Elaborate on why ':' is a bad idea in a ref name.

diff --git a/ssh-upload.c b/ssh-upload.c
index b675a0b1f1df7d313f8201d59ad25b1c3d53a2f4..2da66618fcdd6a0f5af35c9f30554a65eb427427 100644 (file)
--- a/ssh-upload.c
+++ b/ssh-upload.c
@@ -134,7 +134,7 @@ int main(int argc, char **argv)
        commit_id = argv[arg];
        url = argv[arg + 1];
        if (get_sha1(commit_id, sha1))
-               usage(ssh_push_usage);
+               die("Not a valid object name %s", commit_id);
        memcpy(hex, sha1_to_hex(sha1), sizeof(hex));
        argv[arg] = hex;