lynn_tcp 2.1.0

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  release:
    name: Create GitHub Release from update_logs
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Resolve release notes from docs/update_logs
        run: |
          set -euo pipefail
          TAG="${GITHUB_REF_NAME}"                 # e.g. v2.0.0-rc.2 / v1.2.5-release
          NO_V="${TAG#v}"                          # 2.0.0-rc.2 / 1.2.5-release
          NO_RELEASE="${NO_V%-release}"            # 2.0.0-rc.2 / 1.2.5
          CANDIDATES=(
            "docs/update_logs/${TAG}.md"
            "docs/update_logs/${NO_V}.md"
            "docs/update_logs/v${NO_RELEASE}.md"
            "docs/update_logs/${NO_RELEASE}.md"
          )
          NOTES_FILE=""
          for f in "${CANDIDATES[@]}"; do
            if [ -f "$f" ]; then
              NOTES_FILE="$f"
              break
            fi
          done
          if [ -z "$NOTES_FILE" ]; then
            echo "::warning::未找到与 tag ${TAG} 对应的更新日志（已尝试 ${CANDIDATES[*]}），使用默认说明。"
            printf '# %s\n\n> 未在 docs/update_logs/ 中找到与本 tag 对应的更新日志文件，请补充。\n' "$TAG" > release-notes.md
          else
            echo "使用更新日志: ${NOTES_FILE}"
            cp "$NOTES_FILE" release-notes.md
          fi

      - name: Create or update GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euo pipefail
          TAG="${GITHUB_REF_NAME}"
          if gh release view "$TAG" --repo "$GITHUB_REPOSITORY" > /dev/null 2>&1; then
            echo "Release ${TAG} 已存在，更新其内容。"
            gh release edit "$TAG" \
              --repo "$GITHUB_REPOSITORY" \
              --title "Release ${TAG}" \
              --notes-file release-notes.md
          else
            gh release create "$TAG" \
              --repo "$GITHUB_REPOSITORY" \
              --title "Release ${TAG}" \
              --notes-file release-notes.md \
              --verify-tag
          fi