$ git clone -n https://src.fedoraproject.org/rpms/deepin-session-ui.git /var/lib/mock/f39-build-1795782-41757/root/chroot_tmpdir/scmroot/deepin-session-ui
Cloning into '/var/lib/mock/f39-build-1795782-41757/root/chroot_tmpdir/scmroot/deepin-session-ui'...
$ git fetch origin 858acfa846219efb73e95e944bff0b1012b88dcd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-session-ui
 * [new ref]         858acfa846219efb73e95e944bff0b1012b88dcd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 858acfa New release 5.6.2