alpha-releases.yaml

name: alpha releases

on:
  push:
    branches:
      - 'release/*'

jobs:
  tag-release:
    permissions:
      contents: write
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.ref }}
          token: ${{ secrets.EPOBOT_TOKEN }}
      - name: Get latest release version for this release branch
        if: startsWith(github.ref, 'refs/heads/release/')
        id: latest_version
        run: |
          # Extract suffix from branch name (e.g., 'dencun' from 'release/dencun')
          RELEASE_SUFFIX=${GITHUB_REF#refs/heads/release/}

          # Fetch all tags and get the latest that matches the pattern
          # Using the refs/tags API
          LATEST_VERSION=$(curl --silent "https://api.github.com/repos/$GITHUB_REPOSITORY/git/refs/tags" \
                      | jq -r --arg suffix "$RELEASE_SUFFIX" '.[] | select(.ref | test("refs/tags/v?[0-9]+\\.[0-9]+\\.[0-9]+-" + $suffix + "$")) | .ref' \
                      | sed 's|refs/tags/||' | sort -V | tail -n 1)
          echo "Found latest $RELEASE_SUFFIX version: $LATEST_VERSION"

          # Default to 0.0.0 if no matching release was found
          if [[ -z "$LATEST_VERSION" ]]; then
            LATEST_VERSION="0.0.0"
          fi

          # Increment the patch version using bash
          LATEST_VERSION=$(echo "$LATEST_VERSION" | awk -F. -v OFS=. '{$NF = $NF + 1;} 1')

          VERSION=$LATEST_VERSION-$RELEASE_SUFFIX

          echo "Releasing version: $VERSION"

          git config --global user.email "ethpandaopsbot@ethereum.org"
          git config --global user.name "ethpandaopsbot"

          # Log the short commit SHA
          SHORT_COMMIT=$(git rev-parse --short HEAD)

          echo "Git commit: $SHORT_COMMIT"

          git tag -a "$VERSION" -m "Release $VERSION"

          echo "RELEASE_SUFFIX=$RELEASE_SUFFIX" >> $GITHUB_ENV

          # Push the tag
          git push origin "$VERSION" 
        env:
          GITHUB_TOKEN: ${{ secrets.EPOBOT_TOKEN }}