$ git clone -n https://gitee.com/fundawang/groff.git /var/lib/mock/dist-an23-build-284517-64755/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-an23-build-284517-64755/root/chroot_tmpdir/scmroot/groff'...
$ git fetch origin f43aea0ba794ca03f3305c9cb2a25bd625b8cc87:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/groff
 * [new ref]         f43aea0ba794ca03f3305c9cb2a25bd625b8cc87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f43aea0 update