bump-version.yaml

name: Bump Version

on:
  workflow_dispatch:
    inputs:
      tag:
        description: "Version tag (e.g., v1, v2)"
        required: true
        type: string
      commit_sha:
        description: "Commit SHA to tag (optional, defaults to latest main)"
        required: false
        type: string

jobs:
  bump-version:
    runs-on: blacksmith-2vcpu-ubuntu-2204
    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Validate inputs and determine commit
        id: validate
        run: |
          tag="${{ github.event.inputs.tag }}"
          commit_sha="${{ github.event.inputs.commit_sha }}"

          # Check if tag already exists
          if git rev-parse "$tag" >/dev/null 2>&1; then
            echo "Tag $tag already exists"
            echo "action=update" >> $GITHUB_OUTPUT
          else
            echo "Tag $tag does not exist, will create new tag"
            echo "action=create" >> $GITHUB_OUTPUT
          fi

          # Determine which commit to use
          if [ -n "$commit_sha" ]; then
            # Validate the commit SHA exists and is on main
            if git rev-parse "$commit_sha" >/dev/null 2>&1; then
              # Check if commit is on main branch
              if git merge-base --is-ancestor "$commit_sha" origin/main; then
                echo "Using provided commit SHA: $commit_sha"
                echo "target_commit=$commit_sha" >> $GITHUB_OUTPUT
              else
                echo "Error: Commit $commit_sha is not on main branch"
                exit 1
              fi
            else
              echo "Error: Commit SHA $commit_sha does not exist"
              exit 1
            fi
          else
            # Use latest commit on main
            latest_commit=$(git rev-parse origin/main)
            echo "Using latest commit on main: $latest_commit"
            echo "target_commit=$latest_commit" >> $GITHUB_OUTPUT
          fi

          echo "tag=$tag" >> $GITHUB_OUTPUT

      - name: Create or update tag
        run: |
          git config user.name github-actions[bot]
          git config user.email github-actions[bot]@users.noreply.github.com

          tag="${{ steps.validate.outputs.tag }}"
          target_commit="${{ steps.validate.outputs.target_commit }}"
          action="${{ steps.validate.outputs.action }}"

          if [ "$action" = "update" ]; then
            # Update existing tag (force)
            git tag -fa "$tag" "$target_commit" -m "Update $tag to commit $target_commit"
            git push origin "$tag" --force
          else
            # Create new tag
            git tag -a "$tag" "$target_commit" -m "Release $tag from commit $target_commit"
            git push origin "$tag"
          fi

      - name: Send Slack notification on success
        uses: slackapi/slack-github-action@v1
        with:
          payload: |
            {
              "text": "${{ steps.validate.outputs.action == 'create' && 'Created' || 'Updated' }} cache-delete tag ${{ steps.validate.outputs.tag }} pointing to commit ${{ steps.validate.outputs.target_commit }}"
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.CACHE_SLACK_WEBHOOK_URL }}