Fix issue with missing commits

[changelog:fixed]

Author: cdupuis

lib/audit.ts

@@ -290,13 +290,15 @@ async function auditRepository(
 			repoId,
 		});
 
-		// Run npm audit fix
-		await pushHandler({
-			...ctx,
-			data: {
-				Push: headCommit.Branch[0].commit.pushes,
-			},
-		});
+		if (headCommit?.Branch?.[0]?.commit?.pushes?.length > 0) {
+			// Run npm audit fix
+			await pushHandler({
+				...ctx,
+				data: {
+					Push: headCommit.Branch[0].commit.pushes,
+				},
+			});
+		}
 	} else {
 		log.info(
 			`npm audit report for ${request.owner}/${request.repo} not different to existing`,