opam-downloader

git submodule init --update
./scripts/prepare-list.sh

# download all packages in package-list.txt. it will create 'download' directory
./scripts/download-list.sh ./package-list.txt

# add tar.gz to files without extensions
./scripts/rename-specific.sh

# extract all files in download/NAME/*.*
# will create 'extract' directory
./scripts/extract.sh