Rename removeRef: to showDeleteRefSheet:

- move the core of the delete implementation to the repository as deleteRef:
    - move it to it's own pragma mark section

PBGitRepository.h

@@ -33,6 +33,7 @@ extern NSString* PBGitRepositoryErrorDomain;
 - (BOOL) checkoutFiles:(NSArray *)files fromRefish:(id <PBGitRefish>)ref;
 - (BOOL) createBranch:(NSString *)branchName atRefish:(id <PBGitRefish>)ref;
 - (BOOL) createTag:(NSString *)tagName message:(NSString *)message atRefish:(id <PBGitRefish>)commitSHA;
+- (BOOL) deleteRef:(PBGitRef *)ref;
 
 - (NSFileHandle*) handleForCommand:(NSString*) cmd;
 - (NSFileHandle*) handleForArguments:(NSArray*) args;

PBGitRepository.m

@@ -526,6 +526,28 @@ NSString* PBGitRepositoryErrorDomain = @"GitXErrorDomain";
 	return YES;
 }
 
+- (BOOL) deleteRef:(PBGitRef *)ref
+{
+	if (!ref)
+		return NO;
+
+	int retValue = 1;
+	NSArray *arguments = [NSArray arrayWithObjects:@"update-ref", @"-d", [ref ref], nil];
+	NSString * output = [self outputForArguments:arguments retValue:&retValue];
+	if (retValue) {
+		NSString *message = [NSString stringWithFormat:@"There was an error deleting the ref: %@\n\n", [ref shortName]];
+		[self.windowController showErrorSheetTitle:@"Delete ref failed!" message:message arguments:arguments output:output];
+		return NO;
+	}
+
+	[self removeBranch:[[PBGitRevSpecifier alloc] initWithRef:ref]];
+	PBGitCommit *commit = [self commitForRef:ref];
+	[commit removeRef:ref];
+
+	[self reloadRefs];
+	return YES;
+}
+
 
 #pragma mark low level
 

PBRefController.m

@@ -111,29 +111,39 @@
 }
 
 
-- (void) removeRefSheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void  *)contextInfo
+#pragma mark Remove a branch, remote or tag
+
+- (void) showDeleteRefSheet:(PBRefMenuItem *)sender
 {
+	if ([[sender refish] refishType] == kGitXCommitType)
+		return;
+
+	PBGitRef *ref = (PBGitRef *)[sender refish];
+	NSString *ref_desc = [NSString stringWithFormat:@"%@ '%@'", [ref refishType], [ref shortName]];
+
+	NSAlert *alert = [NSAlert alertWithMessageText:[NSString stringWithFormat:@"Delete %@?", ref_desc]
+									 defaultButton:@"Delete"
+								   alternateButton:@"Cancel"
+									   otherButton:nil
+						 informativeTextWithFormat:@"Are you sure you want to remove the %@?", ref_desc];
+	
+	[alert beginSheetModalForWindow:[historyController.repository.windowController window]
+					  modalDelegate:self
+					 didEndSelector:@selector(deleteRefSheetDidEnd:returnCode:contextInfo:)
+						contextInfo:ref];
+}
+
+- (void) deleteRefSheetDidEnd:(NSAlert *)sheet returnCode:(int)returnCode contextInfo:(void  *)contextInfo
+{
+    [[sheet window] orderOut:nil];
+
 	if (returnCode == NSAlertDefaultReturn) {
-		int ret = 1;
-        PBRefMenuItem *refMenuItem = contextInfo;
-		[historyController.repository outputForArguments:[NSArray arrayWithObjects:@"update-ref", @"-d", [[refMenuItem refish] refishName], nil] retValue: &ret];
-		if (ret) {
-			NSLog(@"Removing ref failed!");
-			return;
-		}
-		[historyController.repository removeBranch:[[PBGitRevSpecifier alloc] initWithRef:[refMenuItem refish]]];
-		PBGitCommit *commitForRef = [historyController.repository commitForRef:[refMenuItem refish]];
-		[commitForRef removeRef:[refMenuItem refish]];
+		PBGitRef *ref = (PBGitRef *)contextInfo;
+		[historyController.repository deleteRef:ref];
 		[commitController rearrangeObjects];
 	}
 }
 
-- (void) removeRef:(PBRefMenuItem *)sender
-{
-	NSString *ref_desc = [NSString stringWithFormat:@"%@ %@", [(PBGitRef *)[sender refish] type], [[sender refish] shortName]];
-	NSString *question = [NSString stringWithFormat:@"Are you sure you want to remove the %@?", ref_desc];
-    NSBeginAlertSheet([NSString stringWithFormat:@"Delete %@?", ref_desc], @"Delete", @"Cancel", nil, [[historyController view] window], self, @selector(removeRefSheetDidEnd:returnCode:contextInfo:), NULL, sender, question);
-}
 
 
 #pragma mark Contextual menus

PBRefMenuItem.m

@@ -61,7 +61,7 @@
 	// delete ref
 	[items addObject:[PBRefMenuItem separatorItem]];
 	NSString *deleteTitle = [NSString stringWithFormat:@"Delete %@…", targetRefName];
-	[items addObject:[PBRefMenuItem itemWithTitle:deleteTitle action:@selector(removeRef:) enabled:YES]];
+	[items addObject:[PBRefMenuItem itemWithTitle:deleteTitle action:@selector(showDeleteRefSheet:) enabled:YES]];
 
 	for (PBRefMenuItem *item in items) {
 		[item setTarget:target];