$ git clone -n https://src.fedoraproject.org/rpms/libdvdread.git /var/lib/mock/f40-build-784893-133654/root/chroot_tmpdir/scmroot/libdvdread
Cloning into '/var/lib/mock/f40-build-784893-133654/root/chroot_tmpdir/scmroot/libdvdread'...
$ git fetch origin 83ec8ac99c532c4014735dc0ac2733a89c05e4a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libdvdread
 * [new ref]         83ec8ac99c532c4014735dc0ac2733a89c05e4a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83ec8ac Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild