$ git clone -n https://src.fedoraproject.org/rpms/deepin-session-ui.git /var/lib/mock/f41-build-848446-164432/root/chroot_tmpdir/scmroot/deepin-session-ui
Cloning into '/var/lib/mock/f41-build-848446-164432/root/chroot_tmpdir/scmroot/deepin-session-ui'...
$ git fetch origin 720ec37c6b618bfa2441996b48af043a61eeeccc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-session-ui
 * [new ref]         720ec37c6b618bfa2441996b48af043a61eeeccc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 720ec37 6.0.22