$ git clone -n https://src.fedoraproject.org/rpms/butane.git /var/lib/mock/f40-build-805544-144810/root/chroot_tmpdir/scmroot/butane
Cloning into '/var/lib/mock/f40-build-805544-144810/root/chroot_tmpdir/scmroot/butane'...
$ git fetch origin 6e0232cefdb4b3d7b94a694bf7b36c937375e435:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/butane
 * [new ref]         6e0232cefdb4b3d7b94a694bf7b36c937375e435 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e0232c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild