--- a/rakelib/hglib.rb	Thu Oct 05 10:53:55 2017 +0100
+++ b/rakelib/hglib.rb	Tue Aug 22 10:11:36 2017 +0100
@@ -448,7 +448,7 @@
     def push(remote = 'default', user: nil, pass: nil, rev: nil, bookmarks: [])
       hg('push', remote, ssh: sshconf(remote), config: authconf(remote, user, pass), rev: rev, bookmark: bookmarks) do |status, stdout, stderr|
         STDOUT.puts stdout
-        unless status.exitstatus == 0 and status.exitstatus == 1
+        unless status.exitstatus == 0 or status.exitstatus == 1
           STDERR.puts stderr
           raise Exception.new("Failed to 'push' from #{remote} (exit code #{status.exitstatus})")
         end