$ git clone -n https://gitee.com/src-opencloudos-rpms/ghostscript.git /var/lib/mock/dist-oc9-build-119272-70095/root/chroot_tmpdir/scmroot/ghostscript
Cloning into '/var/lib/mock/dist-oc9-build-119272-70095/root/chroot_tmpdir/scmroot/ghostscript'...
$ git fetch origin 12b5a56c72613968a9e1cd8e3e7ea6d6e2a74a22:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ghostscript
 * [new ref]         12b5a56c72613968a9e1cd8e3e7ea6d6e2a74a22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12b5a56 import ghostscript-10.02.1-8.tl4