release.yml

name: Create Release

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      tag_name:
        description: 'Tag name for the release'
        required: true
        default: 'v1.0.0'
      release_type:
        description: 'Release type (stable, beta, rc)'
        required: true
        default: 'stable'

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Install GitHub CLI
        run: |
          sudo apt-get update
          sudo apt-get install -y gh

      - name: Authenticate GitHub CLI
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh auth setup-git

      - name: Determine release type
        id: release_type
        run: |
          TAG_NAME=${{ github.ref_name }}
          if [[ "$TAG_NAME" == *beta* ]]; then
            echo "release_type=Pre-release (Beta)" >> $GITHUB_ENV
            echo "prerelease=true" >> $GITHUB_ENV
          elif [[ "$TAG_NAME" == *rc* ]]; then
            echo "release_type=Pre-release (Release Candidate)" >> $GITHUB_ENV
            echo "prerelease=true" >> $GITHUB_ENV
          else
            echo "release_type=Stable" >> $GITHUB_ENV
            echo "prerelease=false" >> $GITHUB_ENV
          fi

      - name: Get commits since last tag
        id: commits
        run: |
          PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
          if [ -z "$PREV_TAG" ]; then
            echo "No previous tag found, using initial commit."
            COMMITS="<ul>"
            while read -r commit_hash; do
              COMMIT_MSG=$(git log -n 1 --pretty=format:"%s" "$commit_hash")
              AUTHOR=$(git log -n 1 --pretty=format:"%an" "$commit_hash")
              COMMITS+="<li>$COMMIT_MSG (@$AUTHOR)</li>"
            done < <(git log --format="%H" HEAD)
            COMMITS+="</ul>"
          else
            COMMITS="<ul>"
            declare -A FIXUPS

            # Iterace přes všechny commity od posledního tagu
            while read -r commit_hash; do
              COMMIT_MSG=$(git log -n 1 --pretty=format:"%s" "$commit_hash")
              AUTHOR=$(git log -n 1 --pretty=format:"%an" "$commit_hash")

              # Kontrola, zda jde o fixup commit
              if [[ "$COMMIT_MSG" == fixup!* ]]; then
                ORIGINAL_HASH=$(git log -n 1 --format="%H" "$commit_hash"^)
                FIXUPS["$ORIGINAL_HASH"]+="$commit_hash "
                continue
              fi

              # Hledání uzavřených issue nebo PR pro tento commit
              COMMIT_URL="https://github.com/${{ github.repository }}/commit/$commit_hash"
              echo "Checking commit: $COMMIT_URL"
          
              ISSUE_URLS=$(gh api "/repos/${{ github.repository }}/issues?state=closed" --jq "[.[] | select(.body != null and .body | contains(\"$COMMIT_URL\"))][].html_url" || echo "")
              PR_URLS=$(gh api "/repos/${{ github.repository }}/pulls?state=closed" --jq "[.[] | select(.body != null and .body | contains(\"$COMMIT_URL\"))][].html_url" || echo "")

              # Zpracování běžného commitu
              COMMITS+="<li>$COMMIT_MSG (@$AUTHOR)"

              # Přidání fixup commitů k původnímu commitu, pokud existují
              if [[ -n "${FIXUPS[$commit_hash]}" ]]; then
                FIXUP_HASHES=$(echo "${FIXUPS[$commit_hash]}" | tr ' ' ', ')
                COMMITS+=" (fixups: $FIXUP_HASHES)"
              fi

              # Přidání odkazů na uzavřená issue nebo PR
              if [[ -n "$ISSUE_URLS" ]]; then
                COMMITS+=" (Referenced in Issues: $ISSUE_URLS)"
              fi
              if [[ -n "$PR_URLS" ]]; then
                COMMITS+=" (Referenced in PRs: $PR_URLS)"
              fi

              COMMITS+="</li>"
            done < <(git log --format="%H" $PREV_TAG..HEAD)
            COMMITS+="</ul>"
          fi

          # Odstranění nechtěných znaků
          COMMITS=$(echo "$COMMITS" | sed 's/[[:cntrl:]]//g')
          echo "commits=$COMMITS" >> $GITHUB_ENV
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create release
        uses: ncipollo/release-action@v1
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag: ${{ github.ref_name }}
          body: |
            ${{ env.commits }}
          draft: false
          prerelease: ${{ env.prerelease }}
          name: ${{ github.ref_name }} - ${{ env.release_type }}