submodules are now nested

Model/PBGitSubmodule.h

@@ -21,7 +21,10 @@ typedef enum {
 	NSString *checkedOutCommit;
 
 	PBGitSubmoduleState submoduleState;
+	
+	NSMutableArray *submodules;
 }
+@property (nonatomic, retain, readonly) NSMutableArray *submodules;
 @property (nonatomic, assign, readonly) PBGitSubmoduleState submoduleState;
 @property (nonatomic, retain, readonly) NSString *name;
 @property (nonatomic, retain, readonly) NSString *path;
@@ -31,4 +34,6 @@ typedef enum {
 
 + (NSImage *) imageForSubmoduleState:(PBGitSubmoduleState) state;
 + (PBGitSubmoduleState) submoduleStateFromCharacter:(unichar) character;
+
+- (void) addSubmodule:(PBGitSubmodule *) submodule;
 @end

Model/PBGitSubmodule.m

@@ -20,6 +20,14 @@
 @synthesize path;
 @synthesize checkedOutCommit;
 @synthesize submoduleState;
+@synthesize submodules;
+
+- (NSMutableArray *) submodules {
+	if (!submodules) {
+		submodules = [[NSMutableArray alloc] init];
+	}
+	return submodules;
+}
 
 - (id) initWithRawSubmoduleStatusString:(NSString *) submoduleStatusString {
 	NSParameterAssert([submoduleStatusString length] > 0);
@@ -51,12 +59,17 @@
 }
 
 - (void) dealloc {
+	[submodules release];
 	[name release];
 	[path release];
 	[checkedOutCommit release];
 	[super dealloc];
 }
 
+- (void) addSubmodule:(PBGitSubmodule *) submodule {
+	[self.submodules addObject:submodule];
+}
+
 #pragma mark -
 #pragma mark Presentable