Add UI refresh pipeline

Author: simonbrauner

.github/workflows/ci-cd.yml

@@ -8,10 +8,18 @@ on:
   push:
     branches:
       - main
+  workflow_run:
+    workflows:
+      - UI refresh pipeline
+    types:
+      - completed
   workflow_dispatch:
 
 jobs:
   build:
+    if: |
+      github.event_name != 'workflow_run'
+      || github.event.workflow_run.conclusion == 'success'
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/ui-refresh.yml

@@ -0,0 +1,28 @@
+name: UI refresh pipeline
+
+on:
+  schedule:
+    - cron: '49 4 * * *'
+  workflow_dispatch:
+
+jobs:
+  ui-refresh:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v6
+
+      - name: Randomize heading color
+        run: |
+          R=$((RANDOM%256))
+          G=$((RANDOM%256))
+          B=$((RANDOM%256))
+          NEW_COLOR=$(printf '%02x%02x%02x' "$R" "$G" "$B")
+          MARKER='0a271319-b06c-4e46-b24c-0fde677cf461'
+          sed -iE "s/[0-9a-f]\{6\}; \/\* $MARKER/$NEW_COLOR; \/\* $MARKER/g" static/style.css
+
+      - name: Commit and push changes
+        uses: stefanzweifel/git-auto-commit-action@v7
+        with:
+          commit_message: 'Refresh UI'