feat: add go-download-base-url input for custom Go distributions

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Add support for downloading Go from custom sources such as Microsoft Go
(aka.ms). Users can specify a custom download base URL via the
`go-download-base-url` input or the `GO_DOWNLOAD_BASE_URL` environment
variable (input takes precedence).

When a custom URL is provided, the action skips the GitHub-hosted
manifest and attempts to resolve versions from the custom URL's JSON
listing. If the listing is unavailable (as with aka.ms redirect links),
it falls back to constructing the download URL directly from the
version, platform, and architecture.

Usage:
  - uses: actions/setup-go@v6
    with:
      go-version: '1.25'
      go-download-base-url: 'https://aka.ms/golang/release/latest'

Changes:
- action.yml: add go-download-base-url optional input
- installer.ts: add getInfoFromDirectDownload() for URL construction
  fallback, thread custom URL through getGo/getInfoFromDist/findMatch
- main.ts: read new input and GO_DOWNLOAD_BASE_URL env var
- setup-go.test.ts: add 12 unit tests for custom URL behavior
- microsoft-validation.yml: add E2E workflow testing Microsoft build of Go
  across ubuntu/windows/macos with versions 1.24 and 1.25
- README.md: document new input with Microsoft build of Go examples

...

This commit is contained in:

George Adams 2026-02-13 15:44:00 +00:00

parent 27fdb267c1

commit 78af96c188

9 changed files with 976 additions and 55471 deletions

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