diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 83cfa1e1a..6c115fc11 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -94,14 +94,19 @@ class RepositoriesController < ApplicationController
 
 
   HOOK_TEMPLATE = %Q{#!/bin/sh
-exec git update-server-info
-
-CMD_PATH=`dirname $0`
-cd $CMD_PATH
-PY_PATH=$PWD/../../git_refresh_changes.py
-[[ -s "$PY_PATH"   ]] && $(which python) $PY_PATH $(dirname $PWD)
-cd -
+exec sh -c '
+function update()
+{
+        CMD_PATH=`dirname $0`;
+        cd $CMD_PATH;
+        PY_PATH=$PWD/../../git_refresh_changes.py;
+        [[ -s "$PY_PATH"   ]] && $(which python) $PY_PATH $PWD;
+        cd -;
 }
+git update-server-info
+update
+'
+  }
 
   def create
     if params[:repository_scm].to_s == 'Gitlab'
diff --git a/lib/tasks/git_post_update.rake b/lib/tasks/git_post_update.rake
index 170bd0467..18ed4fbc8 100644
--- a/lib/tasks/git_post_update.rake
+++ b/lib/tasks/git_post_update.rake
@@ -1,14 +1,18 @@
 namespace :git_post_update do
 
   HOOK_TEMPLATE = %Q{#!/bin/sh
-
-exec git update-server-info
-
-CMD_PATH=`dirname $0`
-cd $CMD_PATH
-PY_PATH=$PWD/../../../git_refresh_changes.py
-  [[ -s "$PY_PATH"   ]] && $(which python) $PY_PATH $(dirname $PWD)
-  cd -
+exec sh -c '
+function update()
+{
+        CMD_PATH=`dirname $0`;
+        cd $CMD_PATH;
+        PY_PATH=$PWD/../../git_refresh_changes.py;
+        [[ -s "$PY_PATH"   ]] && $(which python) $PY_PATH $PWD;
+        cd -;
+}
+git update-server-info
+update
+'
   }
 
   desc "update old post-update file, REP_PATH"