createPullRequest.yml

name: Create new version pull request

on:
  push:
    branches:
      - 'v*'

permissions:
  contents: read
  pull-requests: write

jobs:
  check-branch-name:
    name: Check branch name
    if: github.repository == 'adjust/web_sdk'
    runs-on: ubuntu-latest
    outputs:
      skip: ${{ steps.gate.outputs.skip }}

    steps:
      - uses: actions/checkout@v4

      - name: Branch must match VERSION
        id: gate
        shell: bash
        run: |
          # Enable strict bash mode:
          # -e - exit immediately if any command fails
          # -u - treat unset variables as an error
          # -o pipefail - fail the script if any command in a pipeline fails
          set -euo pipefail

          BRANCH="${{ github.ref_name }}"
          VERSION="$(tr -d ' \t\r\n' < VERSION)"
          EXPECTED="v$VERSION"

          if [[ "$BRANCH" != "$EXPECTED" ]]; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
            echo "Skipping: branch '$BRANCH' != '$EXPECTED' (from VERSION)."
            exit 0
          fi

          echo "skip=false" >> "$GITHUB_OUTPUT"
          echo "OK: branch matches VERSION ($BRANCH)."

  create-pull-request:
    name: Create pull request
    needs: [check-branch-name]
    if: needs.check-branch-name.outputs.skip != 'true' && github.repository == 'adjust/web_sdk'
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    steps:
      - uses: actions/checkout@v4

      - name: Create PR (idempotent)
        shell: bash
        run: |
          set -euo pipefail

          BRANCH="${{ github.ref_name }}"
          BASE="master"
          TITLE="Bump version to $BRANCH"

          # If PR already exists for this head/base, do nothing.
          count=$(gh pr list -B "$BASE" -H "$BRANCH" --json number --jq 'length')
          if (( count > 0 )); then
            echo "Pull request already exists. Skipping without failing."
            exit 0
          fi

          gh pr create -B "$BASE" -H "$BRANCH" --title "$TITLE" --body ""
          echo "Pull request successfully created."

  check-dist-is-up-to-date:
    name: Check dist is up to date
    needs: [check-branch-name, create-pull-request]
    if: always() && needs.check-branch-name.outputs.skip != 'true' && github.repository == 'adjust/web_sdk'
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20.19.2'
          check-latest: true
          cache: "npm"

      - name: Verify dist is up to date
        shell: bash
        run: |
          set -euo pipefail

          npm ci
          npm run build

          if git status --porcelain -- dist/ | grep -q .; then
            echo "ERROR: npm run build produced changes in dist/:"
            git status --porcelain -- dist/
            exit 1
          fi

          echo "OK: dist/ is up to date."