$ git clone -n https://gitee.com/src-opencloudos-rpms/ghostscript.git /var/lib/mock/dist-oc8-build-81273-54964/root/chroot_tmpdir/scmroot/ghostscript
Cloning into '/var/lib/mock/dist-oc8-build-81273-54964/root/chroot_tmpdir/scmroot/ghostscript'...
$ git fetch origin c40cc0344fc36a683a1a684d742bad084be8dc3a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ghostscript
 * [new ref]         c40cc0344fc36a683a1a684d742bad084be8dc3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c40cc03 import ghostscript-9.27-13.tl3