fix: be more solid in case of launching the ``install`` hook outside of a LXC.

precise/0k-openerp/hooks/install

@@ -173,8 +173,10 @@ python setup.py install
 ## Linking with external filestore !
 ##
 
+
 (
 cd /opt/apps/0k-oe/openobject-server/openerp &&
+mkdir -p /var/openerp-filestore &&
 ln -sf /var/openerp-filestore filestore &&
 cd /var/openerp-filestore &&
 chown openerp .
@@ -186,10 +188,12 @@ chown openerp .
 ##
 
 (
+    if ! [ -d "/opt/apps/0k-manage" ]; then
         cd /opt/apps &&
         git clone $GIT_0K_CLONE_OPTIONS "$GIT_0K_BASE/0k/0k-manage.git" &&
         cd /opt/apps/0k-manage &&
-    git checkout 0k/prod/master &&
+        git checkout 0k/prod/master
+    fi
 
     ## beurk
     ln -sf "/opt/apps/0k-manage/src/bin/oe" "/usr/local/bin/oe"