$ git clone -n https://gitee.com/src-opencloudos-rpms/ghostscript.git /var/lib/mock/dist-oc8-build-138102-79637/root/chroot_tmpdir/scmroot/ghostscript
Cloning into '/var/lib/mock/dist-oc8-build-138102-79637/root/chroot_tmpdir/scmroot/ghostscript'...
$ git fetch origin f16744f28145eb6c08c39d75173fb5ce3656aac1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ghostscript
 * [new ref]         f16744f28145eb6c08c39d75173fb5ce3656aac1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f16744f import ghostscript-9.27-17.tl3