Introduce usagef() that takes a printf-style format

diff --git a/git.c b/git.c
index f295561a933c264f869e9b94c948046d3a311be0..743ee57100ac49aca8d90892b1abec5f18eb18c1 100644 (file)
--- a/git.c
+++ b/git.c
@@ -229,21 +229,24 @@ struct cmd_struct {
 
 static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
 {
-       int status;
+       int status, help;
        struct stat st;
        const char *prefix;
 
        prefix = NULL;
-       if (p->option & RUN_SETUP)
-               prefix = setup_git_directory();
-
-       if (use_pager == -1 && p->option & RUN_SETUP)
-               use_pager = check_pager_config(p->cmd);
-       if (use_pager == -1 && p->option & USE_PAGER)
-               use_pager = 1;
+       help = argc == 2 && !strcmp(argv[1], "-h");
+       if (!help) {
+               if (p->option & RUN_SETUP)
+                       prefix = setup_git_directory();
+
+               if (use_pager == -1 && p->option & RUN_SETUP)
+                       use_pager = check_pager_config(p->cmd);
+               if (use_pager == -1 && p->option & USE_PAGER)
+                       use_pager = 1;
+       }
        commit_pager_choice();
 
-       if (p->option & NEED_WORK_TREE)
+       if (!help && p->option & NEED_WORK_TREE)
                setup_work_tree();
 
        trace_argv_printf(argv, "trace: built-in: git");