$ git clone -n https://src.fedoraproject.org/rpms/tnef.git /var/lib/mock/f40-build-750629-115135/root/chroot_tmpdir/scmroot/tnef
Cloning into '/var/lib/mock/f40-build-750629-115135/root/chroot_tmpdir/scmroot/tnef'...
$ git fetch origin 0c6fb6d9cdccdd4460d286d8fdf81ef01a07bad7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tnef
 * [new ref]         0c6fb6d9cdccdd4460d286d8fdf81ef01a07bad7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c6fb6d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild