$ git clone -n https://src.fedoraproject.org/rpms/akonadi-server.git /var/lib/mock/f42-build-863452-171710/root/chroot_tmpdir/scmroot/akonadi-server
Cloning into '/var/lib/mock/f42-build-863452-171710/root/chroot_tmpdir/scmroot/akonadi-server'...
$ git fetch origin 6a46ebe07b2c57db79fc4d00d16e7765416f9ca1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akonadi-server
 * [new ref]         6a46ebe07b2c57db79fc4d00d16e7765416f9ca1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a46ebe 24.12.0