$ git clone -n https://src.fedoraproject.org/rpms/libplacebo.git /var/lib/mock/f33-build-319395-57894/root/chroot_tmpdir/scmroot/libplacebo
Cloning into '/var/lib/mock/f33-build-319395-57894/root/chroot_tmpdir/scmroot/libplacebo'...
$ git reset --hard b618f8f92abd6976f24c3113920f26075e308658
HEAD is now at b618f8f - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild