Create Git Optimizer.yml

Author: withinJoel

.github/workflows/Git Optimizer.yml

@@ -0,0 +1,60 @@
+name: Git Optimizer
+
+on:
+  schedule:
+    - cron: "30 18 * * 6"   # Runs every Sunday at 00:00 IST (18:30 UTC Saturday)
+  workflow_dispatch:
+
+permissions:
+  actions: write
+  contents: read
+
+jobs:
+  optimize:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout full history
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Skip if no commits in last 7 days
+        run: |
+          LAST_COMMIT_DATE=$(git log -1 --pretty="%ct")
+          SEVEN_DAYS_AGO=$(date -d "7 days ago" +%s)
+
+          if [ "$LAST_COMMIT_DATE" -lt "$SEVEN_DAYS_AGO" ]; then
+            echo "⏩ No activity in last 7 days. Skipping optimization."
+            exit 0
+          fi
+
+          echo "✔ Recent commits detected. Continuing..."
+
+      - name: Lightweight Git GC
+        run: git gc --auto
+
+      - name: Compact loose objects
+        run: git repack -d
+
+      - name: Update commit-graph
+        run: git commit-graph write --reachable --changed-paths
+
+      - name: Cleanup GitHub Actions caches
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const caches = await github.rest.actions.getActionsCacheList({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+            });
+
+            for (const cache of caches.data.actions_caches) {
+              await github.rest.actions.deleteActionsCacheById({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                cache_id: cache.id
+              });
+            }
+
+            console.log("Done.");