ci: Set up AppMap

.github/workflows/main.yml

@@ -1,18 +1,60 @@
 name: Main
 
 on:
+  push:
+    branches:
+      - main
   pull_request:
+  schedule:
+    - cron: '0 0 * * 0'
+
+permissions:
+  # Allows the EndBug/add-and-commit step to commit the package manager changes,
+  # adding the AppMap language library and configuration file appmap.yml.
+  # Once the EndBug/add-and-commit is removed, this permission can be removed, 
+  # unless you need it for other reasons.
+  contents: write
+
+  # Allows the getappmap/archive-action to write a PR comment with the 
+  # AppMap configuration status.
+  pull-requests: write
 
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
 
+      # Begin AppMap CI language agent installation.
+      # This snippet can be safely removed once the AppMap language agent has been
+      # added to the project dependencies, and appmap.yml has been created.
+      - name: Enable appmap gem update
+        run: bundle config unset deployment
+      - name: Install AppMap tools
+        id: install-appmap
+        uses: getappmap/install-action@v1
+        with:
+          project-type: bundler
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          message: "ci: Add AppMap language agent and appmap.yml"
+      # End AppMap CI language agent installation
+
       - name: Run tests
         run: bundle exec rails test
+
+      # Begin AppMap bootstrap archive step
+      - name: Archive AppMaps
+        id: appmap-bootstrap-archive-appmaps
+        uses: getappmap/archive-action@v1
+        with:
+          revision: ${{ github.event.pull_request.base.sha }}
+      # End AppMap bootstrap archive step