$ git clone -n https://gitee.com/fundawang/coreutils.git /var/lib/mock/dist-an23-build-297574-65830/root/chroot_tmpdir/scmroot/coreutils
Cloning into '/var/lib/mock/dist-an23-build-297574-65830/root/chroot_tmpdir/scmroot/coreutils'...
$ git fetch origin b943b26d4f5c719386af184523a573005e376e67:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/coreutils
 * [new ref]         b943b26d4f5c719386af184523a573005e376e67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b943b26 9.4