$ git clone -n https://src.fedoraproject.org/rpms/mythes-sl.git /var/lib/mock/f40-build-2615072-64184/root/chroot_tmpdir/scmroot/mythes-sl
Cloning into '/var/lib/mock/f40-build-2615072-64184/root/chroot_tmpdir/scmroot/mythes-sl'...
$ git fetch origin 99237be7eba9a478aa12af01fb9050881c92b760:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mythes-sl
 * [new ref]         99237be7eba9a478aa12af01fb9050881c92b760 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99237be Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild