add .tool-versions file support

.github/workflows/versions.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-latest-large]
     steps:
       - uses: actions/checkout@v5
       - name: Setup Go Stable
@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-latest-large]
     steps:
       - uses: actions/checkout@v5
       - name: Setup Go oldStable
@@ -48,13 +48,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-latest-large]
         version: [stable, oldstable]
         architecture: [x64, x32]
         exclude:
           - os: macos-latest
             architecture: x32
-          - os: macos-13
+          - os: macos-latest-large
             architecture: x32
     steps:
       - uses: actions/checkout@v5
@@ -72,7 +72,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-latest, macos-13]
+        os: [macos-latest, windows-latest, ubuntu-latest, macos-latest-large]
         go: [1.21.13, 1.22.8, 1.23.2]
         include:
           - os: windows-latest
@@ -98,7 +98,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-latest-large]
         go-version: ['1.20', '1.21', '1.22', '1.23']
     steps:
       - uses: actions/checkout@v5
@@ -115,7 +115,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-latest-large]
     steps:
       - uses: actions/checkout@v5
       - name: Setup Go and check latest
@@ -131,7 +131,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-latest-large]
     steps:
       - uses: actions/checkout@v5
       - name: Setup Go and check latest
@@ -142,12 +142,28 @@ jobs:
         run: __tests__/verify-go.sh 1.21
         shell: bash
 
+  go-version-file-with-tool-versions:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-latest-large]
+    steps:
+      - uses: actions/checkout@v5
+      - name: Setup Go and check latest
+        uses: ./
+        with:
+          go-version-file: __tests__/data/.tool-versions
+      - name: verify go
+        run: __tests__/verify-go.sh 1.23.2
+        shell: bash
+
   setup-versions-from-manifest:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-latest, macos-13]
+        os: [macos-latest, windows-latest, ubuntu-latest, macos-latest-large]
         go: [1.20.14, 1.21.10, 1.22.8, 1.23.2]
     steps:
       - name: Checkout
@@ -167,7 +183,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-latest, ubuntu-latest, macos-13]
+        os: [windows-latest, ubuntu-latest, macos-latest-large]
         go: [1.11.12]
     steps:
       - name: Checkout
@@ -187,7 +203,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-latest-large]
         go-version: [1.20.14, 1.21, 1.22, 1.23]
         include:
           - os: macos-latest
@@ -196,7 +212,7 @@ jobs:
             architecture: x64
           - os: windows-latest
             architecture: x64
-          - os: macos-13
+          - os: macos-latest-large
             architecture: x64
     steps:
       - uses: actions/checkout@v5

README.md

@@ -178,7 +178,7 @@ steps:
 
 ## Getting go version from the go.mod file
 
-The `go-version-file` input accepts a path to a `go.mod` file or a `go.work`
+The `go-version-file` input accepts a path to a `go.mod` file, `.tool-versions` file or a `go.work`
 file that contains the version of Go to be used by a project. The version taken
 from thils file will be:
 
@@ -203,6 +203,15 @@ steps:
       go-version-file: 'path/to/go.mod'
   - run: go version
 ```
+```yaml
+steps:
+  - uses: actions/checkout@v5
+  - uses: actions/setup-go@v6
+    with:
+      go-version-file: '.tool-versions'
+  - run: go version
+```
+> The [.tool-versions file](https://asdf-vm.com/manage/configuration.html#tool-versions) supports version specifications in accordance with asdf standards, adhering to Semantic Versioning ([semver](https://semver.org)).
 
 ## Matrix testing
 

__tests__/data/.tool-versions

@@ -0,0 +1 @@
+golang 1.23.2

__tests__/setup-go.test.ts

@@ -866,6 +866,9 @@ exclude example.com/thismodule v1.3.0
 
 use .
 
+`;
+
+    const toolVersionsContents = `golang 1.23
 `;
 
     it('reads version from go.mod', async () => {
@@ -892,6 +895,18 @@ use .
       expect(logSpy).toHaveBeenCalledWith('matching 1.19...');
     });
 
+    it('reads version from .tool-versions', async () => {
+      inputs['go-version-file'] = '.tool-versions';
+      existsSpy.mockImplementation(() => true);
+      readFileSpy.mockImplementation(() => Buffer.from(toolVersionsContents));
+
+      await main.run();
+
+      expect(logSpy).toHaveBeenCalledWith('Setup go version spec 1.23');
+      expect(logSpy).toHaveBeenCalledWith('Attempting to download 1.23...');
+      expect(logSpy).toHaveBeenCalledWith('matching 1.23...');
+    });
+
     it('reads version from .go-version', async () => {
       inputs['go-version-file'] = '.go-version';
       existsSpy.mockImplementation(() => true);

action.yml

@@ -5,7 +5,7 @@ inputs:
   go-version:
     description: 'The Go version to download (if necessary) and use. Supports semver spec and ranges. Be sure to enclose this option in single quotation marks.'
   go-version-file:
-    description: 'Path to the go.mod or go.work file.'
+    description: 'Path to the go.mod, .tool-versions, or go.work file.'
   check-latest:
     description: 'Set this option to true if you want the action to always check for the latest available version that satisfies the version spec'
     default: false

dist/setup/index.js

@@ -94679,6 +94679,10 @@ function parseGoVersionFile(versionFilePath) {
         const matchGo = contents.match(/^go (\d+(\.\d+)*)/m);
         return matchGo ? matchGo[1] : '';
     }
+    else if (path.basename(versionFilePath) === '.tool-versions') {
+        const match = contents.match(/^golang\s+([^\n#]+)/m);
+        return match ? match[1].trim() : '';
+    }
     return contents.trim();
 }
 function resolveStableVersionDist(versionSpec, arch) {

src/installer.ts

@@ -513,6 +513,9 @@ export function parseGoVersionFile(versionFilePath: string): string {
     // go directive: https://go.dev/ref/mod#go-mod-file-go
     const matchGo = contents.match(/^go (\d+(\.\d+)*)/m);
     return matchGo ? matchGo[1] : '';
+  } else if (path.basename(versionFilePath) === '.tool-versions') {
+    const match = contents.match(/^golang\s+([^\n#]+)/m);
+    return match ? match[1].trim() : '';
   }
 
   return contents.trim();