Add indexURL to PBGitRepository

Author: rowanj

PBGitRepository.h

@@ -128,6 +128,7 @@ static NSString * PBStringFromBranchFilterType(PBGitXBranchFilterType type) {
 - (id) initWithURL: (NSURL*) path;
 - (void) setup;
 - (void) forceUpdateRevisions;
+- (NSURL*) getIndexURL;
 
 // for the scripting bridge
 - (void)findInModeScriptCommand:(NSScriptCommand *)command;
@@ -141,5 +142,6 @@ static NSString * PBStringFromBranchFilterType(PBGitXBranchFilterType type) {
 @property (assign) PBGitRevSpecifier *currentBranch;
 @property (assign) NSInteger currentBranchFilter;
 @property (retain) NSMutableDictionary* refs;
+@property (readonly, getter = getIndexURL) NSURL* indexURL;
 
 @end

PBGitRepository.m

@@ -1127,6 +1127,13 @@ - (NSString*) parseSymbolicReference:(NSString*) reference
 	return nil;
 }
 
+- (NSURL*) getIndexURL
+{
+	GTRepository* gtRepo = [[GTRepository repositoryWithURL:self.fileURL error:nil] autorelease];
+	NSString* indexPath = [NSString stringWithUTF8String:git_repository_path(gtRepo.repo, GIT_REPO_PATH_INDEX)];
+	NSURL* indexURL = [NSURL fileURLWithPath:indexPath];
+	return [indexURL autorelease];
+}
 - (void) finalize
 {
 	NSLog(@"Dealloc of repository");