It sems it just works now, it even ask user to provided checksums for unknown archive; these hashes have been matched against lgogdownloader cache.
TMPDIR=/home/tchet/tmp/ ./run baldurs-gate-1 ../../gdp/baldur/gog_baldur_s_gate_the_original_saga_2.0.0.9.sh --no-compress Please report this unknown archive to game-data-packa...@packages.debian.org 2093289167 db423fb2d41ea1f844cec141e6396a9b gog_baldur_s_gate_the_original_saga_2.0.0.9.sh ba6b0f1cb1eec8e8fcba96d71f6eba066de3254b gog_baldur_s_gate_the_original_saga_2.0.0.9.sh INFO:game-data-packager.build:extracting .... (4 big .bif files) INFO:game-data-packager.build:generating package baldurs-gate-1-en-data generated "/home/tchet/git/game-data-packager/baldurs-gate-1-en-data_43_all.deb"