release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      snapshot:
        description: "Build a snapshot instead of publishing a release"
        required: false
        default: "false"
        type: boolean
      version:
        description: "Version to publish (must match VERSION file)"
        required: false
        default: ""
        type: string

permissions:
  contents: write

jobs:
  release:
    name: GoReleaser
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: true

      - name: Load version
        shell: bash
        run: echo "VERSION=$(tr -d '\r\n' < VERSION)" >> "$GITHUB_ENV"

      - name: Verify version override
        if: inputs.version != ''
        shell: bash
        run: |
          if [ "${{ inputs.version }}" != "$VERSION" ]; then
            echo "::error::Input version ${{ inputs.version }} does not match VERSION file ($VERSION)" >&2
            exit 1
          fi

      - name: Create release tag
        if: inputs.snapshot == false
        shell: bash
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          TAG="v${VERSION}"
          if git rev-parse -q --verify "refs/tags/${TAG}" >/dev/null; then
            echo "::warning::Tag ${TAG} already exists, skipping tag creation."
          else
            git tag -a "${TAG}" -m "Release ${TAG}"
            git push origin "${TAG}"
          fi

      - name: Run GoReleaser (snapshot)
        if: inputs.snapshot == true
        uses: goreleaser/goreleaser-action@v6
        with:
          distribution: goreleaser
          version: "~> v2"
          args: release --snapshot --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Run GoReleaser (release)
        if: inputs.snapshot == false
        uses: goreleaser/goreleaser-action@v6
        with:
          distribution: goreleaser
          version: "~> v2"
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}