[PATCH] Usage-string fixes.

diff --git a/diff-cache.c b/diff-cache.c
index 015fd5fec08a7e9b200dc8c9124e84f3a933eff4..5e1d1a6e6d83291964dca82e6969e576f6a839ec 100644 (file)
--- a/diff-cache.c
+++ b/diff-cache.c
@@ -215,6 +215,8 @@ static int diff_cache(void *tree, unsigned long size, struct cache_entry **ac, i
        return 0;
 }
 
+static char *diff_cache_usage = "diff-cache [-r] [-z] [--cached] <tree sha1>";
+
 int main(int argc, char **argv)
 {
        unsigned char tree_sha1[20];
@@ -238,11 +240,11 @@ int main(int argc, char **argv)
                        cached_only = 1;
                        continue;
                }
-               usage("diff-cache [-r] [-z] <tree sha1>");
+               usage(diff_cache_usage);
        }
 
        if (argc != 2 || get_sha1_hex(argv[1], tree_sha1))
-               usage("diff-cache [-r] [-z] <tree sha1>");
+               usage(diff_cache_usage);
 
        tree = read_tree_with_tree_or_commit_sha1(tree_sha1, &size, 0);
        if (!tree)