$ git clone -n https://src.fedoraproject.org/rpms/efifs.git /var/lib/mock/f40-build-2291777-56073/root/chroot_tmpdir/scmroot/efifs
Cloning into '/var/lib/mock/f40-build-2291777-56073/root/chroot_tmpdir/scmroot/efifs'...
$ git fetch origin f391a200efd50944086f86c5f9a5a58e00b5247a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/efifs
 * [new ref]         f391a200efd50944086f86c5f9a5a58e00b5247a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f391a20 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild