$ git clone -n https://gitee.com/src-opencloudos-rpms/ghostscript.git /var/lib/mock/dist-oc8-build-254733-84455/root/chroot_tmpdir/scmroot/ghostscript
Cloning into '/var/lib/mock/dist-oc8-build-254733-84455/root/chroot_tmpdir/scmroot/ghostscript'...
$ git fetch origin 794037dba05d183a3bced346d0fa4897ffc597a5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ghostscript
 * [new ref]         794037dba05d183a3bced346d0fa4897ffc597a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 794037d import ghostscript-9.27-20.tl3