$ git clone -n https://src.fedoraproject.org/rpms/deepin-calendar.git /var/lib/mock/f39-build-1551266-36967/root/chroot_tmpdir/scmroot/deepin-calendar
Cloning into '/var/lib/mock/f39-build-1551266-36967/root/chroot_tmpdir/scmroot/deepin-calendar'...
$ git fetch origin 52cdaf3cf767f36de189a0968d07011927730cfb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-calendar
 * [new ref]         52cdaf3cf767f36de189a0968d07011927730cfb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52cdaf3 New release 5.10.0