create-pre-release-pr.yml

name: Create Pre-Release PR

on:
  push:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}

permissions:
  contents: write
  pull-requests: write

env:
  NODE_VERSION: 20.14.0
  RELEASE_BRANCH: release/bumps
  BASE_BRANCH: main

jobs:
  check-releasable:
    name: Check if Releasable
    runs-on: ubuntu-latest
    outputs:
      is-releasable: ${{ steps.check-commit.outputs.is-releasable }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Check Last Commit
        id: check-commit
        run: |
          last_commit=$(git log -1 --pretty=%B)
          if [[ $last_commit == "chore(release): update versions and changelogs" ]]; then
            echo "is-releasable=false" >> $GITHUB_OUTPUT
          else
            echo "is-releasable=true" >> $GITHUB_OUTPUT
          fi

  create-release-pr:
    name: Create Release PR
    needs: check-releasable
    if: needs.check-releasable.outputs.is-releasable == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ env.BASE_BRANCH }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Restore Dependencies Cache
        uses: actions/cache@v4
        id: deps-cache
        with:
          path: |
            node_modules
            packages/releaser/node_modules
          key: deps-${{ runner.os }}-${{ hashFiles('package-lock.json') }}

      - name: Install Dependencies
        if: steps.deps-cache.outputs.cache-hit != 'true'
        run: npm ci -w packages/releaser

      - name: Generate Release Changes
        run: |
          npm run release -w apps/api -- --verbose --ci
          npm run release -w apps/deploy-web -- --verbose --ci
          npm run release -w apps/provider-proxy -- --verbose --ci

      - name: Get Base Branch SHA
        id: get-base-sha
        run: |
          echo "Getting base branch SHA..."
          SHA=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            "https://api.github.com/repos/${{ github.repository }}/git/refs/heads/${{ env.BASE_BRANCH }}" | \
            jq -r .object.sha)
          echo "base_sha=$SHA" >> $GITHUB_ENV

      - name: Check Existing PR
        id: check-pr
        run: |
          echo "Checking for existing PR..."
          PR_NUMBER=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            "https://api.github.com/repos/${{ github.repository }}/pulls?head=${{ github.repository_owner }}:${{ env.RELEASE_BRANCH }}&state=open" | \
            jq '.[0].number')
          echo "pr_number=$PR_NUMBER" >> $GITHUB_ENV

      - name: Commit Changes
        run: |
          echo "Creating release commit..."
          FILES_CHANGED=$(git status --porcelain | awk '{print $2}')
          TREE_ITEMS="["
          COMMA=""
          for file in $FILES_CHANGED; do
            MODE=$(git ls-files --stage "$file" | awk '{print $1}' || echo "100644")
            CONTENT=$(cat "$file" | jq -Rs .)
            TREE_ITEMS="${TREE_ITEMS}${COMMA}{\"path\":\"$file\",\"mode\":\"${MODE}\",\"type\":\"blob\",\"content\":${CONTENT}}"
            COMMA=","
          done
          TREE_ITEMS="${TREE_ITEMS}]"

          TREE_SHA=$(curl -s -X POST -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -d "{\"base_tree\":\"${{ env.base_sha }}\",\"tree\":${TREE_ITEMS}}" \
            "https://api.github.com/repos/${{ github.repository }}/git/trees" | jq -r .sha)

          COMMIT_SHA=$(curl -s -X POST -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -d "{\"message\":\"chore(release): update versions and changelogs\",\"tree\":\"${TREE_SHA}\",\"parents\":[\"${{ env.base_sha }}\"]}" \
            "https://api.github.com/repos/${{ github.repository }}/git/commits" | jq -r .sha)

          BRANCH_RESPONSE=$(curl -s -X PATCH -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -d "{\"sha\":\"${COMMIT_SHA}\",\"force\":true}" \
            "https://api.github.com/repos/${{ github.repository }}/git/refs/heads/${{ env.RELEASE_BRANCH }}")

          if [[ $(echo "$BRANCH_RESPONSE" | jq -r '.message // empty') == "Reference does not exist" ]]; then
            echo "Creating release branch..."
            curl -s -X POST -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
              -d "{\"ref\":\"refs/heads/${{ env.RELEASE_BRANCH }}\",\"sha\":\"${COMMIT_SHA}\"}" \
              "https://api.github.com/repos/${{ github.repository }}/git/refs"
          else
            echo "Updated release branch"
          fi

          echo "commit_sha=$COMMIT_SHA" >> $GITHUB_ENV

      - name: Create Pull Request
        if: env.pr_number == 'null'
        run: |
          echo "Creating release PR..."
          curl -s -X POST -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -d "{\"title\":\"chore(release): update versions and changelogs\", \"head\":\"${{ env.RELEASE_BRANCH }}\", \"base\":\"${{ env.BASE_BRANCH }}\", \"body\":\"This PR updates versions and changelogs for the next release. Merging will trigger release workflows.\"}" \
            "https://api.github.com/repos/${{ github.repository }}/pulls"