release.yml

name: Publish release

on:
  push:
    branches: [master]
    paths:
      - package.json
      - CHANGELOG.md

permissions:
  contents: write

concurrency:
  group: publish-release
  cancel-in-progress: false

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-node@v4
        with:
          node-version: 22

      - name: Read package version
        id: version
        shell: bash
        run: |
          set -euo pipefail
          version=$(node -p "require('./package.json').version")
          echo "version=$version" >> "$GITHUB_OUTPUT"
          echo "tag=v$version" >> "$GITHUB_OUTPUT"

      - name: Prepare release notes
        shell: bash
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          set -euo pipefail
          awk -v heading="## [$VERSION]" '
            index($0, heading) == 1 { capture = 1; next }
            capture && /^## \[/ { exit }
            capture { print }
          ' CHANGELOG.md > release-notes.md

          if [ ! -s release-notes.md ]; then
            echo "OpenCode Agent Loop v$VERSION" > release-notes.md
          fi

      - name: Create tag and GitHub Release
        shell: bash
        env:
          GH_TOKEN: ${{ github.token }}
          TAG: ${{ steps.version.outputs.tag }}
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          set -euo pipefail
          if gh release view "$TAG" >/dev/null 2>&1; then
            echo "Release $TAG already exists; nothing to do."
            exit 0
          fi

          if git rev-parse -q --verify "refs/tags/$TAG" >/dev/null; then
            gh release create "$TAG" \
              --title "OpenCode Agent Loop v$VERSION" \
              --notes-file release-notes.md
          else
            gh release create "$TAG" \
              --target "$GITHUB_SHA" \
              --title "OpenCode Agent Loop v$VERSION" \
              --notes-file release-notes.md
          fi