ci: separate build and lint pipelines

.github/workflows/build.yml

@@ -1,10 +1,18 @@
-name: C-lang CI
+name: Clang Build CI
+
+concurrency:
+  group: build-${{ github.ref }}
+  cancel-in-progress: true
 
 on:
+  workflow_dispatch:
   push:
-    branches: ["master"]
-  pull_request:
-    branches: ["master"]
+    paths:
+      - '.github/workflows/build.yml'
+      - 'src/*.c'
+      - 'src/*.h'
+      - 'configure.ac'
+      - 'Makefile.am'
 
 env:
   GCC_ARGS: src/*.c src/*.h -Ofast
@@ -12,18 +20,11 @@ env:
   TEST_ARGS: ""
 
 jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: gcc
-        run: gcc -v -Wall -Wextra -Werror $GCC_ARGS
-
   build-release:
-    needs: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v4
       - name: aclocal
         run: aclocal
       - name: autoconf
@@ -38,10 +39,10 @@ jobs:
         run: make distcheck
 
   run:
-    needs: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v5
       - name: gcc
         run: mkdir -p build && gcc $GCC_ARGS -o build/$TARGET
       - name: run program

.github/workflows/lint.yml

@@ -0,0 +1,25 @@
+name: Clang Lint CI
+
+concurrency:
+  group: lint-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - '.github/workflows/lint.yml'
+      - 'src/*.c'
+      - 'src/*.h'
+
+env:
+  GCC_ARGS: src/*.c src/*.h -Ofast
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+      - name: gcc
+        run: gcc -v -Wall -Wextra -Werror $GCC_ARGS