scm: mercurial: do nothing in fetching if info is nil (#8777).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@6246 e93f8b46-1217-0410-a6f0-8f06a7374b81

diff --git a/app/models/repository/mercurial.rb b/app/models/repository/mercurial.rb
index 268d30486e8362d8148a3f16338cd7baefbc2d17..6db3e2566c68f7a1fd45aba07d87ba09057943fc 100644 (file)
--- a/app/models/repository/mercurial.rb
+++ b/app/models/repository/mercurial.rb
@@ -126,6 +126,7 @@ class Repository::Mercurial < Repository
   private :latest_changesets_cond
 
   def fetch_changesets
+    return if scm.info.nil?
     scm_rev = scm.info.lastrev.revision.to_i
     db_rev  = latest_changeset ? latest_changeset.revision.to_i : -1
     return unless db_rev < scm_rev  # already up-to-date