create-github-release.yml

name: Create GitHub Release

on:
  pull_request:
    types: [closed]
    branches: [main]

permissions:
  contents: write

jobs:
  release:
    if: github.event_name == 'pull_request' && github.event.pull_request.merged == true && startsWith(github.event.pull_request.head.ref, 'automation/docs-')
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ github.token }}
    steps:
      - uses: actions/checkout@v7
        with:
          ref: main

      - uses: actions/setup-node@v7
        with:
          node-version: "22"

      - name: Extract and validate version
        id: ver
        env:
          PR_HEAD_REF: ${{ github.event.pull_request.head.ref }}
        run: |
          set -eu
          branch="$PR_HEAD_REF"
          ver="${branch#automation/docs-}"
          echo "$ver" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+)?$' || {
            echo "ERROR: Cannot extract valid version from branch: $branch" >&2
            exit 1
          }
          echo "ver=$ver" >> "$GITHUB_OUTPUT"

      - name: Verify npm publish exists
        run: |
          set -eu
          ver="${{ steps.ver.outputs.ver }}"
          published=$(npm view "@bash0816/codex-termux@${ver}" version 2>/dev/null || echo "")
          if [ "$published" != "$ver" ]; then
            echo "ERROR: @bash0816/codex-termux@${ver} not published on npm" >&2
            exit 1
          fi
          echo "Confirmed: @bash0816/codex-termux@${ver} is published"

      - name: Resolve previous version
        id: prev
        run: |
          set -eu
          ver="${{ steps.ver.outputs.ver }}"
          previous_ver="$(npm view @bash0816/codex-termux versions --json 2>/dev/null \
            | python3 -c "import sys,json; vers=json.load(sys.stdin); t='${ver}'; idx=next((i for i,v in enumerate(vers) if v==t),None); print(vers[idx-1] if idx and idx>0 else '')" 2>/dev/null || echo "")"
          if [ -z "$previous_ver" ]; then
            echo "ERROR: Cannot determine previous version for rollback" >&2
            exit 1
          fi
          echo "previous_ver=$previous_ver" >> "$GITHUB_OUTPUT"

      - name: Create GitHub Release
        run: |
          set -eu
          ver="${{ steps.ver.outputs.ver }}"
          previous_ver="${{ steps.prev.outputs.previous_ver }}"
          tag="v${ver}"
          if gh release view "$tag" --repo "$GITHUB_REPOSITORY" > /dev/null 2>&1; then
            echo "Release $tag already exists, skipping"
            exit 0
          fi
          release_notes=$(awk -v ver="$ver" 'BEGIN{f=0} $0=="## " ver " — " substr($0, length("## " ver " — ")+1) || ($0 ~ "^## " && index($0, "## " ver " ")>0){f=1;next} f && /^### /{exit} f && /^## /{exit} f{print}' RELEASES.md | sed '/^[[:space:]] *$/d')
          if [ -z "$release_notes" ]; then
            release_notes="upstream openai/codex@${ver} 追従。"
          fi
          release_body_file="$(mktemp)"
          {
            printf "## codex-termux v%s\n\n" "$ver"
            printf "%s\n\n" "$release_notes"
            printf "### Install\n\`\`\`sh\nnpm install -g @bash0816/codex-termux@%s\n\`\`\`\n\n" "$ver"
            printf "### Rollback\n\`\`\`sh\nnpm install -g @bash0816/codex-termux@%s\n\`\`\`\n" "$previous_ver"
          } >"$release_body_file"
          npm_latest=$(npm view @bash0816/codex-termux dist-tags.latest 2>/dev/null || echo "")
          if [ "$ver" = "$npm_latest" ]; then
            latest_flag="--latest"
          else
            latest_flag="--latest=false"
          fi
          gh release create "$tag" \
            --repo "$GITHUB_REPOSITORY" \
            --title "codex-termux v${ver}" \
            --notes-file "$release_body_file" \
            --target main \
            $latest_flag
          echo "Created release $tag"