1 files changed, 6 insertions, 0 deletions
diff --git a/src/mozclient/lib/MozClient/Subversion.pm b/src/mozclient/lib/MozClient/Subversion.pm
index dc35564..0437a50 100644
--- a/src/mozclient/lib/MozClient/Subversion.pm
+++ b/src/mozclient/lib/MozClient/Subversion.pm
@@ -23,6 +23,7 @@ package MozClient::Subversion;
 
 use vars qw(@ISA);
 use strict;
+use Carp;
 use MozClient::VCS;
 
 @ISA = ("MozClient::VCS");
@@ -69,6 +70,11 @@ sub checkout {
 
   $self->LOG("MozClient::Subversion::checkout:()");
 
+  if (defined $self->{'local-branch'}) {
+    confess "Can't MozClient::checkout() a local branch for " . $self->vcs;
+    # TODO: fix it if needed
+  }
+
   $self->chdir($self->work_dir);
   my $modules = [];
   $self->{'MOZCLIENT_VCS_LOC'} .= "/" unless $self->{'MOZCLIENT_VCS_LOC'} =~ m,/$,;