$ git clone -n https://src.fedoraproject.org/rpms/readline.git /var/lib/mock/f40-build-2321321-58565/root/chroot_tmpdir/scmroot/readline
Cloning into '/var/lib/mock/f40-build-2321321-58565/root/chroot_tmpdir/scmroot/readline'...
$ git fetch origin b92a1a5ac70de3f84a34996fca13b098992ec1b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/readline
 * [new ref]         b92a1a5ac70de3f84a34996fca13b098992ec1b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b92a1a5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild