaultEntries.length === 1) {
-    return defaultEntries[0];
-  }
-
-  throw new Error(
-    `${duplicateEntryDescription} with variants ${formatVariants(entries)}. ruff-action currently requires a single default variant for duplicate platform entries.`,
-  );
-}
-
-function isDefaultVariant(variant: string | undefined): boolean {
-  return variant === undefined || variant === "default";
-}
-
-function formatVariants<T extends VariantAwareEntry>(entries: T[]): string {
-  return entries
-    .map((entry) => entry.variant ?? "default")
-    .sort((left, right) => left.localeCompare(right))
-    .join(", ");
-}

src/ruff-action.ts

@@ -1,16 +1,17 @@
+import * as fs from "node:fs";
 import * as path from "node:path";
 import * as core from "@actions/core";
 import * as exec from "@actions/exec";
 import * as semver from "semver";
 import {
   downloadVersion,
+  resolveVersion,
   tryGetFromToolCache,
 } from "./download/download-version";
 import {
   args,
   checkSum,
   githubToken,
-  manifestFile,
   src,
   version,
   versionFile as versionFileInput,
@@ -21,7 +22,7 @@ import {
   getPlatform,
   type Platform,
 } from "./utils/platforms";
-import { resolveRuffVersion } from "./version/resolve";
+import { getRuffVersionFromRequirementsFile } from "./utils/pyproject";
 
 async function run(): Promise<void> {
   const platform = getPlatform();
@@ -61,7 +62,6 @@ async function setupRuff(
   githubToken: string,
 ): Promise<{ ruffDir: string; version: string }> {
   const resolvedVersion = await determineVersion();
-  const manifestUrl = manifestFile || undefined;
   if (semver.lt(resolvedVersion, "v0.0.247")) {
     throw Error(
       "This action does not support ruff versions older than 0.0.247",
@@ -82,7 +82,6 @@ async function setupRuff(
     resolvedVersion,
     checkSum,
     githubToken,
-    manifestUrl,
   );
 
   return {
@@ -92,13 +91,35 @@ async function setupRuff(
 }
 
 async function determineVersion(): Promise<string> {
-  return await resolveRuffVersion({
+  if (versionFileInput !== "" && version !== "") {
-    manifestFile: manifestFile || undefined,
+    throw Error("It is not allowed to specify both version and version-file");
-    sourceDirectory: src,
+  }
-    version,
+  if (version !== "") {
-    versionFile: versionFileInput,
+    return await resolveVersion(version, githubToken);
-    workspaceRoot: process.env.GITHUB_WORKSPACE || ".",
+  }
-  });
+  if (versionFileInput !== "") {
+    const versionFromPyproject =
+      getRuffVersionFromRequirementsFile(versionFileInput);
+    if (versionFromPyproject === undefined) {
+      core.warning(
+        `Could not parse version from ${versionFileInput}. Using latest version.`,
+      );
+    }
+    return await resolveVersion(versionFromPyproject || "latest", githubToken);
+  }
+  const pyProjectPath = path.join(src, "pyproject.toml");
+  if (!fs.existsSync(pyProjectPath)) {
+    core.info(`Could not find ${pyProjectPath}. Using latest version.`);
+    return await resolveVersion("latest", githubToken);
+  }
+  const versionFromPyproject =
+    getRuffVersionFromRequirementsFile(pyProjectPath);
+  if (versionFromPyproject === undefined) {
+    core.info(
+      `Could not parse version from ${pyProjectPath}. Using latest version.`,
+    );
+  }
+  return await resolveVersion(versionFromPyproject || "latest", githubToken);
 }
 
 function addRuffToPath(cachedPath: string): void {
@@ -112,17 +133,16 @@ function setOutputFormat() {
 }
 
 function addMatchers(): void {
-  const actionRoot = getActionRoot();
+  const matchersPath = path.join(
-  const matchersPath = path.join(actionRoot, ".github", "matchers");
+    __dirname,
+    `..${path.sep}..`,
+    ".github",
+    "matchers",
+  );
   core.info(`##[add-matcher]${path.join(matchersPath, "check.json")}`);
   core.info(`##[add-matcher]${path.join(matchersPath, "format.json")}`);
 }
 
-function getActionRoot(): string {
-  const entrypoint = process.argv[1] ?? process.cwd();
-  return path.resolve(path.dirname(entrypoint), "..", "..");
-}
-
 async function runRuff(
   ruffExecutablePath: string,
   args: string[],

src/update-known-checksums.ts

@@ -5,19 +5,46 @@ import { restEndpointMethods } from "@octokit/plugin-rest-endpoint-methods";
 import * as semver from "semver";
 import { updateChecksums } from "./download/checksum/update-known-checksums";
 import { OWNER, REPO } from "./utils/constants";
+import {
+  isRetryableError,
+  NonRetryableError,
+  RetryableError,
+  withRetry,
+} from "./utils/retry";
 
 const PaginatingOctokit = Octokit.plugin(paginateRest, restEndpointMethods);
 
 async function run(): Promise<void> {
   const checksumFilePath = process.argv.slice(2)[0];
-  const githubToken = process.argv.slice(2)[1];
+  const github_token = process.argv.slice(2)[1];
 
-  const octokit = new PaginatingOctokit({ auth: githubToken });
+  const response = await withRetry(
-
+    async () => {
-  const response = await octokit.paginate(octokit.rest.repos.listReleases, {
+      try {
+        const octokit = new PaginatingOctokit({ auth: github_token });
+        return await octokit.paginate(octokit.rest.repos.listReleases, {
           owner: OWNER,
           repo: REPO,
         });
+      } catch (error) {
+        const err = error as Error;
+        if (isRetryableError(err)) {
+          throw new RetryableError(
+            `Failed to list releases for checksum update: ${err.message}`,
+            err,
+          );
+        } else {
+          throw new NonRetryableError(
+            `Failed to list releases for checksum update: ${err.message}`,
+            err,
+          );
+        }
+      }
+    },
+    { maxRetries: 3, timeoutMs: 60000 },
+    "list releases for checksum update",
+  );
+
   const downloadUrls: string[] = response.flatMap((release) =>
     release.assets
       .filter((asset) => asset.name.endsWith(".sha256"))

src/utils/constants.ts

@@ -1,9 +1,3 @@
 export const REPO = "ruff";
 export const OWNER = "astral-sh";
 export const TOOL_CACHE_NAME = "ruff";
-export const VERSIONS_MANIFEST_URL =
-  "https://raw.githubusercontent.com/astral-sh/versions/main/v1/ruff.ndjson";
-export const GITHUB_RELEASES_PREFIX =
-  "https://github.com/astral-sh/ruff/releases/download/";
-export const ASTRAL_MIRROR_PREFIX =
-  "https://releases.astral.sh/github/ruff/releases/download/";

src/utils/fetch.ts

@@ -1,21 +0,0 @@
-import { ProxyAgent, type RequestInit, fetch as undiciFetch } from "undici";
-
-export function getProxyAgent() {
-  const httpProxy = process.env.HTTP_PROXY || process.env.http_proxy;
-  if (httpProxy) {
-    return new ProxyAgent(httpProxy);
-  }
-
-  const httpsProxy = process.env.HTTPS_PROXY || process.env.https_proxy;
-  if (httpsProxy) {
-    return new ProxyAgent(httpsProxy);
-  }
-
-  return undefined;
-}
-
-export const fetch = async (url: string, opts: RequestInit) =>
-  await undiciFetch(url, {
-    dispatcher: getProxyAgent(),
-    ...opts,
-  });

src/utils/inputs.ts

@@ -6,4 +6,3 @@ export const githubToken = core.getInput("github-token");
 export const args = core.getInput("args");
 export const src = core.getInput("src");
 export const versionFile = core.getInput("version-file");
-export const manifestFile = core.getInput("manifest-file");

src/utils/pyproject-finder.ts

@@ -1,58 +0,0 @@
-import * as fs from "node:fs";
-import * as path from "node:path";
-import * as core from "@actions/core";
-
-/**
- * Search for a pyproject.toml file starting from the given directory
- * and traversing upwards through parent directories until reaching
- * the GitHub workspace root.
- *
- * @param startDir The directory to start the search from (e.g., the src input)
- * @param workspaceRoot The GitHub workspace directory (GITHUB_WORKSPACE)
- * @returns The path to the found pyproject.toml, or undefined if not found
- */
-export function findPyprojectToml(
-  startDir: string,
-  workspaceRoot: string,
-): string | undefined {
-  let currentDir = path.resolve(startDir);
-  const resolvedWorkspaceRoot = path.resolve(workspaceRoot);
-
-  while (true) {
-    const pyprojectPath = path.join(currentDir, "pyproject.toml");
-    core.debug(`Checking for ${pyprojectPath}`);
-
-    if (fs.existsSync(pyprojectPath)) {
-      core.info(`Found pyproject.toml at ${pyprojectPath}`);
-      return pyprojectPath;
-    }
-    if (currentDir === resolvedWorkspaceRoot) {
-      return undefined;
-    }
-
-    const parentDir = path.dirname(currentDir);
-    if (
-      parentDir === currentDir ||
-      !isPathWithinWorkspace(parentDir, resolvedWorkspaceRoot)
-    ) {
-      return undefined;
-    }
-
-    currentDir = parentDir;
-  }
-}
-
-/**
- * Check if a given path is within or equal to the workspace root.
- *
- * @param checkPath The path to check
- * @param workspaceRoot The workspace root directory
- * @returns true if within or equal to workspace, false if outside, undefined if can't determine
- */
-function isPathWithinWorkspace(
-  checkPath: string,
-  workspaceRoot: string,
-): boolean {
-  const relativePath = path.relative(workspaceRoot, checkPath);
-  return !relativePath.startsWith("..") && !path.isAbsolute(relativePath);
-}

src/utils/pyproject.ts

@@ -0,0 +1,95 @@
+import * as fs from "node:fs";
+import * as core from "@actions/core";
+import * as toml from "smol-toml";
+
+function getRuffVersionFromAllDependencies(
+  allDependencies: string[],
+): string | undefined {
+  const ruffVersionDefinition = allDependencies.find((dep: string) =>
+    dep.startsWith("ruff"),
+  );
+
+  if (ruffVersionDefinition) {
+    const ruffVersion = ruffVersionDefinition
+      .match(/^ruff([^A-Z0-9._-]+.*)$/)?.[1]
+      .trim();
+    if (ruffVersion?.startsWith("==")) {
+      return ruffVersion.slice(2);
+    }
+    core.info(`Found ruff version in pyproject.toml: ${ruffVersion}`);
+    return ruffVersion;
+  }
+
+  return undefined;
+}
+
+interface Pyproject {
+  project?: {
+    dependencies?: string[];
+    "optional-dependencies"?: Record<string, string[]>;
+  };
+  "dependency-groups"?: Record<string, Array<string | object>>;
+  tool?: {
+    poetry?: {
+      dependencies?: Record<string, string | object>;
+      group?: Record<string, { dependencies: Record<string, string | object> }>;
+    };
+  };
+}
+
+function parsePyproject(pyprojectContent: string): string | undefined {
+  const pyproject: Pyproject = toml.parse(pyprojectContent);
+  const dependencies: string[] = pyproject?.project?.dependencies || [];
+  const optionalDependencies: string[] = Object.values(
+    pyproject?.project?.["optional-dependencies"] || {},
+  ).flat();
+  const devDependencies: string[] = Object.values(
+    pyproject?.["dependency-groups"] || {},
+  )
+    .flat()
+    .filter((item: string | object) => typeof item === "string");
+  return (
+    getRuffVersionFromAllDependencies(
+      dependencies.concat(optionalDependencies, devDependencies),
+    ) || getRuffVersionFromPoetryGroups(pyproject)
+  );
+}
+
+function getRuffVersionFromPoetryGroups(
+  pyproject: Pyproject,
+): string | undefined {
+  // Special handling for Poetry until it supports PEP 735
+  // See: <https://github.com/python-poetry/poetry/issues/9751>
+  const poetry = pyproject?.tool?.poetry || {};
+  const poetryGroups = Object.values(poetry.group || {});
+  if (poetry.dependencies) {
+    poetryGroups.unshift({ dependencies: poetry.dependencies });
+  }
+  return poetryGroups
+    .flatMap((group) => Object.entries(group.dependencies))
+    .map(([name, spec]) => {
+      if (name === "ruff" && typeof spec === "string") return spec;
+      return undefined;
+    })
+    .find((version) => version !== undefined);
+}
+
+export function getRuffVersionFromRequirementsFile(
+  filePath: string,
+): string | undefined {
+  if (!fs.existsSync(filePath)) {
+    core.warning(`Could not find file: ${filePath}`);
+    return undefined;
+  }
+  const pyprojectContent = fs.readFileSync(filePath, "utf-8");
+  if (filePath.endsWith(".txt")) {
+    return getRuffVersionFromAllDependencies(pyprojectContent.split("\n"));
+  }
+  try {
+    return parsePyproject(pyprojectContent);
+  } catch (err) {
+    const message = (err as Error).message;
+    core.warning(`Error while parsing ${filePath}: ${message}`);
+    return undefined;
+  }
+}

src/utils/retry.ts

@@ -0,0 +1,176 @@
+import * as core from "@actions/core";
+
+export interface RetryOptions {
+  maxRetries: number;
+  initialDelayMs: number;
+  maxDelayMs: number;
+  backoffMultiplier: number;
+  timeoutMs?: number;
+}
+
+export const DEFAULT_RETRY_OPTIONS: RetryOptions = {
+  backoffMultiplier: 2,
+  initialDelayMs: 1000,
+  maxDelayMs: 10000,
+  maxRetries: 3,
+  timeoutMs: 30000, // 30 second timeout
+};
+
+export class RetryableError extends Error {
+  constructor(
+    message: string,
+    public readonly cause?: Error,
+  ) {
+    super(message);
+    this.name = "RetryableError";
+  }
+}
+
+export class NonRetryableError extends Error {
+  constructor(
+    message: string,
+    public readonly cause?: Error,
+  ) {
+    super(message);
+    this.name = "NonRetryableError";
+  }
+}
+
+export async function withRetry<T>(
+  operation: () => Promise<T>,
+  options: Partial<RetryOptions> = {},
+  operationName = "operation",
+): Promise<T> {
+  const opts = { ...DEFAULT_RETRY_OPTIONS, ...options };
+  let lastError: Error | undefined;
+
+  for (let attempt = 0; attempt <= opts.maxRetries; attempt++) {
+    try {
+      if (attempt > 0) {
+        const delay = Math.min(
+          opts.initialDelayMs * opts.backoffMultiplier ** (attempt - 1),
+          opts.maxDelayMs,
+        );
+        core.info(
+          `Retrying ${operationName} (attempt ${attempt + 1}/${opts.maxRetries + 1}) after ${delay}ms delay...`,
+        );
+        await sleep(delay);
+      }
+
+      // Wrap operation with timeout if specified
+      if (opts.timeoutMs) {
+        return await withTimeout(operation(), opts.timeoutMs, operationName);
+      } else {
+        return await operation();
+      }
+    } catch (error) {
+      lastError = error as Error;
+
+      // Don't retry on non-retryable errors
+      if (lastError instanceof NonRetryableError) {
+        core.debug(
+          `Non-retryable error in ${operationName}: ${lastError.message}`,
+        );
+        throw lastError.cause || lastError;
+      }
+
+      // Log the error for debugging
+      core.debug(
+        `Attempt ${attempt + 1} failed for ${operationName}: ${lastError.message}`,
+      );
+
+      // If this was the last attempt, throw the error
+      if (attempt === opts.maxRetries) {
+        core.error(
+          `${operationName} failed after ${opts.maxRetries + 1} attempts. Last error: ${lastError.message}`,
+        );
+        throw lastError;
+      }
+    }
+  }
+
+  throw lastError || new Error(`${operationName} failed for unknown reason`);
+}
+
+export async function withTimeout<T>(
+  promise: Promise<T>,
+  timeoutMs: number,
+  operationName = "operation",
+): Promise<T> {
+  const timeoutPromise = new Promise<never>((_, reject) => {
+    setTimeout(() => {
+      reject(
+        new RetryableError(`${operationName} timed out after ${timeoutMs}ms`),
+      );
+    }, timeoutMs);
+  });
+
+  return Promise.race([promise, timeoutPromise]);
+}
+
+function sleep(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+export function isRetryableError(error: Error): boolean {
+  const message = error.message.toLowerCase();
+
+  // Network-related errors that should be retried
+  const retryableMessages = [
+    "connect timeout",
+    "connection timeout",
+    "timeout",
+    "econnreset",
+    "econnrefused",
+    "enotfound",
+    "network error",
+    "request timeout",
+    "socket timeout",
+    "fetch failed",
+    "connect etimedout",
+  ];
+
+  // HTTP status codes that should be retried
+  const retryableStatusCodes = [408, 429, 500, 502, 503, 504];
+
+  // Check for retryable messages
+  if (retryableMessages.some((msg) => message.includes(msg))) {
+    return true;
+  }
+
+  // Check for HTTP status codes in error message
+  const statusMatch = message.match(/status.*?(\d{3})/);
+  if (statusMatch) {
+    const statusCode = parseInt(statusMatch[1], 10);
+    if (retryableStatusCodes.includes(statusCode)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+export function wrapWithRetryLogic<T>(
+  operation: () => Promise<T>,
+  operationName: string,
+  options: Partial<RetryOptions> = {},
+): () => Promise<T> {
+  return async () => {
+    try {
+      return await withRetry(operation, options, operationName);
+    } catch (error) {
+      const err = error as Error;
+      if (isRetryableError(err)) {
+        throw new RetryableError(
+          `${operationName} failed: ${err.message}`,
+          err,
+        );
+      } else {
+        throw new NonRetryableError(
+          `${operationName} failed: ${err.message}`,
+          err,
+        );
+      }
+    }
+  };
+}

src/version/file-parser.ts

@@ -1,185 +0,0 @@
-import fs from "node:fs";
-import * as core from "@actions/core";
-import * as toml from "smol-toml";
-import { normalizeVersionSpecifier } from "./specifier";
-import type { ParsedVersionFile, VersionFileFormat } from "./types";
-
-interface VersionFileParser {
-  format: VersionFileFormat;
-  parse(filePath: string): string | undefined;
-  supports(filePath: string): boolean;
-}
-
-interface Pyproject {
-  project?: {
-    dependencies?: string[];
-    "optional-dependencies"?: Record<string, string[]>;
-  };
-  "dependency-groups"?: Record<string, Array<string | object>>;
-  tool?: {
-    poetry?: {
-      dependencies?: Record<string, string | object>;
-      group?: Record<string, { dependencies: Record<string, string | object> }>;
-    };
-  };
-}
-
-const VERSION_FILE_PARSERS: VersionFileParser[] = [
-  {
-    format: "pyproject.toml",
-    parse: (filePath) => {
-      const fileContent = fs.readFileSync(filePath, "utf-8");
-      return getRuffVersionFromPyprojectContent(fileContent);
-    },
-    supports: (filePath) => filePath.endsWith("pyproject.toml"),
-  },
-  {
-    format: "requirements",
-    parse: (filePath) => {
-      const fileContent = fs.readFileSync(filePath, "utf-8");
-      return getRuffVersionFromRequirementsText(fileContent);
-    },
-    supports: (filePath) => filePath.endsWith(".txt"),
-  },
-];
-
-export function getParsedVersionFile(
-  filePath: string,
-): ParsedVersionFile | undefined {
-  core.info(`Trying to find version for ruff in: ${filePath}`);
-
-  if (!fs.existsSync(filePath)) {
-    core.warning(`Could not find file: ${filePath}`);
-    return undefined;
-  }
-
-  const parser = getVersionFileParser(filePath);
-  if (parser === undefined) {
-    return undefined;
-  }
-
-  try {
-    const specifier = parser.parse(filePath);
-    if (specifier === undefined) {
-      return undefined;
-    }
-
-    const normalizedSpecifier = normalizeVersionSpecifier(specifier);
-    core.info(`Found version for ruff in ${filePath}: ${normalizedSpecifier}`);
-    return {
-      format: parser.format,
-      specifier: normalizedSpecifier,
-    };
-  } catch (error) {
-    core.warning(
-      `Error while parsing ${filePath}: ${(error as Error).message}`,
-    );
-    return undefined;
-  }
-}
-
-export function getRuffVersionFromFile(filePath: string): string | undefined {
-  return getParsedVersionFile(filePath)?.specifier;
-}
-
-export function findRuffVersionInSpec(spec: string): string | undefined {
-  const trimmedSpec = spec.trim();
-
-  if (!trimmedSpec.startsWith("ruff")) {
-    return undefined;
-  }
-
-  let versionSpec = trimmedSpec.slice("ruff".length);
-  if (!versionSpec.match(/^(?:\s+|[=<>~!])/)) {
-    return undefined;
-  }
-
-  versionSpec = versionSpec.replace(/\\$/, "").trim();
-
-  const match = versionSpec.match(/^([^;]+)(?:;.*)?$/);
-
-  if (match) {
-    let version = match[1].trim();
-    if (version) {
-      version = normalizeVersionSpecifier(version);
-      if (trimmedSpec.includes(";")) {
-        core.warning(
-          "Environment markers are ignored. ruff is a standalone tool that works independently of Python version.",
-        );
-      }
-      core.info(`Found ruff version in requirements file: ${version}`);
-      return version;
-    }
-  }
-
-  return undefined;
-}
-
-export function getRuffVersionFromRequirementsText(
-  fileContent: string,
-): string | undefined {
-  return getRuffVersionFromAllDependencies(fileContent.split("\n"));
-}
-
-export function getRuffVersionFromPyprojectContent(
-  pyprojectContent: string,
-): string | undefined {
-  const pyproject = parsePyprojectContent(pyprojectContent);
-  return getRuffVersionFromParsedPyproject(pyproject);
-}
-
-export function parsePyprojectContent(pyprojectContent: string): Pyproject {
-  return toml.parse(pyprojectContent) as Pyproject;
-}
-
-function getVersionFileParser(filePath: string): VersionFileParser | undefined {
-  return VERSION_FILE_PARSERS.find((parser) => parser.supports(filePath));
-}
-
-function getRuffVersionFromParsedPyproject(
-  pyproject: Pyproject,
-): string | undefined {
-  const dependencies: string[] = pyproject.project?.dependencies || [];
-  const optionalDependencies: string[] = Object.values(
-    pyproject.project?.["optional-dependencies"] || {},
-  ).flat();
-  const devDependencies: string[] = Object.values(
-    pyproject["dependency-groups"] || {},
-  )
-    .flat()
-    .filter((item: string | object) => typeof item === "string");
-
-  return (
-    getRuffVersionFromAllDependencies(
-      dependencies.concat(optionalDependencies, devDependencies),
-    ) || getRuffVersionFromPoetryGroups(pyproject)
-  );
-}
-
-function getRuffVersionFromPoetryGroups(
-  pyproject: Pyproject,
-): string | undefined {
-  const poetry = pyproject.tool?.poetry || {};
-  const poetryGroups = Object.values(poetry.group || {});
-  if (poetry.dependencies) {
-    poetryGroups.unshift({ dependencies: poetry.dependencies });
-  }
-
-  return poetryGroups
-    .flatMap((group) => Object.entries(group.dependencies))
-    .map(([name, spec]) => {
-      if (typeof spec === "string") {
-        return findRuffVersionInSpec(`${name} ${spec}`);
-      }
-      return undefined;
-    })
-    .find((version) => version !== undefined);
-}
-
-function getRuffVersionFromAllDependencies(
-  allDependencies: string[],
-): string | undefined {
-  return allDependencies
-    .map((dependency) => findRuffVersionInSpec(dependency))
-    .find((version) => version !== undefined);
-}

src/version/resolve.ts

@@ -1,125 +0,0 @@
-import * as core from "@actions/core";
-import * as tc from "@actions/tool-cache";
-import * as pep440 from "@renovatebot/pep440";
-import { getAllVersions, getLatestVersion } from "../download/manifest";
-import {
-  type ParsedVersionSpecifier,
-  parseVersionSpecifier,
-} from "./specifier";
-import type { ResolveRuffVersionOptions } from "./types";
-import { resolveVersionRequest } from "./version-request-resolver";
-
-interface ConcreteVersionResolutionContext {
-  manifestUrl?: string;
-  parsedSpecifier: ParsedVersionSpecifier;
-}
-
-interface ConcreteVersionResolver {
-  resolve(
-    context: ConcreteVersionResolutionContext,
-  ): Promise<string | undefined>;
-}
-
-class ExactVersionResolver implements ConcreteVersionResolver {
-  async resolve(
-    context: ConcreteVersionResolutionContext,
-  ): Promise<string | undefined> {
-    if (context.parsedSpecifier.kind !== "exact") {
-      return undefined;
-    }
-
-    core.debug(
-      `Version ${context.parsedSpecifier.normalized} is an explicit version.`,
-    );
-    return context.parsedSpecifier.normalized;
-  }
-}
-
-class LatestVersionResolver implements ConcreteVersionResolver {
-  async resolve(
-    context: ConcreteVersionResolutionContext,
-  ): Promise<string | undefined> {
-    if (context.parsedSpecifier.kind !== "latest") {
-      return undefined;
-    }
-
-    return await getLatestVersion(context.manifestUrl);
-  }
-}
-
-class RangeVersionResolver implements ConcreteVersionResolver {
-  async resolve(
-    context: ConcreteVersionResolutionContext,
-  ): Promise<string | undefined> {
-    if (context.parsedSpecifier.kind !== "range") {
-      return undefined;
-    }
-
-    const availableVersions = await getAllVersions(context.manifestUrl);
-    const resolvedVersion = maxSatisfying(
-      availableVersions,
-      context.parsedSpecifier.normalized,
-    );
-    if (resolvedVersion === undefined) {
-      throw new Error(`No version found for ${context.parsedSpecifier.raw}`);
-    }
-
-    core.debug(`Resolved version: ${resolvedVersion}`);
-    return resolvedVersion;
-  }
-}
-
-const CONCRETE_VERSION_RESOLVERS: ConcreteVersionResolver[] = [
-  new ExactVersionResolver(),
-  new LatestVersionResolver(),
-  new RangeVersionResolver(),
-];
-
-export async function resolveRuffVersion(
-  options: ResolveRuffVersionOptions,
-): Promise<string> {
-  const request = resolveVersionRequest(options);
-  return await resolveVersion(request.specifier, options.manifestFile);
-}
-
-export async function resolveVersion(
-  versionInput: string,
-  manifestUrl?: string,
-): Promise<string> {
-  core.debug(`Resolving ${versionInput}...`);
-
-  const context: ConcreteVersionResolutionContext = {
-    manifestUrl,
-    parsedSpecifier: parseVersionSpecifier(versionInput),
-  };
-
-  for (const resolver of CONCRETE_VERSION_RESOLVERS) {
-    const version = await resolver.resolve(context);
-    if (version !== undefined) {
-      return version;
-    }
-  }
-
-  throw new Error(`No version found for ${versionInput}`);
-}
-
-function maxSatisfying(
-  versions: string[],
-  version: string,
-): string | undefined {
-  const maxSemver = tc.evaluateVersions(versions, version);
-  if (maxSemver !== "") {
-    core.debug(`Found a version that satisfies the semver range: ${maxSemver}`);
-    return maxSemver;
-  }
-
-  const maxPep440 = pep440.maxSatisfying(versions, version);
-  if (maxPep440 !== null) {
-    core.debug(
-      `Found a version that satisfies the pep440 specifier: ${maxPep440}`,
-    );
-    return maxPep440;
-  }
-
-  return undefined;
-}

src/version/specifier.ts

@@ -1,57 +0,0 @@
-import * as tc from "@actions/tool-cache";
-
-export type ParsedVersionSpecifier =
-  | {
-      kind: "exact";
-      normalized: string;
-      raw: string;
-    }
-  | {
-      kind: "latest";
-      normalized: "latest";
-      raw: string;
-    }
-  | {
-      kind: "range";
-      normalized: string;
-      raw: string;
-    };
-
-export function normalizeVersionSpecifier(specifier: string): string {
-  const trimmedSpecifier = specifier.trim();
-
-  if (trimmedSpecifier.startsWith("==")) {
-    return trimmedSpecifier.slice(2);
-  }
-
-  return trimmedSpecifier;
-}
-
-export function parseVersionSpecifier(
-  specifier: string,
-): ParsedVersionSpecifier {
-  const raw = specifier.trim();
-  const normalized = normalizeVersionSpecifier(raw);
-
-  if (normalized === "latest") {
-    return {
-      kind: "latest",
-      normalized: "latest",
-      raw,
-    };
-  }
-
-  if (tc.isExplicitVersion(normalized)) {
-    return {
-      kind: "exact",
-      normalized,
-      raw,
-    };
-  }
-
-  return {
-    kind: "range",
-    normalized,
-    raw,
-  };
-}

src/version/types.ts

@@ -1,27 +0,0 @@
-export type VersionSource =
-  | "input"
-  | "version-file"
-  | "pyproject.toml"
-  | "default";
-
-export type VersionFileFormat = "pyproject.toml" | "requirements";
-
-export interface ParsedVersionFile {
-  format: VersionFileFormat;
-  specifier: string;
-}
-
-export interface ResolveRuffVersionOptions {
-  manifestFile?: string;
-  sourceDirectory: string;
-  version?: string;
-  versionFile?: string;
-  workspaceRoot: string;
-}
-
-export interface VersionRequest {
-  format?: VersionFileFormat;
-  source: VersionSource;
-  sourcePath?: string;
-  specifier: string;
-}

src/version/version-request-resolver.ts

@@ -1,162 +0,0 @@
-import * as core from "@actions/core";
-import { findPyprojectToml } from "../utils/pyproject-finder";
-import { getParsedVersionFile } from "./file-parser";
-import { normalizeVersionSpecifier } from "./specifier";
-import type {
-  ParsedVersionFile,
-  ResolveRuffVersionOptions,
-  VersionRequest,
-} from "./types";
-
-export interface VersionRequestResolver {
-  resolve(context: VersionRequestContext): VersionRequest | undefined;
-}
-
-export class VersionRequestContext {
-  readonly sourceDirectory: string;
-  readonly version: string | undefined;
-  readonly versionFile: string | undefined;
-  readonly workspaceRoot: string;
-
-  private readonly parsedFiles = new Map<
-    string,
-    ParsedVersionFile | undefined
-  >();
-
-  constructor(
-    version: string | undefined,
-    versionFile: string | undefined,
-    sourceDirectory: string,
-    workspaceRoot: string,
-  ) {
-    this.version = version;
-    this.versionFile = versionFile;
-    this.sourceDirectory = sourceDirectory;
-    this.workspaceRoot = workspaceRoot;
-  }
-
-  getVersionFile(filePath: string): ParsedVersionFile | undefined {
-    const cachedResult = this.parsedFiles.get(filePath);
-    if (cachedResult !== undefined || this.parsedFiles.has(filePath)) {
-      return cachedResult;
-    }
-
-    const result = getParsedVersionFile(filePath);
-    this.parsedFiles.set(filePath, result);
-    return result;
-  }
-
-  getWorkspacePyprojectPath(): string | undefined {
-    return findPyprojectToml(this.sourceDirectory, this.workspaceRoot);
-  }
-}
-
-export class ExplicitInputVersionResolver implements VersionRequestResolver {
-  resolve(context: VersionRequestContext): VersionRequest | undefined {
-    if (context.version === undefined) {
-      return undefined;
-    }
-
-    return {
-      source: "input",
-      specifier: normalizeVersionSpecifier(context.version),
-    };
-  }
-}
-
-export class VersionFileVersionResolver implements VersionRequestResolver {
-  resolve(context: VersionRequestContext): VersionRequest | undefined {
-    if (context.versionFile === undefined) {
-      return undefined;
-    }
-
-    const versionFile = context.getVersionFile(context.versionFile);
-    if (versionFile === undefined) {
-      core.warning(
-        `Could not parse version from ${context.versionFile}. Using latest version.`,
-      );
-      return undefined;
-    }
-
-    return {
-      format: versionFile.format,
-      source: "version-file",
-      sourcePath: context.versionFile,
-      specifier: versionFile.specifier,
-    };
-  }
-}
-
-export class WorkspaceVersionResolver implements VersionRequestResolver {
-  resolve(context: VersionRequestContext): VersionRequest | undefined {
-    const pyprojectPath = context.getWorkspacePyprojectPath();
-    if (!pyprojectPath) {
-      core.info("Could not find pyproject.toml. Using latest version.");
-      return undefined;
-    }
-
-    const versionFile = context.getVersionFile(pyprojectPath);
-    if (versionFile === undefined) {
-      core.info(
-        `Could not parse version from ${pyprojectPath}. Using latest version.`,
-      );
-      return undefined;
-    }
-
-    return {
-      format: versionFile.format,
-      source: "pyproject.toml",
-      sourcePath: pyprojectPath,
-      specifier: versionFile.specifier,
-    };
-  }
-}
-
-export class LatestVersionResolver implements VersionRequestResolver {
-  resolve(): VersionRequest {
-    return {
-      source: "default",
-      specifier: "latest",
-    };
-  }
-}
-
-const VERSION_REQUEST_RESOLVERS: VersionRequestResolver[] = [
-  new ExplicitInputVersionResolver(),
-  new VersionFileVersionResolver(),
-  new WorkspaceVersionResolver(),
-  new LatestVersionResolver(),
-];
-
-export function resolveVersionRequest(
-  options: ResolveRuffVersionOptions,
-): VersionRequest {
-  const version = emptyToUndefined(options.version);
-  const versionFile = emptyToUndefined(options.versionFile);
-
-  if (version !== undefined && versionFile !== undefined) {
-    throw new Error(
-      "It is not allowed to specify both version and version-file",
-    );
-  }
-
-  const context = new VersionRequestContext(
-    version,
-    versionFile,
-    options.sourceDirectory,
-    options.workspaceRoot,
-  );
-
-  for (const resolver of VERSION_REQUEST_RESOLVERS) {
-    const request = resolver.resolve(context);
-    if (request !== undefined) {
-      return request;
-    }
-  }
-
-  throw new Error("Could not resolve a requested Ruff version.");
-}
-
-function emptyToUndefined(value: string | undefined): string | undefined {
-  return value === undefined || value === "" ? undefined : value;
-}

tsconfig.json

@@ -1,12 +1,12 @@
 {
   "compilerOptions": {
-    "esModuleInterop": true,
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
-    "isolatedModules": true,
+    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
-    "module": "esnext",
+    "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
-    "moduleResolution": "bundler",
+    "outDir": "./lib" /* Redirect output structure to the directory. */,
-    "noImplicitAny": true,
+    "rootDir": "./src" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
-    "strict": true,
+    "strict": true /* Enable all strict type-checking options. */,
-    "target": "ES2022"
+    "target": "ES2022" /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
   },
-  "include": ["src/**/*.ts"]
+  "exclude": ["node_modules", "**/*.test.ts"]
 }