Proper wiki restore. Fixes #845

CHANGELOG

@@ -2,7 +2,7 @@ v 7.6.0
   - Fork repository to groups
   - New rugged version
   - Add CRON=1 backup setting for quiet backups
-  -
+  - Fix failing wiki restore
   -
   - Add optional Sidekiq MemoryKiller middleware (enabled via SIDEKIQ_MAX_RSS env variable)
   -

lib/backup/repository.rb

@@ -79,9 +79,14 @@ module Backup
 
         wiki = ProjectWiki.new(project)
 
-        if File.exists?(path_to_bundle(wiki))
         $progress.print " * #{wiki.path_with_namespace} ... "
+
+        if File.exists?(path_to_bundle(wiki))
           cmd = %W(git clone --bare #{path_to_bundle(wiki)} #{path_to_repo(wiki)})
+        else
+          cmd = %W(git init --bare #{path_to_repo(wiki)})
+        end
+
         if system(*cmd, silent)
           $progress.puts " [DONE]".green
         else
@@ -90,7 +95,6 @@ module Backup
           abort 'Restore failed'
         end
       end
-      end
 
       $progress.print 'Put GitLab hooks in repositories dirs'.yellow
       cmd = "#{Gitlab.config.gitlab_shell.path}/bin/create-hooks"