HistoryView: Add a "Local Branches" option

PBGitRepository.m

@@ -221,6 +221,7 @@ NSString* PBGitRepositoryErrorDomain = @"GitXErrorDomain";
 
 	// Add an "All branches" option in the branches list
 	[self addBranch:[PBGitRevSpecifier allBranchesRevSpec]];
+	[self addBranch:[PBGitRevSpecifier localBranchesRevSpec]];
 	return ret;
 }
 

PBGitRevSpecifier.h

@@ -25,6 +25,7 @@
 - (BOOL) isEqualTo: (PBGitRevSpecifier*) other;
 
 + (PBGitRevSpecifier *)allBranchesRevSpec;
++ (PBGitRevSpecifier *)localBranchesRevSpec;
 
 @property(copy) NSString* description;
 @property(readonly) NSArray* parameters;

PBGitRevSpecifier.m

@@ -33,7 +33,13 @@
 	[revspec setDescription:@"All branches"];
 	return revspec;
 }
-	
+
++ (PBGitRevSpecifier *)localBranchesRevSpec
+{
+	id revspec = [[PBGitRevSpecifier alloc] initWithParameters:[NSArray arrayWithObject:@"--branches"]];
+	[revspec setDescription:@"Local branches"];
+	return revspec;
+}
 - (BOOL) isSimpleRef
 {
 	return ([parameters count] == 1 && ![[parameters objectAtIndex:0] hasPrefix:@"-"]);