$ git clone -n https://src.fedoraproject.org/rpms/calendarsupport.git /var/lib/mock/f41-build-847949-164378/root/chroot_tmpdir/scmroot/calendarsupport
Cloning into '/var/lib/mock/f41-build-847949-164378/root/chroot_tmpdir/scmroot/calendarsupport'...
$ git fetch origin a3034b8ce24d7e84d8a916097a8d53b19095162a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/calendarsupport
 * [new ref]         a3034b8ce24d7e84d8a916097a8d53b19095162a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3034b8 24.08.0