$ git clone -n https://src.fedoraproject.org/rpms/hot-tux.git /var/lib/mock/f40-build-793157-138794/root/chroot_tmpdir/scmroot/hot-tux
Cloning into '/var/lib/mock/f40-build-793157-138794/root/chroot_tmpdir/scmroot/hot-tux'...
$ git fetch origin 00a00042d7c89797c3cf06503753cf013b4e9c98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hot-tux
 * [new ref]         00a00042d7c89797c3cf06503753cf013b4e9c98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00a0004 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild