$ git clone -n https://src.fedoraproject.org/rpms/libdvdread.git /var/lib/mock/f31-build-68496-30191/root/chroot_tmpdir/scmroot/libdvdread
Cloning into '/var/lib/mock/f31-build-68496-30191/root/chroot_tmpdir/scmroot/libdvdread'...
$ git reset --hard 3e0d4960a0329029ce7c99368b82a16ac4ea396b
HEAD is now at 3e0d496 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild