$ git clone -n https://src.fedoraproject.org/rpms/akonadi-calendar.git /var/lib/mock/f41-build-1280427-23185/root/chroot_tmpdir/scmroot/akonadi-calendar
Cloning into '/var/lib/mock/f41-build-1280427-23185/root/chroot_tmpdir/scmroot/akonadi-calendar'...
$ git fetch origin fa45841ad8da69aebaff27593e24ab0b4019a08a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akonadi-calendar
 * [new ref]         fa45841ad8da69aebaff27593e24ab0b4019a08a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa45841 24.05.1