[PATCH 15/24] Show usage string for 'git show-index -h'

From

Jonathan Nieder <jrnieder@gmail.com>

Date

Nov 9, 2009, 15:04 UTC

Message-ID

<1257779104-23884-15-git-send-email-jrnieder@gmail.com>

In-Reply-To

<20091109150235.GA23871@progeny.tock>

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 show-index.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/show-index.c b/show-index.c
index 45bb535..63f9da5 100644
--- a/show-index.c
+++ b/show-index.c
@@ -1,6 +1,9 @@
 #include "cache.h"
 #include "pack.h"
 
+static const char show_index_usage[] =
+"git show-index < <packed archive index>";
+
 int main(int argc, char **argv)
 {
 	int i;
@@ -8,6 +11,8 @@ int main(int argc, char **argv)
 	unsigned int version;
 	static unsigned int top_index[256];
 
+	if (argc != 1)
+		usage(show_index_usage);
 	if (fread(top_index, 2 * 4, 1, stdin) != 1)
 		die("unable to read header");
 	if (top_index[0] == htonl(PACK_IDX_SIGNATURE)) {

-- 
1.6.5.2