Stops comparing the branch to itself

src/git/gitService.ts

@@ -1255,10 +1255,10 @@ export class GitService implements Disposable {
 					if (weightedBranch.weight === maxDefaultBranchWeight) break;
 				}
 
-				return GitRevision.createRange(
-					weightedBranch!.branch.tracking ?? weightedBranch!.branch.ref,
-					branch.ref,
-				);
+				const possibleBranch = weightedBranch!.branch.tracking ?? weightedBranch!.branch.ref;
+				if (possibleBranch !== branch.ref) {
+					return GitRevision.createRange(possibleBranch, branch.ref);
+				}
 			}
 		}