Generate diagram into an assets branch

.github/workflows/lint.yml

@@ -23,3 +23,17 @@ jobs:
         run: npm install
       - name: Run the linter
         run: ./lint
+      - name: Create the diagram
+        run: ./diagram > diagram.md
+      - name: Save the diagram
+        run: |
+          git add diagram.md
+          git status
+          git remote -v
+          new_branch="${{ github.ref_name }}-diagram"
+          git branch -D "${new_branch}" || :
+          git checkout -b "${new_branch}"
+          git config user.name "${{ github.workflow }}"
+          git config user.email "[email protected]"
+          git commit -m "Diagram saved by lint.yml workflow"
+          git push --set-upstream "$( git remote )" --force "${new_branch}"

diagram

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -euo pipefail
+
+cat <<MERMAID
+\`\`\`mermaid
+graph TD;
+    A-->B;
+    A-->C;
+    B-->D;
+    C-->D;
+    D-->E;
+    E["generated at $( date )"]
+\`\`\`
+MERMAID