Force --no-delete if --no-create

If project was created with --no-create option set then it doesn't
make sense to attempt to delete the remote.  This will force the
option no matter if --delete or --no-delete are given.

add_mirror.sh

@@ -375,6 +375,9 @@ if ${git};then
   git fetch
   git remote prune origin
   git push gitlab
+  if [ ! -z "${no_create}" ];then
+    git config gitlabmirrors.nocreate true
+  fi
   green_echo "All done!" 1>&2
 elif ${svn};then
   #create a mirror

delete_mirror.sh

@@ -141,6 +141,12 @@ if ! ${quiet};then
   fi
 fi
 
+pushd "${repo_dir}/${gitlab_namespace}/${project_name}" &> /dev/null
+if git config --get gitlabmirrors.nocreate &> /dev/null && [ "$(git config --get gitlabmirrors.nocreate)" = "true" ];then
+  no_delete=true
+fi
+popd &> /dev/null
+
 rm -rf "${repo_dir}/${gitlab_namespace}/${project_name}"
 green_echo -n "DELETED" 1>&2
 echo " ${repo_dir}/${gitlab_namespace}/${project_name}" 1>&2