$ git clone -n https://gitee.com/src-opencloudos-rpms/glib2.git /var/lib/mock/dist-oc9-build-231641-81622/root/chroot_tmpdir/scmroot/glib2
Cloning into '/var/lib/mock/dist-oc9-build-231641-81622/root/chroot_tmpdir/scmroot/glib2'...
$ git fetch origin 8a628da3be88f4fda9d365caa98a779cf746fe86:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glib2
 * [new ref]         8a628da3be88f4fda9d365caa98a779cf746fe86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a628da import glib2-2.78.3-12.tl4