$ git clone -n https://src.fedoraproject.org/rpms/ibus-chewing.git /var/lib/mock/f29-build-2663-774/root/thebuilddir/tmp/scmroot/ibus-chewing
Cloning into '/var/lib/mock/f29-build-2663-774/root/thebuilddir/tmp/scmroot/ibus-chewing'...
$ git reset --hard 55c37cb6d3c4a759dccdba65e9550ba81ab530a6
HEAD is now at 55c37cb - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild