$ git clone -n https://gitee.com/wency_cn/ghostscript.git /var/lib/mock/dist-an23-build-494235-74584/root/chroot_tmpdir/scmroot/ghostscript
Cloning into '/var/lib/mock/dist-an23-build-494235-74584/root/chroot_tmpdir/scmroot/ghostscript'...
$ git fetch origin 3a829fce3fe93b91ec94b7e2d2ec215a1d2f8fb4:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/ghostscript
 * [new ref]         3a829fce3fe93b91ec94b7e2d2ec215a1d2f8fb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a829fc Update code from upstream