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Start with checking out portage as a git submodule
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$ git submodule update --init
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Then update your ./portdir with
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$ ./update-portdir.sh
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At this point, you can already run the following script to get the list of
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Debian source packages that can be mapped to Gentoo packages and also have
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dependencies that can be dropped in Gentoo:
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$ ./find_reduced.py
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It will print:
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- a list of Debian source packages with dependencies that can be dropped
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- a list of Debian packages that cannot be mapped to Gentoo packages
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- a list of Gentoo packages that cannot be mapped to Debian packages
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Above script depends on the following data files to be present:
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portage - portage sourcecode
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* retrieved as a git submodule
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portdir - database of ebuild files
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* retrieved by ./update-portdir.sh
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reduced_gen_deps.list - Gentoo packages with reduced dependencies
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* generated by ./gentoo_dep_list.py
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gen_source_pkgs.list - list of Gentoo source packages
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* generated by ./gentoo_pkg_list_raw.sh
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deb_source_pkgs.list - list of Debian source packages
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* supplied by yourself
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deb2gen_mapping.list - mapping of Debian to Gentoo packages
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* created manually and/or with the help of
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./find_pkg_matches.py
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deb_source_pkgs.list is filled by the user. All other *.list files can be
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regenerated by the following scripts:
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$ ./gentoo_dep_list.py
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It writes all source packages with reduced build dependencies plus the build
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dependencies that can be dropped to reduced_gen_deps.list. Execution takes
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about 2.5 hours.
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$ ./gentoo_pkg_list_raw.sh
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It writes to gen_source_pkgs.list a list of all available Gentoo packages.
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$ ./find_pkg_matches.py
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Inspects the current content of deb2gen_mapping.list and prints a list of
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Debian packages that miss a mapping to Gentoo packages as well as a list of
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suggestions of Gentoo packages that sound similar.
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