update-snapshot.yml

name: update-snapshot

on:
  workflow_run:
    workflows: [build]
    types: [completed]

jobs:
  on-failure:
    runs-on: ubuntu-latest
    container:
      image: jsii/superchain:1-buster-slim-node16
    if: ${{ github.event.workflow_run.conclusion == 'failure' }}
    env:
      CI: "true"
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: main
          fetch-depth: 0
      - name: Setup Ruby
        run: sudo apt-get update ; sudo apt-get install -y ruby
      - name: Install dependencies
        run: yarn install --check-files --frozen-lockfile
      - name: Snapshot main
        run: |
          npm run bundle
          npm run integ:default:snapshot
      - name: Switch to branch
        env:
          BRANCH: ${{ github.event.workflow_run.head_branch }}
        run: git checkout "$BRANCH"
      - name: Install dependencies
        run: yarn install --check-files --frozen-lockfile
      - name: Snapshot branch
        run: |
          npm run bundle
          npm run integ:default:snapshot
      - name: Find mutations
        id: create_patch
        run: |-
          git add .
          git diff --staged --patch --exit-code || echo "patch_created=true" >> $GITHUB_OUTPUT
      # upload snapshot (including assets from both main and branch) for easy diffing
      - name: Diff
        if: steps.create_patch.outputs.patch_created
        working-directory: test/default.integ.snapshot
        continue-on-error: true
        run: |-
          git diff --staged -U0 | grep '"path":' | cut -d '"' -f 4 | xargs -rL 2 diff -ruN > /tmp/assets.diff
      - name: Upload assets.diff
        if: steps.create_patch.outputs.patch_created
        uses: actions/upload-artifact@v4
        with:
          name: assets.diff
          path: /tmp/assets.diff
      - name: Upload snapshot
        if: steps.create_patch.outputs.patch_created
        uses: actions/upload-artifact@v4
        with:
          name: snapshot
          path: test/default.integ.snapshot
      - name: Set git identity
        if: steps.create_patch.outputs.patch_created
        run: |-
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"
      # create a PR against the dependencies update PR for a proper snapshot
      - name: Create Pull Request
        if: steps.create_patch.outputs.patch_created
        uses: peter-evans/create-pull-request@v6
        with:
          token: ${{ secrets.PROJEN_GITHUB_TOKEN }}
          commit-message: |-
            chore(deps): update snapshot

            Update snapshot. See details in [workflow run].

            [Workflow Run]: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}

            ------

            *Automatically created by projen via the "upgrade-snapshot" workflow*
          branch: ${{ github.event.workflow_run.head_branch }}-upgrade-snapshot
          title: "chore(deps): update snapshot"
          body: |-
            Update snapshot. See details in [workflow run].

            [Workflow Run]: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}

            ------

            *Automatically created by projen via the "upgrade-snapshot" workflow*
          author: github-actions <github-actions@github.com>
          committer: github-actions <github-actions@github.com>
          signoff: true