# Auto-create a Gitea release when a vX.Y.Z tag is pushed.
# Image build/push is handled by Komodo, so this only cuts the release.
name: release
on:
  push:
    tags:
      - "v*"

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # need full history to diff against the previous tag

      - name: Create release from tag
        run: |
          TAG="${{ github.ref_name }}"
          PREV=$(git describe --tags --abbrev=0 "$TAG^" 2>/dev/null || true)
          RANGE="${PREV:+$PREV..}$TAG"
          LOG=$(git log --pretty='format:%s|%h' "$RANGE")

          group() { echo "$LOG" | awk -F'|' -v re="$1" '$1 ~ re { sub(re, "", $1); printf "- %s (%s)\n", $1, $2 }'; }
          BREAKING=$(group '^[a-z]+[^:]*!: ')
          FEATS=$(group '^feat[^:]*: ')
          FIXES=$(group '^fix[^:]*: ')
          OTHER=$(echo "$LOG" | awk -F'|' '$1 !~ /^(feat|fix)[^:]*!?: / { printf "- %s (%s)\n", $1, $2 }')

          BODY=""
          [ -n "$BREAKING" ] && BODY="$BODY### Breaking"$'\n'"$BREAKING"$'\n\n'
          [ -n "$FEATS" ]    && BODY="$BODY### Features"$'\n'"$FEATS"$'\n\n'
          [ -n "$FIXES" ]    && BODY="$BODY### Fixes"$'\n'"$FIXES"$'\n\n'
          [ -n "$OTHER" ]    && BODY="$BODY### Other"$'\n'"$OTHER"$'\n\n'
          [ -n "$PREV" ]     && BODY="$BODY**Full changelog:** ${{ github.server_url }}/${{ github.repository }}/compare/$PREV...$TAG"
          jq -n --arg tag "$TAG" --arg body "$BODY" \
            '{tag_name:$tag, name:$tag, body:$body}' \
            | curl -fsSL -X POST "${{ github.server_url }}/api/v1/repos/${{ github.repository }}/releases" \
                -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                -H "Content-Type: application/json" \
                --data @-