Use git_pathdup instead of xstrdup(git_path(...))

Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-config.c

@@ -84,7 +84,7 @@ static int get_value(const char* key_, const char* regex_)
 	local = config_exclusive_filename;
 	if (!local) {
 		const char *home = getenv("HOME");
-		local = repo_config = xstrdup(git_path("config"));
+		local = repo_config = git_pathdup("config");
 		if (git_config_global() && home)
 			global = xstrdup(mkpath("%s/.gitconfig", home));
 		if (git_config_system())

builtin-reflog.c

@@ -277,11 +277,11 @@ static int expire_reflog(const char *ref, const unsigned char *sha1, int unused,
 	lock = lock_any_ref_for_update(ref, sha1, 0);
 	if (!lock)
 		return error("cannot lock ref '%s'", ref);
-	log_file = xstrdup(git_path("logs/%s", ref));
+	log_file = git_pathdup("logs/%s", ref);
 	if (!file_exists(log_file))
 		goto finish;
 	if (!cmd->dry_run) {
-		newlog_path = xstrdup(git_path("logs/%s.lock", ref));
+		newlog_path = git_pathdup("logs/%s.lock", ref);
 		cb.newlog = fopen(newlog_path, "w");
 	}
 

builtin-revert.c

@@ -269,7 +269,7 @@ static int revert_or_cherry_pick(int argc, const char **argv)
 	int i;
 	char *oneline, *reencoded_message = NULL;
 	const char *message, *encoding;
-	const char *defmsg = xstrdup(git_path("MERGE_MSG"));
+	const char *defmsg = git_pathdup("MERGE_MSG");
 
 	git_config(git_default_config, NULL);
 	me = action == REVERT ? "revert" : "cherry-pick";

builtin-tag.c

@@ -283,7 +283,7 @@ static void create_tag(const unsigned char *object, const char *tag,
 		int fd;
 
 		/* write the template message before editing: */
-		path = xstrdup(git_path("TAG_EDITMSG"));
+		path = git_pathdup("TAG_EDITMSG");
 		fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
 		if (fd < 0)
 			die("could not create file '%s': %s",

config.c

@@ -630,7 +630,7 @@ int git_config(config_fn_t fn, void *data)
 		free(user_config);
 	}
 
-	repo_config = xstrdup(git_path("config"));
+	repo_config = git_pathdup("config");
 	ret += git_config_from_file(fn, repo_config, data);
 	free(repo_config);
 	return ret;
@@ -872,7 +872,7 @@ int git_config_set_multivar(const char* key, const char* value,
 	if (config_exclusive_filename)
 		config_filename = xstrdup(config_exclusive_filename);
 	else
-		config_filename = xstrdup(git_path("config"));
+		config_filename = git_pathdup("config");
 
 	/*
 	 * Since "key" actually contains the section name and the real
@@ -1132,7 +1132,7 @@ int git_config_rename_section(const char *old_name, const char *new_name)
 	if (config_exclusive_filename)
 		config_filename = xstrdup(config_exclusive_filename);
 	else
-		config_filename = xstrdup(git_path("config"));
+		config_filename = git_pathdup("config");
 	out_fd = hold_lock_file_for_update(lock, config_filename, 0);
 	if (out_fd < 0) {
 		ret = error("could not lock config file %s", config_filename);

environment.c

@@ -71,7 +71,7 @@ static void setup_git_env(void)
 	}
 	git_graft_file = getenv(GRAFT_ENVIRONMENT);
 	if (!git_graft_file)
-		git_graft_file = xstrdup(git_path("info/grafts"));
+		git_graft_file = git_pathdup("info/grafts");
 }
 
 int is_bare_repository(void)

refs.c

@@ -1258,7 +1258,7 @@ int create_symref(const char *ref_target, const char *refs_heads_master,
 	const char *lockpath;
 	char ref[1000];
 	int fd, len, written;
-	char *git_HEAD = xstrdup(git_path("%s", ref_target));
+	char *git_HEAD = git_pathdup("%s", ref_target);
 	unsigned char old_sha1[20], new_sha1[20];
 
 	if (logmsg && read_ref(ref_target, old_sha1))

rerere.c

@@ -345,7 +345,7 @@ int setup_rerere(struct string_list *merge_rr)
 	if (!is_rerere_enabled())
 		return -1;
 
-	merge_rr_path = xstrdup(git_path("MERGE_RR"));
+	merge_rr_path = git_pathdup("MERGE_RR");
 	fd = hold_lock_file_for_update(&write_lock, merge_rr_path, 1);
 	read_rr(merge_rr);
 	return fd;

server-info.c

@@ -25,7 +25,7 @@ static int add_info_ref(const char *path, const unsigned char *sha1, int flag, v
 
 static int update_info_refs(int force)
 {
-	char *path0 = xstrdup(git_path("info/refs"));
+	char *path0 = git_pathdup("info/refs");
 	int len = strlen(path0);
 	char *path1 = xmalloc(len + 2);