Use the short name.

joshaber · joshaber · commit 526936318f03 · 2014-12-12T14:30:19.000-05:00
diff --git a/ObjectiveGit/GTBranch.m b/ObjectiveGit/GTBranch.m
@@ -206,7 +206,7 @@ - (GTBranch *)trackingBranchWithError:(NSError **)error success:(BOOL *)success
 }
 
 - (BOOL)updateTrackingBranch:(GTBranch *)trackingBranch error:(NSError **)error {
-	int result = git_branch_set_upstream(self.reference.git_reference, trackingBranch.name.UTF8String);
+	int result = git_branch_set_upstream(self.reference.git_reference, trackingBranch.shortName.UTF8String);
 	if (result != GIT_OK) {
 		if (error != NULL) *error = [NSError git_errorFor:result description:@"Failed to update tracking branch for %@", self];
 		return NO;

Original file line number	Diff line number	Diff line change
`@@ -206,7 +206,7 @@ - (GTBranch )trackingBranchWithError:(NSError )error success:(BOOL )success`
`206`	`206`	`}`
`207`	`207`
`208`	`208`	`- (BOOL)updateTrackingBranch:(GTBranch )trackingBranch error:(NSError *)error {`
`209`		`- int result = git_branch_set_upstream(self.reference.git_reference, trackingBranch.name.UTF8String);`
	`209`	`+ int result = git_branch_set_upstream(self.reference.git_reference, trackingBranch.shortName.UTF8String);`
`210`	`210`	`if (result != GIT_OK) {`
`211`	`211`	`if (error != NULL) *error = [NSError git_errorFor:result description:@"Failed to update tracking branch for %@", self];`
`212`	`212`	`return NO;`