Initial commit

src/github/operations/branch-cleanup.ts

@@ -0,0 +1,59 @@
+import type { Octokits } from "../api/client";
+import { GITHUB_SERVER_URL } from "../api/config";
+
+export async function checkAndDeleteEmptyBranch(
+  octokit: Octokits,
+  owner: string,
+  repo: string,
+  claudeBranch: string | undefined,
+  defaultBranch: string,
+): Promise<{ shouldDeleteBranch: boolean; branchLink: string }> {
+  let branchLink = "";
+  let shouldDeleteBranch = false;
+
+  if (claudeBranch) {
+    // Check if Claude made any commits to the branch
+    try {
+      const { data: comparison } =
+        await octokit.rest.repos.compareCommitsWithBasehead({
+          owner,
+          repo,
+          basehead: `${defaultBranch}...${claudeBranch}`,
+        });
+
+      // If there are no commits, mark branch for deletion
+      if (comparison.total_commits === 0) {
+        console.log(
+          `Branch ${claudeBranch} has no commits from Claude, will delete it`,
+        );
+        shouldDeleteBranch = true;
+      } else {
+        // Only add branch link if there are commits
+        const branchUrl = `${GITHUB_SERVER_URL}/${owner}/${repo}/tree/${claudeBranch}`;
+        branchLink = `\n[View branch](${branchUrl})`;
+      }
+    } catch (error) {
+      console.error("Error checking for commits on Claude branch:", error);
+      // If we can't check, assume the branch has commits to be safe
+      const branchUrl = `${GITHUB_SERVER_URL}/${owner}/${repo}/tree/${claudeBranch}`;
+      branchLink = `\n[View branch](${branchUrl})`;
+    }
+  }
+
+  // Delete the branch if it has no commits
+  if (shouldDeleteBranch && claudeBranch) {
+    try {
+      await octokit.rest.git.deleteRef({
+        owner,
+        repo,
+        ref: `heads/${claudeBranch}`,
+      });
+      console.log(`✅ Deleted empty branch: ${claudeBranch}`);
+    } catch (deleteError) {
+      console.error(`Failed to delete branch ${claudeBranch}:`, deleteError);
+      // Continue even if deletion fails
+    }
+  }
+
+  return { shouldDeleteBranch, branchLink };
+}