Merge pull request brotherbard#54 from RomainMuller/fix

GitX 0.8.2 does not like first commits

Author: laullon

GLFileView.m

@@ -242,6 +242,8 @@ - (void)closeView
 
 + (NSString *) escapeHTML:(NSString *)txt
 {
+    if (txt == nil)
+        return txt;
     NSMutableString *newTxt = [NSMutableString stringWithString:txt];
 	[newTxt replaceOccurrencesOfString:@"&" withString:@"&" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])];
 	[newTxt replaceOccurrencesOfString:@"<" withString:@"&lt;" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])];

PBWebHistoryController.m

@@ -107,11 +107,11 @@ - (void)commitDetailsLoaded:(NSNotification *)notification
 	NSMutableDictionary *stats=[self parseStats:details];
 
 	// File list
-	NSString *dt=[repository outputInWorkdirForArguments:[NSArray arrayWithObjects:@"diff-tree", @"-r", @"-C90%", @"-M90%", [currentSha string], nil]];
+	NSString *dt=[repository outputInWorkdirForArguments:[NSArray arrayWithObjects:@"diff-tree", @"--root", @"-r", @"-C90%", @"-M90%", [currentSha string], nil]];
 	NSString *fileList=[GLFileView parseDiffTree:dt withStats:stats];
 
 	// Diffs list
-	NSString *d=[repository outputInWorkdirForArguments:[NSArray arrayWithObjects:@"diff-tree", @"--cc", @"-C90%", @"-M90%", [currentSha string], nil]];
+	NSString *d=[repository outputInWorkdirForArguments:[NSArray arrayWithObjects:@"diff-tree", @"--root", @"--cc", @"-C90%", @"-M90%", [currentSha string], nil]];
 	NSString *diffs=[GLFileView parseDiff:d];
 
 	NSString *html=[NSString stringWithFormat:@"%@%@<div id='diffs'>%@</div>",header,fileList,diffs];