$ git clone -n https://src.fedoraproject.org/rpms/python-readchar.git /var/lib/mock/f40-build-2676790-67875/root/chroot_tmpdir/scmroot/python-readchar
Cloning into '/var/lib/mock/f40-build-2676790-67875/root/chroot_tmpdir/scmroot/python-readchar'...
$ git fetch origin c56ffb2df919ffa4f31f280643ffd7aa7089d2a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-readchar
 * [new ref]         c56ffb2df919ffa4f31f280643ffd7aa7089d2a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c56ffb2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild