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authorJunio C Hamano <gitster@pobox.com>2017-06-01 14:09:14 +0900
committerJunio C Hamano <gitster@pobox.com>2017-06-01 14:56:18 +0900
commit60f32610243165e43afca785a85c38967130a70f (patch)
treeb32cebc3328c5e63aef5f573bd82569fb3c48caa /builtin/diff-tree.c
parent29ec62700ad3db6be572c6f3c03a7d0443c86353 (diff)
downloadgit-jc/wip-check-help-option.tar.gz
check_help_option(): a helper for early check of "-h" optionjc/wip-check-help-option
As "show help when we get '-h' as the only option." often appears, let's give an easy helper to call for these call sites. Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin/diff-tree.c')
-rw-r--r--builtin/diff-tree.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index f633b10b08..acf9aef887 100644
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -105,8 +105,7 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
struct setup_revision_opt s_r_opt;
int read_stdin = 0;
- if (argc == 2 && !strcmp(argv[1], "-h"))
- usage(diff_tree_usage);
+ check_help_option(argc, argv, diff_tree_usage, NULL);
init_revisions(opt, prefix);
gitmodules_config();