$ git clone -n https://src.fedoraproject.org/rpms/mirrorlist-server.git /var/lib/mock/f40-build-2298538-56533/root/chroot_tmpdir/scmroot/mirrorlist-server
Cloning into '/var/lib/mock/f40-build-2298538-56533/root/chroot_tmpdir/scmroot/mirrorlist-server'...
$ git fetch origin d1161683d5b86e50c9e21a7a887e90a9e39f4b22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mirrorlist-server
 * [new ref]         d1161683d5b86e50c9e21a7a887e90a9e39f4b22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d116168 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild