$ git clone -n https://gitee.com/alpha-wang/u21-hidraw-policy.git /var/lib/mock/dist-an8-epao-build-426637-72923/root/chroot_tmpdir/scmroot/u21-hidraw-policy
Cloning into '/var/lib/mock/dist-an8-epao-build-426637-72923/root/chroot_tmpdir/scmroot/u21-hidraw-policy'...
$ git fetch origin e6dbb3e7e48767fdc8187e6efaba9e6b463bb41e:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/u21-hidraw-policy
 * [new ref]         e6dbb3e7e48767fdc8187e6efaba9e6b463bb41e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6dbb3e init to 1.0.2