diff options
| -rw-r--r-- | show-index.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/show-index.c b/show-index.c index 45bb535773..63f9da5323 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)) { |