$ git clone -n https://src.fedoraproject.org/rpms/kf5-akonadi-server.git /var/lib/mock/f45-build-14764-463/root/chroot_tmpdir/scmroot/kf5-akonadi-server
Cloning into '/var/lib/mock/f45-build-14764-463/root/chroot_tmpdir/scmroot/kf5-akonadi-server'...
$ git fetch origin 3606cb8b37c5747681ae40a5d1ad7c26b23654bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-akonadi-server
 * [new ref]         3606cb8b37c5747681ae40a5d1ad7c26b23654bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3606cb8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild