$ git clone -n https://gitee.com/wency_cn/ghostscript_1770764695.git /var/lib/mock/dist-an23-build-513345-75099/root/chroot_tmpdir/scmroot/ghostscript_1770764695
Cloning into '/var/lib/mock/dist-an23-build-513345-75099/root/chroot_tmpdir/scmroot/ghostscript_1770764695'...
$ git fetch origin cc6575068590b7c1e42dbd86f7410cac28168641:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/ghostscript_1770764695
 * [new ref]         cc6575068590b7c1e42dbd86f7410cac28168641 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc65750 Update code from upstream