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Michał Górny
2e265190e0
Add a file defining mapping of SPDX-2.0 license identifiers to Gentoo ebuild licenses. This was originally discussed on Gentoo Bugzilla [1], the submitted to the gentoo-dev ml [2]. The proposed file uses the common key-value format used for configuration files. Currently only `spdx-to-ebuild` section is defined but other kinds of mapping can be added in the future. As described in the top comment, it provides the ability to map SPDX-2.0 license identifiers along with the `+` and `WITH` operators to arbitrary Gentoo LICENSE strings (including all-of and any-of groups). The initial list was based on cargo-ebuild's license.rs [3], courtesy of Leonardo H. Neumann and Georgy Yakovlev. I have done some changes, particularly removed some incorrect mappings and added more variants from the same license groups (e.g. GPL variants). Ulrich Müller has noticed a number of problems and given helpful suggestions. A parser for this file format is implemented in pycargoebuild [4]. [1] https://bugs.gentoo.org/706472 [2] https://archives.gentoo.org/gentoo-dev/message/01924bb71411696dce04445d85da508d [3] https://gitweb.gentoo.org/proj/cargo-ebuild.git/tree/src/license.rs?id=b4314edc5bb672f5e94dcbc996f443e98fdb4dba [4] https://github.com/projg2/pycargoebuild/ Closes: https://github.com/gentoo/gentoo/pull/28256 Signed-off-by: Michał Górny <mgorny@gentoo.org>