Fix git-update-cache --cacheinfo error message.

The error detection logic was too lazy to distinguish parameter
error and unable-to-add case.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/update-cache.c b/update-cache.c
index 69b1afec94..2f5d620fd8 100644
--- a/update-cache.c
+++ b/update-cache.c
@@ -369,8 +369,10 @@ int main(int argc, char **argv)
 				continue;
 			}
 			if (!strcmp(path, "--cacheinfo")) {
-				if (i+3 >= argc || add_cacheinfo(argv[i+1], argv[i+2], argv[i+3]))
+				if (i+3 >= argc)
 					die("update-cache: --cacheinfo <mode> <sha1> <path>");
+				if (add_cacheinfo(argv[i+1], argv[i+2], argv[i+3]))
+					die("update-cache: --cacheinfo cannot add %s", argv[i+3]);
 				i += 3;
 				continue;
 			}