release-packages.yaml

name: Create package releases

permissions:
  contents: write

on:
  push:
    tags:
      - "js/**"
      - "python/**"

jobs:
  release:
    name: Publish GitHub release for npm package
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Check if release already exists
        id: release_check
        uses: actions/github-script@v8
        with:
          github-token: ${{ secrets.RELEASE_GH_TOKEN }}
          script: |
            const tag = context.ref.replace('refs/tags/', '');
            try {
              const release = await github.rest.repos.getReleaseByTag({
                owner: context.repo.owner,
                repo: context.repo.repo,
                tag,
              });
              core.notice(`Release already exists: ${release.data.html_url}`);
              core.setOutput('exists', 'true');
            } catch (error) {
              if (error.status === 404) {
                core.setOutput('exists', 'false');
              } else {
                throw error;
              }
            }

      - name: Build release body from package CHANGELOG
        id: release_body
        if: ${{ steps.release_check.outputs.exists != 'true' }}
        shell: bash
        run: |
          set -euo pipefail

          tag="${GITHUB_REF_NAME}"
          body_file="${RUNNER_TEMP}/release-body.md"

          if [[ "$tag" != *"@"* ]]; then
            echo "Invalid tag '${tag}': missing '@<version>' suffix" >&2
            exit 1
          fi

          version="${tag##*@}"
          changelog_path=""

          if [[ "$tag" == js/* ]]; then
            pkg_and_version="${tag#js/}"
            pkg_name="${pkg_and_version%@*}"
            scoped_name="@human-protocol/${pkg_name}"
            pkg_json=$(grep -R --include package.json -n "\"name\": \"${scoped_name}\"" packages | head -n 1 | cut -d: -f1 || true)
            if [[ -n "$pkg_json" ]]; then
              changelog_path="$(dirname "$pkg_json")/CHANGELOG.md"
            fi
          elif [[ "$tag" == python/* ]]; then
            changelog_path="packages/sdk/python/human-protocol-sdk/CHANGELOG.md"
          fi

          if [[ -z "$changelog_path" ]]; then
            echo "Unable to resolve CHANGELOG.md path for tag '${tag}'" >&2
            exit 1
          fi

          if [[ ! -f "$changelog_path" ]]; then
            echo "CHANGELOG.md not found at '${changelog_path}' for tag '${tag}'" >&2
            exit 1
          fi

          # Extract the section for the exact version in the tag.
          section_body=$(awk -v ver="$version" '
            $0 ~ "^##[[:space:]]+" ver "[[:space:]]*$" { in_section=1; next }
            in_section && $0 ~ "^##[[:space:]]+" { exit }
            in_section { print }
          ' "$changelog_path" | sed '/./,$!d' || true)

          if [[ -z "$section_body" ]]; then
            echo "No CHANGELOG entry found for version '${version}' in '${changelog_path}'" >&2
            exit 1
          fi

          printf "%s\n" "$section_body" > "$body_file"

          echo "path=$body_file" >> "$GITHUB_OUTPUT"

      - name: Create GitHub release
        id: release
        if: ${{ steps.release_check.outputs.exists != 'true' }}
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.ref_name }}
          name: ${{ github.ref_name }}
          body_path: ${{ steps.release_body.outputs.path }}
        env:
          GITHUB_TOKEN: ${{ secrets.RELEASE_GH_TOKEN }}