prepare_release.yml

name: Prepare Release

permissions: {}

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to release (without v prefix, e.g. 4.9.1 or 4.10.0-beta.0)'
        required: true
        type: string

concurrency:
  group: ${{ github.workflow }}-${{ github.ref_name }}
  cancel-in-progress: true

jobs:
  prepare:
    if: github.repository == 'node-modules/urllib'
    name: Prepare Release
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
        with:
          # Always base the release branch on master, regardless of the ref the
          # workflow was dispatched from.
          ref: master
          fetch-depth: 0

      - name: Validate and bump version
        env:
          VERSION: ${{ inputs.version }}
        run: |
          set -euo pipefail
          # Require semver without a leading "v", e.g. 4.9.1 or 4.10.0-beta.0
          if ! echo "$VERSION" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+(-[0-9A-Za-z.]+)?$'; then
            echo "::error::Invalid version '$VERSION'. Expected semver without 'v' prefix, e.g. 4.9.1 or 4.10.0-beta.0"
            exit 1
          fi
          sed -i -E "s/^([[:space:]]*\"version\":[[:space:]]*)\"[^\"]+\"/\1\"$VERSION\"/" package.json
          grep -qF "\"version\": \"$VERSION\"" package.json || { echo "::error::Failed to update package.json"; exit 1; }
          echo "Updated package.json to $VERSION"

      - name: Create pull request
        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
        with:
          commit-message: 'release: v${{ inputs.version }}'
          title: 'release: v${{ inputs.version }}'
          branch: release/v${{ inputs.version }}
          base: master
          body: |
            Release urllib v${{ inputs.version }}.

            Merging this PR updates the version on `master` and triggers the release
            workflow, which publishes to npm and creates the GitHub Release after
            manual approval.
          assignees: fengmk2