worktree: drop get_worktrees() unused 'flags' argument

get_worktrees() accepts a 'flags' argument, however, there are no
existing flags (the lone flag GWT_SORT_LINKED was recently retired) and
no behavior which can be tweaked. Therefore, drop the 'flags' argument.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

branch.c

@@ -369,7 +369,7 @@ int replace_each_worktree_head_symref(const char *oldref, const char *newref,
 				      const char *logmsg)
 {
 	int ret = 0;
-	struct worktree **worktrees = get_worktrees(0);
+	struct worktree **worktrees = get_worktrees();
 	int i;
 
 	for (i = 0; worktrees[i]; i++) {

builtin/branch.c

@@ -468,7 +468,7 @@ static void print_current_branch_name(void)
 
 static void reject_rebase_or_bisect_branch(const char *target)
 {
-	struct worktree **worktrees = get_worktrees(0);
+	struct worktree **worktrees = get_worktrees();
 	int i;
 
 	for (i = 0; worktrees[i]; i++) {

builtin/config.c

@@ -672,7 +672,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 		given_config_source.file = git_pathdup("config");
 		given_config_source.scope = CONFIG_SCOPE_LOCAL;
 	} else if (use_worktree_config) {
-		struct worktree **worktrees = get_worktrees(0);
+		struct worktree **worktrees = get_worktrees();
 		if (repository_format_worktree_config)
 			given_config_source.file = git_pathdup("config.worktree");
 		else if (worktrees[0] && worktrees[1])

builtin/fsck.c

@@ -576,7 +576,7 @@ static void get_default_heads(void)
 
 	for_each_rawref(fsck_handle_ref, NULL);
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	for (p = worktrees; *p; p++) {
 		struct worktree *wt = *p;
 		struct strbuf ref = STRBUF_INIT;

builtin/reflog.c

@@ -615,7 +615,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
 		int i;
 
 		memset(&collected, 0, sizeof(collected));
-		worktrees = get_worktrees(0);
+		worktrees = get_worktrees();
 		for (p = worktrees; *p; p++) {
 			if (!all_worktrees && !(*p)->is_current)
 				continue;

builtin/worktree.c

@@ -325,7 +325,7 @@ static int add_worktree(const char *path, const char *refname,
 	struct strbuf sb_name = STRBUF_INIT;
 	struct worktree **worktrees;
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	check_candidate_path(path, opts->force, worktrees, "add");
 	free_worktrees(worktrees);
 	worktrees = NULL;
@@ -724,7 +724,7 @@ 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(0);
+		struct worktree **worktrees = get_worktrees();
 		int path_maxlen = 0, abbrev = DEFAULT_ABBREV, i;
 
 		/* sort worktrees by path but keep main worktree at top */
@@ -758,7 +758,7 @@ static int lock_worktree(int ac, const char **av, const char *prefix)
 	if (ac != 1)
 		usage_with_options(worktree_usage, options);
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	wt = find_worktree(worktrees, prefix, av[0]);
 	if (!wt)
 		die(_("'%s' is not a working tree"), av[0]);
@@ -791,7 +791,7 @@ static int unlock_worktree(int ac, const char **av, const char *prefix)
 	if (ac != 1)
 		usage_with_options(worktree_usage, options);
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	wt = find_worktree(worktrees, prefix, av[0]);
 	if (!wt)
 		die(_("'%s' is not a working tree"), av[0]);
@@ -865,7 +865,7 @@ static int move_worktree(int ac, const char **av, const char *prefix)
 	strbuf_addstr(&dst, path);
 	free(path);
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	wt = find_worktree(worktrees, prefix, av[0]);
 	if (!wt)
 		die(_("'%s' is not a working tree"), av[0]);
@@ -991,7 +991,7 @@ static int remove_worktree(int ac, const char **av, const char *prefix)
 	if (ac != 1)
 		usage_with_options(worktree_usage, options);
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	wt = find_worktree(worktrees, prefix, av[0]);
 	if (!wt)
 		die(_("'%s' is not a working tree"), av[0]);

ref-filter.c

@@ -1579,7 +1579,7 @@ static void lazy_init_worktree_map(void)
 	if (ref_to_worktree_map.worktrees)
 		return;
 
-	ref_to_worktree_map.worktrees = get_worktrees(0);
+	ref_to_worktree_map.worktrees = get_worktrees();
 	hashmap_init(&(ref_to_worktree_map.map), ref_to_worktree_map_cmpfnc, NULL, 0);
 	populate_worktree_map(&(ref_to_worktree_map.map), ref_to_worktree_map.worktrees);
 }

revision.c

@@ -1452,7 +1452,7 @@ static void add_other_reflogs_to_pending(struct all_refs_cb *cb)
 {
 	struct worktree **worktrees, **p;
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	for (p = worktrees; *p; p++) {
 		struct worktree *wt = *p;
 
@@ -1540,7 +1540,7 @@ void add_index_objects_to_pending(struct rev_info *revs, unsigned int flags)
 	if (revs->single_worktree)
 		return;
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	for (p = worktrees; *p; p++) {
 		struct worktree *wt = *p;
 		struct index_state istate = { NULL };

t/helper/test-ref-store.c

@@ -37,7 +37,7 @@ static const char **get_store(const char **argv, struct ref_store **refs)
 
 		*refs = get_submodule_ref_store(gitdir);
 	} else if (skip_prefix(argv[0], "worktree:", &gitdir)) {
-		struct worktree **p, **worktrees = get_worktrees(0);
+		struct worktree **p, **worktrees = get_worktrees();
 
 		for (p = worktrees; *p; p++) {
 			struct worktree *wt = *p;

worktree.c

@@ -123,7 +123,7 @@ static void mark_current_worktree(struct worktree **worktrees)
 	free(git_dir);
 }
 
-struct worktree **get_worktrees(unsigned flags)
+struct worktree **get_worktrees(void)
 {
 	struct worktree **list = NULL;
 	struct strbuf path = STRBUF_INIT;
@@ -398,7 +398,7 @@ const struct worktree *find_shared_symref(const char *symref,
 
 	if (worktrees)
 		free_worktrees(worktrees);
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 
 	for (i = 0; worktrees[i]; i++) {
 		struct worktree *wt = worktrees[i];
@@ -559,7 +559,7 @@ int other_head_refs(each_ref_fn fn, void *cb_data)
 	struct worktree **worktrees, **p;
 	int ret = 0;
 
-	worktrees = get_worktrees(0);
+	worktrees = get_worktrees();
 	for (p = worktrees; *p; p++) {
 		struct worktree *wt = *p;
 		struct object_id oid;

worktree.h

@@ -25,7 +25,7 @@ struct worktree {
  * The caller is responsible for freeing the memory from the returned
  * worktrees by calling free_worktrees().
  */
-struct worktree **get_worktrees(unsigned flags);
+struct worktree **get_worktrees(void);
 
 /*
  * Returns 1 if linked worktrees exist, 0 otherwise.