fix(workflow): Fix perms & condition check

.github/workflows/pr-creator.yml

@@ -1,12 +1,19 @@
+
 name: Create PR from Dev to Default Branch
 on:
   workflow_dispatch:
   schedule:
     - cron: '30 18 * * 6'  # Runs every Saturday at midnight IST (adjust as needed)
 
+env:
+  TARGET_BRANCH=dev
+
 jobs:
   create-pr:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
 
     steps:
     - name: Checkout code
@@ -17,8 +24,15 @@ jobs:
         # Get the default branch name using GitHub API
         DEFAULT_BRANCH=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" "https://api.github.com/repos/${{ github.repository }}/branches/default" | jq -r .name)
 
-        # Create a PR from "dev" to the default branch
-        PR_URL=$(gh pr create --base master --head "dev" --title "Auto-generated PR" -t "Auto-generated PR" -b "Auto-generated PR")
+        CHANGES_COUNT=$(git rev-list --left-right --count origin/$TARGET_BRANCH...origin/$DEFAULT_BRANCH | awk '{print $1}')
+
+        if [ "$CHANGES_COUNT" -eq "0" ]; then
+          echo "No changes in the '$TARGET_BRANCH' branch. Skipping PR creation."
+          exit 0
+        else
+          # Create a PR from "$TARGET_BRANCH" to the default branch
+          PR_URL=$(gh pr create --base "$DEFAULT_BRANCH" --head "$TARGET_BRANCH" --title "Auto-generated PR" -t "Auto-generated PR" -b "Auto-generated PR")
+        fi
 
         echo "Created PR: $PR_URL"
       env: