$ git clone -n https://src.fedoraproject.org/rpms/lxc.git /var/lib/mock/f40-build-2278912-55294/root/chroot_tmpdir/scmroot/lxc
Cloning into '/var/lib/mock/f40-build-2278912-55294/root/chroot_tmpdir/scmroot/lxc'...
$ git fetch origin 3392f4dd2f69bfd4b59dd3c5e18bdf6f58540b75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lxc
 * [new ref]         3392f4dd2f69bfd4b59dd3c5e18bdf6f58540b75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3392f4d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild