$ git clone -n https://src.fedoraproject.org/rpms/kf5-calendarsupport.git /var/lib/mock/f39-test-2571169-62244/root/chroot_tmpdir/scmroot/kf5-calendarsupport
Cloning into '/var/lib/mock/f39-test-2571169-62244/root/chroot_tmpdir/scmroot/kf5-calendarsupport'...
$ git fetch origin 0e3c7a46a7f4add020bd76c16170aa36239bffdc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-calendarsupport
 * [new ref]         0e3c7a46a7f4add020bd76c16170aa36239bffdc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e3c7a4 23.08.5