Merge pull request #174 from polrop/display-commit-msg-hook-output

Display 'commit-msg' hook output.

Author: laullon

PBGitIndex.m

@@ -240,7 +240,7 @@ - (void)commitWithMessage:(NSString *)commitMessage andVerify:(BOOL) doVerify
                                   hookOutput];
         }
 
-        if (![repository executeHook:@"commit-msg" withArgs:[NSArray arrayWithObject:commitMessageFile] output:nil]) {
+        if (![repository executeHook:@"commit-msg" withArgs:[NSArray arrayWithObject:commitMessageFile] output:&hookOutput]) {
             hookFailureMessage = [NSString stringWithFormat:@"Commit-msg hook failed%@%@",
                                   [hookOutput length] > 0 ? @":\n" : @"",
                                   hookOutput];