test.yml

name: Test github-update-submodules CLI, release update-submodules to PyPI
on:
  push:
    branches: [ main, test ]
    tags: [ v* ]
  workflow_dispatch:
    inputs:
      ref:
        description: 'runsascoded/update-submodules repo ref to install'
      init:
        description: "Initial commit SHA to initialize this test's branch to"
        default: 'b72d4de78127f569d106e665767298a5004baffa'
env:
  GH_TOKEN: ${{ github.token }}
jobs:
  test:
    name: Test github-update-submodules
    runs-on: ubuntu-latest
    env:
      init: ${{ inputs.init || 'b72d4de78127f569d106e665767298a5004baffa' }}
    steps:
      - name: Set env vars
        run: |
          # Store the triggering branch (cf. https://github.com/github/docs/issues/15319#issuecomment-1662257301)
          echo "REF=${{ inputs.ref || (github.event.pull_request && github.head_ref || github.ref_name) }}" >> $GITHUB_ENV
          # Store a temporary branch name in `$branch`
          echo "branch=test-${{ github.run_id }}" >> $GITHUB_ENV
      - name: Initialize test branch
        uses: runsascoded/tmp-branch-action@v1
        with:
          branch: ${{ env.branch }}
          sha: ${{ env.init }}
      - name: Install update-submodules
        run: pip install git+https://github.com/$GITHUB_REPOSITORY@$REF
      - name: Update submodules
        id: update
        run: github-update-submodules -b$branch
      - run: "echo \"steps.update.outputs.commit: ${{ steps.update.outputs.commit }}\""
      - name: Wait for `gh api` to reflect new commit on branch
        run: |
          i=0
          n=5
          while [ 1 ]; do
            commit="$(gh api /repos/$GITHUB_REPOSITORY/git/ref/heads/$branch | jq -r .object.sha)"
            if [ $commit != $init ] || [ $i -ge $n ]; then break; fi
            echo "$i/$n: waiting for branch $branch to show a commit other than $init (expected ${{ steps.update.outputs.commit }})…"
            sleep 1
            let i=$i+1
          done
          if [ $i -ge $n ]; then
            msg=Branch $branch still shows commit $init after $n seconds
            echo "::error::$msg"
            echo "$msg"
            exit 1
          elif [ $i -gt 0 ]; then
            msg="Branch $branch took $n seconds to update from initial value $init"
            echo "::warning::$msg"
            echo "$msg"
          fi
      - name: Verify submodule updates
        run: |
          echo "Branch $branch"
          commit="$(gh api /repos/$GITHUB_REPOSITORY/git/ref/heads/$branch | jq -r .object.sha)"
          echo "commit: $commit"
          tree="$(gh api /repos/$GITHUB_REPOSITORY/git/commits/$commit | jq -r .tree.sha)"
          echo "tree: $tree"
          elems="$(gh api /repos/$GITHUB_REPOSITORY/git/trees/$tree | jq -c '.tree | map({ "key": .path, "value": .sha }) | from_entries')"
          expected='{".gitmodules":"7816159e836aec22afcbcb75f56f706883890054","test0":"f398921287dae85b39c97f5273f8a8a9ebdc76d7","test1":"65d3b0bef66bfb952f14c70e22cbe78aa9613e97"}'
          echo "elems:    $elems"
          echo "expected: $expected"
          [ "$elems" == "$expected" ] && echo 'Success!'
  release:
    name: Release `update-submodules` to PyPI
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
    needs: test
    runs-on: ubuntu-latest
    steps:
        - uses: actions/checkout@v3
        - uses: actions/setup-python@v4
          with:
            python-version: '3.9'
        - run: pip install -e .
        - name: Build, release
          env:
            TWINE_USERNAME: __token__
            TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
          run: |
            pip install setuptools twine wheel
            python setup.py sdist bdist_wheel
            twine upload dist/*