push: check for errors earlier

Move the error checking for using the "--mirror", "--all", and "--tags"
options earlier and explicitly check for the presence of the flags
instead of checking for a side-effect of the flag.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/push.c b/builtin/push.c
index 6b7e45890786871b93f394e75b108ec76afbf53c..df5df6c0dc737044464a0d0c9e1757bcfa4717ff 100644 (file)
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -417,23 +417,6 @@ static int do_push(const char *repo, int flags,
        if (push_options->nr)
                flags |= TRANSPORT_PUSH_OPTIONS;
 
-       if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
-               if (!strcmp(*refspec, "refs/tags/*"))
-                       return error(_("--all and --tags are incompatible"));
-               return error(_("--all can't be combined with refspecs"));
-       }
-
-       if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
-               if (!strcmp(*refspec, "refs/tags/*"))
-                       return error(_("--mirror and --tags are incompatible"));
-               return error(_("--mirror can't be combined with refspecs"));
-       }
-
-       if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
-                               (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
-               return error(_("--all and --mirror are incompatible"));
-       }
-
        if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) {
                if (remote->push.raw_nr) {
                        refspec = remote->push.raw;
@@ -625,6 +608,20 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                die(_("--delete is incompatible with --all, --mirror and --tags"));
        if (deleterefs && argc < 2)
                die(_("--delete doesn't make sense without any refs"));
+       if (flags & TRANSPORT_PUSH_ALL) {
+               if (tags)
+                       die(_("--all and --tags are incompatible"));
+               if (argc >= 2)
+                       die(_("--all can't be combined with refspecs"));
+       }
+       if (flags & TRANSPORT_PUSH_MIRROR) {
+               if (tags)
+                       die(_("--mirror and --tags are incompatible"));
+               if (argc >= 2)
+                       die(_("--mirror can't be combined with refspecs"));
+       }
+       if ((flags & TRANSPORT_PUSH_ALL) && (flags & TRANSPORT_PUSH_MIRROR))
+               die(_("--all and --mirror are incompatible"));
 
        if (recurse_submodules == RECURSE_SUBMODULES_CHECK)
                flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;