$ git clone -n https://gitee.com/fundawang/tar.git /var/lib/mock/dist-an23-build-287393-64835/root/chroot_tmpdir/scmroot/tar
Cloning into '/var/lib/mock/dist-an23-build-287393-64835/root/chroot_tmpdir/scmroot/tar'...
$ git fetch origin 806a135c04351a58c2ca578ee60b83173445f3f3:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/tar
 * [new ref]         806a135c04351a58c2ca578ee60b83173445f3f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 806a135 1.35