list_commands: only call git_exec_path if it is needed

Even if it always needed

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/help.c b/help.c
index ab2c2ba2605d93db3388da491faf7968112685eb..b278257aab15f7a195dd4f3c234b3e6b68aaa8f3 100644 (file)
--- a/help.c
+++ b/help.c
@@ -212,7 +212,6 @@ void load_command_list(const char *prefix,
 void list_commands(const char *title, struct cmdnames *main_cmds,
                   struct cmdnames *other_cmds)
 {
-       const char *exec_path = git_exec_path();
        int i, longest = 0;
 
        for (i = 0; i < main_cmds->cnt; i++)
@@ -223,6 +222,7 @@ void list_commands(const char *title, struct cmdnames *main_cmds,
                        longest = other_cmds->names[i]->len;
 
        if (main_cmds->cnt) {
+               const char *exec_path = git_exec_path();
                printf("available %s in '%s'\n", title, exec_path);
                printf("----------------");
                mput_char('-', strlen(title) + strlen(exec_path));