on:
  push:
    tags:
      - "api/v*" # Push events to matching api/v*, i.e. api/v1.0, api/v20.15.10

name: API Release

env:
  GO_VERSION: "1.23.7"

permissions: # added using https://github.com/step-security/secure-workflows
  contents: read

jobs:
  check:
    name: Check Signed Tag
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/api/v')
    runs-on: ubuntu-24.04
    timeout-minutes: 5
    outputs:
      stringver: ${{ steps.contentrel.outputs.stringver }}

    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          ref: ${{ github.ref }}
          path: src/github.com/containerd/containerd

      - name: Check signature
        run: |
          releasever=${{ github.ref }}
          releasever="${releasever#refs/tags/}"
          TAGCHECK=$(git tag -v ${releasever} 2>&1 >/dev/null) ||
          echo "${TAGCHECK}" | grep -q "error" && {
              echo "::error::tag ${releasever} is not a signed tag. Failing release process."
              exit 1
          } || {
              echo "Tag ${releasever} is signed."
              exit 0
          }
        working-directory: src/github.com/containerd/containerd

      - name: Release content
        id: contentrel
        run: |
          RELEASEVER=${{ github.ref }}
          echo "stringver=${RELEASEVER#refs/tags/api/v}" >> $GITHUB_OUTPUT
          git tag -l ${RELEASEVER#refs/tags/} -n20000 | tail -n +3 | cut -c 5- >release-notes.md
        working-directory: src/github.com/containerd/containerd

      - name: Save release notes
        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: containerd-release-notes
          path: src/github.com/containerd/containerd/release-notes.md

  release:
    name: Create containerd Release
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/api/v')
    permissions:
      contents: write
    runs-on: ubuntu-24.04
    timeout-minutes: 10
    needs: [check]
    steps:
      - name: Download release notes
        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
        with:
          path: builds
      - name: Create Release
        uses: softprops/action-gh-release@e7a8f85e1c67a31e6ed99a94b41bd0b71bbee6b8 # v2.0.9
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          fail_on_unmatched_files: true
          name: containerd API ${{ needs.check.outputs.stringver }}
          draft: false
          make_latest: false
          prerelease: ${{ contains(github.ref, 'beta') || contains(github.ref, 'rc') }}
          body_path: ./builds/containerd-release-notes/release-notes.md