$ git clone -n https://src.fedoraproject.org/rpms/akonadi-calendar-tools.git /var/lib/mock/f42-build-864092-172181/root/chroot_tmpdir/scmroot/akonadi-calendar-tools
Cloning into '/var/lib/mock/f42-build-864092-172181/root/chroot_tmpdir/scmroot/akonadi-calendar-tools'...
$ git fetch origin 6e168e97dfaa3889ceea2946cf3deec06ed55f18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akonadi-calendar-tools
 * [new ref]         6e168e97dfaa3889ceea2946cf3deec06ed55f18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e168e9 24.12.0