status: Fix a sorting issue in the treewalker

This ensures that entries from the working directory are retrieved according to the following rules:

 - The file "subdir" should appear before the file "subdir.txt"
 - The folder "subdir" should appear after the file "subdir.txt"

src/status.c

@@ -291,7 +291,7 @@ static int path_type_from(char *full_path, int is_dir)
 	if (!is_dir)
 		return GIT_STATUS_PATH_FILE;
 
-	if (!git__suffixcmp(full_path, "/" DOT_GIT))
+	if (!git__suffixcmp(full_path, "/" DOT_GIT "/"))
 		return GIT_STATUS_PATH_IGNORE;
 
 	return GIT_STATUS_PATH_FOLDER;
@@ -360,7 +360,13 @@ static int dirent_cb(void *state, char *a)
 
 		if (m != NULL) {
 			st->head_tree_relative_path[st->head_tree_relative_path_len] = '\0';
+
+			/* When the tree entry is a folder, append a forward slash to its name */
+			if (git_tree_entry_type(m) == GIT_OBJ_TREE)
+				git_path_join_n(st->head_tree_relative_path, 3, st->head_tree_relative_path, m->filename, "");
+			else
 				git_path_join(st->head_tree_relative_path, st->head_tree_relative_path, m->filename);
+		
 			m_name = st->head_tree_relative_path;
 		} else
 			m_name = NULL;
@@ -378,7 +384,7 @@ static int dirent_cb(void *state, char *a)
 		if((error = determine_status(st, pm != NULL, pi != NULL, pa != NULL, m, entry, a, status_path(pm, pi, pa), path_type)) < GIT_SUCCESS)
 			return git__rethrow(error, "An error occured while determining the status of '%s'", a);
 
-		if (pa != NULL)
+		if ((pa != NULL) || (path_type == GIT_STATUS_PATH_FOLDER))
 			return GIT_SUCCESS;
 	}
 }
@@ -571,19 +577,32 @@ struct alphasorted_dirent_info {
 
 static struct alphasorted_dirent_info *alphasorted_dirent_info_new(const char *path)
 {
-	int is_dir;
+	int is_dir, size;
 	struct alphasorted_dirent_info *di;
 
 	is_dir = git_futils_isdir(path) == GIT_SUCCESS ? 1 : 0;
+	size = sizeof(*di) + (is_dir ? GIT_PATH_MAX : strlen(path)) + 2;
 
-	di = git__malloc(sizeof(*di) + (is_dir ? GIT_PATH_MAX : strlen(path)) + 1);
+	di = git__malloc(size);
 	if (di == NULL)
 		return NULL;
 
-	memset(di, 0x0, sizeof(*di));
+	memset(di, 0x0, size);
 
 	strcpy(di->path, path);
-	di->is_dir = is_dir;
+
+	if (is_dir) {
+		di->is_dir = 1;
+
+		/* 
+		 * Append a forward slash to the name to force folders 
+		 * to be ordered in a similar way than in a tree
+		 *
+		 * The file "subdir" should appear before the file "subdir.txt"
+		 * The folder "subdir" should appear after the file "subdir.txt"
+		 */
+		di->path[strlen(path)] = '/';
+	}
 
 	return di;
 }