changesets.yml

name: Surface PR Changesets

on: pull_request_target

permissions:
  pull-requests: write
  checks: write
  statuses: write

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Get changed files in the .changeset folder
        run: |
          {
            echo "all_changed_files<<EOF"
            git diff --name-only origin/main -- .changeset
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Check if any changesets contain minor or major changes
        id: check
        run: |
          echo "Checking for changesets marked as minor or major"
          echo "found=false" >> $GITHUB_OUTPUT

          regex="[\"']astro[\"']: (minor|major)"
          for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
              if [[ $(cat $file) =~ $regex ]]; then
                  version="${BASH_REMATCH[1]}"
                  echo "version=$version" >> $GITHUB_OUTPUT
                  echo "found=true" >> $GITHUB_OUTPUT
                  echo "$file has a $version release tag"
              fi
          done

      - name: Add label
        uses: actions/github-script@v6
        if: steps.check.outputs.found == 'true'
        env:
          issue_number: ${{ github.event.number }}
        with:
          script: |
            github.rest.issues.addLabels({
              issue_number: process.env.issue_number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ['semver: ${{ steps.check.outputs.version }}']
            });