$ git clone -n https://gitee.com/src-opencloudos-rpms/glib2.git /var/lib/mock/dist-oc8-build-249208-83795/root/chroot_tmpdir/scmroot/glib2
Cloning into '/var/lib/mock/dist-oc8-build-249208-83795/root/chroot_tmpdir/scmroot/glib2'...
$ git fetch origin 29c5a9464908559080055f2e38976ca904f44fae:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glib2
 * [new ref]         29c5a9464908559080055f2e38976ca904f44fae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29c5a94 import glib2-2.56.4-178.tl3