Fix version-file input (#72)

The input was previously ignored

Fixes: #69

src/download/download-version.ts

@@ -71,6 +71,7 @@ export async function resolveVersion(
   versionInput: string,
   githubToken: string,
 ): Promise<string> {
+  core.debug(`Resolving ${versionInput}...`);
   const version =
     versionInput === "latest"
       ? await getLatestVersion(githubToken)
@@ -84,6 +85,7 @@ export async function resolveVersion(
   if (resolvedVersion === "") {
     throw new Error(`No version found for ${version}`);
   }
+  core.debug(`Resolved version: ${resolvedVersion}`);
   return resolvedVersion;
 }
 

src/ruff-action.ts

@@ -96,16 +96,22 @@ async function determineVersion(): Promise<string> {
     const versionFromPyproject = getRuffVersionFromPyproject(versionFileInput);
     if (versionFromPyproject === undefined) {
       core.warning(
-        "Could not parse version from supplied pyproject.toml. Using latest version.",
+        `Could not parse version from ${versionFileInput}. Using latest version.`,
       );
-      return await resolveVersion("latest", githubToken);
     }
+    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 = getRuffVersionFromPyproject(pyProjectPath);
+  if (versionFromPyproject === undefined) {
+    core.warning(
+      `Could not parse version from ${pyProjectPath}. Using latest version.`,
+    );
+  }
   return await resolveVersion(versionFromPyproject || "latest", githubToken);
 }