action.yml

name: Extract YouTrack issues
description: Extract YouTrack issues

outputs:
  issues:
    description: "The issues ids"
    value: ${{ steps.extract-youtrack-issues.outputs.issues }}

runs:
  using: "composite"
  steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Find YouTrack issue id from PR description
      run: |
        if [ -n "${{ github.event.pull_request }}" ]; then
          text=$(cat << "EOF"
          ${{ github.event.pull_request.body }}
        EOF
          )
        else
          last_tag=$(git rev-parse $(git describe --abbrev=0 --tags HEAD^))
          echo "Last tag commit: $last_tag"
          text=$(git log --pretty=format:"%B" $last_tag..HEAD)
        fi
        readarray -t issues_ids < <(echo "$text" | grep -oP '(#|\^)\K\w+-\d+' | sort | uniq)
        if [ ${#issues_ids[@]} -eq 0 ]; then
          echo "No issues found"
          issues="[]"
        else
          issues=$(printf '%s\n' "${issues_ids[@]}" | jq -R . | jq -s . | jq -c .)
        fi
        echo "issues_ids=$issues"
        echo "issues_ids=$issues" >> "$GITHUB_ENV"
      shell: bash

    - name: Output issues
      id: extract-youtrack-issues
      run: |
        echo 'issues=${{ env.issues_ids }}'
        echo 'issues=${{ env.issues_ids }}' >> "$GITHUB_OUTPUT"
      shell: bash