worktree.c: get_worktrees() takes a new flag argument

This is another no-op patch, in preparation for get_worktrees() to do
optional things, like sorting.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: pclouds

branch.c

@@ -348,7 +348,7 @@ void die_if_checked_out(const char *branch, int ignore_current_worktree)
 int replace_each_worktree_head_symref(const char *oldref, const char *newref)
 {
 	int ret = 0;
-	struct worktree **worktrees = get_worktrees();
+	struct worktree **worktrees = get_worktrees(0);
 	int i;
 
 	for (i = 0; worktrees[i]; i++) {

builtin/branch.c

@@ -531,7 +531,7 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin
 
 static void reject_rebase_or_bisect_branch(const char *target)
 {
-	struct worktree **worktrees = get_worktrees();
+	struct worktree **worktrees = get_worktrees(0);
 	int i;
 
 	for (i = 0; worktrees[i]; i++) {

builtin/worktree.c

@@ -447,7 +447,7 @@ static int list(int ac, const char **av, const char *prefix)
 	if (ac)
 		usage_with_options(worktree_usage, options);
 	else {
-		struct worktree **worktrees = get_worktrees();
+		struct worktree **worktrees = get_worktrees(0);
 		int path_maxlen = 0, abbrev = DEFAULT_ABBREV, i;
 
 		if (!porcelain)
@@ -478,7 +478,7 @@ static int lock_worktree(int ac, const char **av, const char *prefix)
 	if (ac != 1)
 		usage_with_options(worktree_usage, options);
 
-	worktrees = get_worktrees();
+	worktrees = get_worktrees(0);
 	wt = find_worktree(worktrees, prefix, av[0]);
 	if (!wt)
 		die(_("'%s' is not a working tree"), av[0]);
@@ -511,7 +511,7 @@ static int unlock_worktree(int ac, const char **av, const char *prefix)
 	if (ac != 1)
 		usage_with_options(worktree_usage, options);
 
-	worktrees = get_worktrees();
+	worktrees = get_worktrees(0);
 	wt = find_worktree(worktrees, prefix, av[0]);
 	if (!wt)
 		die(_("'%s' is not a working tree"), av[0]);

worktree.c

@@ -160,7 +160,7 @@ static void mark_current_worktree(struct worktree **worktrees)
 	free(git_dir);
 }
 
-struct worktree **get_worktrees(void)
+struct worktree **get_worktrees(unsigned flags)
 {
 	struct worktree **list = NULL;
 	struct strbuf path = STRBUF_INIT;
@@ -327,7 +327,7 @@ const struct worktree *find_shared_symref(const char *symref,
 
 	if (worktrees)
 		free_worktrees(worktrees);
-	worktrees = get_worktrees();
+	worktrees = get_worktrees(0);
 
 	for (i = 0; worktrees[i]; i++) {
 		struct worktree *wt = worktrees[i];

worktree.h

@@ -23,7 +23,7 @@ struct worktree {
  * The caller is responsible for freeing the memory from the returned
  * worktree(s).
  */
-extern struct worktree **get_worktrees(void);
+extern struct worktree **get_worktrees(unsigned flags);
 
 /*
  * Return git dir of the worktree. Note that the path may be relative.