unpack-trees.c: look ahead in the index

diff --git a/builtin-update-ref.c b/builtin-update-ref.c
index d8f3142c06c2d7c5202c9c132a12457d6e8b43a6..76ba1d5881b3cddc527bd363dec340c83dde605f 100644 (file)
--- a/builtin-update-ref.c
+++ b/builtin-update-ref.c
@@ -13,7 +13,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
 {
        const char *refname, *oldval, *msg=NULL;
        unsigned char sha1[20], oldsha1[20];
-       int delete = 0, no_deref = 0;
+       int delete = 0, no_deref = 0, flags = 0;
        struct option options[] = {
                OPT_STRING( 'm', NULL, &msg, "reason", "reason of the update"),
                OPT_BOOLEAN('d', NULL, &delete, "deletes the reference"),
@@ -23,7 +23,8 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
        };
 
        git_config(git_default_config, NULL);
-       argc = parse_options(argc, argv, options, git_update_ref_usage, 0);
+       argc = parse_options(argc, argv, prefix, options, git_update_ref_usage,
+                            0);
        if (msg && !*msg)
                die("Refusing to perform update with empty message.");
 
@@ -47,9 +48,11 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
        if (oldval && *oldval && get_sha1(oldval, oldsha1))
                die("%s: not a valid old SHA1", oldval);
 
+       if (no_deref)
+               flags = REF_NODEREF;
        if (delete)
-               return delete_ref(refname, oldval ? oldsha1 : NULL, 0);
+               return delete_ref(refname, oldval ? oldsha1 : NULL, flags);
        else
                return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL,
-                                 no_deref ? REF_NODEREF : 0, DIE_ON_ERR);
+                                 flags, DIE_ON_ERR);
 }