CommitView: Migrate patch apply stuff to GitIndex

PBGitCommitController.m

@@ -127,35 +127,5 @@
 	[commitMessageView setString:@""];
 }
 
-- (void) stageHunk:(NSString *)hunk reverse:(BOOL)reverse
-{
-	[self processHunk:hunk stage:TRUE reverse:reverse];
-}
-
-- (void)discardHunk:(NSString *)hunk
-{
-	[self processHunk:hunk stage:FALSE reverse:TRUE];
-}
-
-- (void)processHunk:(NSString *)hunk stage:(BOOL)stage reverse:(BOOL)reverse
-{
-	NSMutableArray *array = [NSMutableArray arrayWithObjects:@"apply", nil];
-	if (stage)
-		[array addObject:@"--cached"];
-	if (reverse)
-		[array addObject:@"--reverse"];
-
-	int ret = 1;
-	NSString *error = [repository outputForArguments:array
-										 inputString:hunk
-											retValue:&ret];
-
-	// FIXME: show this error, rather than just logging it
-	if (ret)
-		NSLog(@"Error: %@", error);
-
-	// TODO: We should do this smarter by checking if the file diff is empty, which is faster.
-	[self refresh:self]; 
-}
 
 @end

PBWebChangesController.m

@@ -82,10 +82,11 @@
 				     [NSNumber numberWithBool:selectedFileIsCached], nil]];
 }
 
-- (void) stageHunk:(NSString *)hunk reverse:(BOOL)reverse
+- (void)stageHunk:(NSString *)hunk reverse:(BOOL)reverse
 {
-	//[controller stageHunk: hunk reverse:reverse];
+	[controller.index applyPatch:hunk stage:YES reverse:reverse];
 	// FIXME: Don't need a hard refresh
+
 	[self refresh];
 }
 
@@ -101,7 +102,7 @@
 	}
 
 	if (ret == NSAlertDefaultReturn) {
-		// [controller discardHunk:hunk];
+		[controller.index applyPatch:hunk stage:NO reverse:YES];
 		[self refresh];
 	}
 }