release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      bump:
        description: "Version bump type"
        required: true
        type: choice
        options:
          - patch
          - minor
          - major

permissions:
  contents: write
  packages: write

jobs:
  release:
    name: Release
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

      - name: Calculate next version
        id: version
        run: |
          CURRENT=$(git describe --abbrev=0 --tags 2>/dev/null || echo "v0.0.0")
          echo "current=$CURRENT" >> "$GITHUB_OUTPUT"

          # Strip the 'v' prefix for arithmetic
          VERSION=${CURRENT#v}
          MAJOR=$(echo "$VERSION" | cut -d. -f1)
          MINOR=$(echo "$VERSION" | cut -d. -f2)
          PATCH=$(echo "$VERSION" | cut -d. -f3)

          case "${{ inputs.bump }}" in
            major)
              MAJOR=$((MAJOR + 1))
              MINOR=0
              PATCH=0
              ;;
            minor)
              MINOR=$((MINOR + 1))
              PATCH=0
              ;;
            patch)
              PATCH=$((PATCH + 1))
              ;;
          esac

          NEXT="v${MAJOR}.${MINOR}.${PATCH}"
          echo "next=$NEXT" >> "$GITHUB_OUTPUT"
          echo "Bumping $CURRENT -> $NEXT (${{ inputs.bump }})"

      - name: Update version references in README.md
        run: |
          CURRENT=${{ steps.version.outputs.current }}
          NEXT=${{ steps.version.outputs.next }}
          sed -i "s|${CURRENT}|${NEXT}|g" README.md

      - name: Update version references in examples
        run: |
          CURRENT=${{ steps.version.outputs.current }}
          NEXT=${{ steps.version.outputs.next }}
          find examples -name 'Dockerfile' -exec sed -i "s|${CURRENT}|${NEXT}|g" {} +

      - name: Commit version bump
        run: |
          NEXT=${{ steps.version.outputs.next }}
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add README.md examples/
          git commit -m "chore: bump version to ${NEXT}" || echo "No changes to commit"
          git push

      - name: Create and push tag
        run: |
          NEXT=${{ steps.version.outputs.next }}
          git tag -a "${NEXT}" -m "Release ${NEXT}"
          git push origin "${NEXT}"

      - name: Log in to GHCR
        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v7
        with:
          version: latest
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}