Show usage string for 'git log -h', 'git show -h' and 'git diff -h'

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-diff.c b/builtin-diff.c
index 2e51f408f9f3399195604fd23d430c180a7f20a4..ffcdd055ca0b9b30bec2ce1f22e348ec15d58c81 100644 (file)
--- a/builtin-diff.c
+++ b/builtin-diff.c
@@ -218,6 +218,8 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv
                        revs->max_count = 3;
                else if (!strcmp(argv[1], "-q"))
                        options |= DIFF_SILENT_ON_REMOVED;
+               else if (!strcmp(argv[1], "-h"))
+                       usage(builtin_diff_usage);
                else
                        return error("invalid option: %s", argv[1]);
                argv++; argc--;

diff --git a/builtin-log.c b/builtin-log.c
index 30358166e64c5745e979e6231a5de5e0e5111119..3817bf11864dbe5bff2c1004abec2b97210a0c36 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -27,6 +27,10 @@ static int default_show_root = 1;
 static const char *fmt_patch_subject_prefix = "PATCH";
 static const char *fmt_pretty;
 
+static const char * const builtin_log_usage =
+       "git log [<options>] [<since>..<until>] [[--] <path>...]\n"
+       "   or: git show [options] <object>...";
+
 static void cmd_log_init(int argc, const char **argv, const char *prefix,
                      struct rev_info *rev)
 {
@@ -61,6 +65,8 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
                        rev->show_decorations = 1;
                } else if (!strcmp(arg, "--source")) {
                        rev->show_source = 1;
+               } else if (!strcmp(arg, "-h")) {
+                       usage(builtin_log_usage);
                } else
                        die("unrecognized argument: %s", arg);
        }