pull-requests: in case of an error redirect to the same url as source.

- will keep the bookmark/branch info, and help re-select proper revisions.

rhodecode/apps/repository/views/repo_pull_requests.py

@@ -812,12 +812,16 b' class RepoPullRequestsView(RepoAppView, '
             Session().commit()
             h.flash(_('Successfully opened new pull request'),
                     category='success')
-        except Exception as e:
+        except Exception:
             msg = _('Error occurred during creation of this pull request.')
             log.exception(msg)
             h.flash(msg, category='error')
+
+            # copy the args back to redirect
+            org_query = self.request.GET.mixed()
             raise HTTPFound(
-                h.route_path('pullrequest_new', repo_name=self.db_repo_name))
+                h.route_path('pullrequest_new', repo_name=self.db_repo_name,
+                             _query=org_query))
 
         raise HTTPFound(
             h.route_path('pullrequest_show', repo_name=target_repo,

rhodecode/templates/pullrequests/pullrequest.mako

@@ -22,7 +22,7 b''
         ${self.repo_page_title(c.rhodecode_db_repo)}
     </div>
 
-    ${h.secure_form(h.route_path('pullrequest_create', repo_name=c.repo_name), id='pull_request_form', method='POST', request=request)}
+    ${h.secure_form(h.route_path('pullrequest_create', repo_name=c.repo_name, _query=request.GET.mixed()), id='pull_request_form', method='POST', request=request)}
 
         ${self.breadcrumbs()}