$ git clone -n https://src.fedoraproject.org/rpms/akonadi-contacts.git /var/lib/mock/f42-build-864238-172274/root/chroot_tmpdir/scmroot/akonadi-contacts
Cloning into '/var/lib/mock/f42-build-864238-172274/root/chroot_tmpdir/scmroot/akonadi-contacts'...
$ git fetch origin e3da59993680d46efd5b23baf0fd8ffcc8742e88:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akonadi-contacts
 * [new ref]         e3da59993680d46efd5b23baf0fd8ffcc8742e88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3da599 24.12.0