$ git clone -n https://gitee.com/src-opencloudos-rpms/ghostscript.git /var/lib/mock/dist-oc9-build-81819-56008/root/chroot_tmpdir/scmroot/ghostscript
Cloning into '/var/lib/mock/dist-oc9-build-81819-56008/root/chroot_tmpdir/scmroot/ghostscript'...
$ git fetch origin 7749f0aa22e8d175ed53f4455fae180e234af1e9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ghostscript
 * [new ref]         7749f0aa22e8d175ed53f4455fae180e234af1e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7749f0a import ghostscript-10.02.1-5.tl4