release.yml

name: Release on merge of versioned branch into main

on:
  pull_request:
    types: [closed]
    branches:
      - main

jobs:
  release:
    if: github.event.pull_request.merged == true && startsWith(github.event.pull_request.head.ref, 'v')
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Extract version from branch name
        run: echo "VERSION=${GITHUB_HEAD_REF}" >> $GITHUB_ENV

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.24.4'

      - name: Build with version
        run: go build -ldflags "-X main.Version=${VERSION}" -o req

      - name: Tag main with version
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"
          git fetch --unshallow --tags
          git tag "${VERSION}"
          git push origin "${VERSION}"

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ env.VERSION }}
          files: req
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}