75 lines
1.7 KiB
Nix
75 lines
1.7 KiB
Nix
# vendored from src/get-nix-license.nix
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{ lib, writeText }:
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let
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inherit (lib)
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attrNames
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concatMapAttrs
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concatStringsSep
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filterAttrs
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flip
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id
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intersectLists
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licenses
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mapAttrsToList
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optionalAttrs
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pipe
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warn
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;
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licenseMap = flip concatMapAttrs licenses
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(k: v: optionalAttrs (v ? spdxId && !v.deprecated) { ${v.spdxId} = k; });
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deprecatedAliases = {
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"AGPL-3.0" = "agpl3Only";
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"BSD-2-Clause-FreeBSD" = "bsd2WithViews";
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"BSD-2-Clause-NetBSD" = "bsd2";
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"GFDL-1.1" = "fdl11Only";
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"GFDL-1.2" = "fdl12Only";
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"GFDL-1.3" = "fdl13Only";
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"GPL-1.0" = "gpl1Only";
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"GPL-1.0+" = "gpl1Plus";
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"GPL-2.0" = "gpl2Only";
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"GPL-2.0+" = "gpl2Plus";
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"GPL-3.0" = "gpl3Only";
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"GPL-3.0+" = "gpl3Plus";
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"LGPL-2.0" = "lgpl2Only";
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"LGPL-2.0+" = "lgpl2Plus";
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"LGPL-2.1" = "lgpl21Only";
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"LGPL-2.1+" = "lgpl21Plus";
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"LGPL-3.0" = "lgpl3Only";
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"LGPL-3.0+" = "lgpl3Plus";
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};
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lints = {
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"deprecated licenses" = intersectLists
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(attrNames licenseMap)
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(attrNames deprecatedAliases);
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"invalid aliases" = attrNames (filterAttrs
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(k: v: licenses.${v}.deprecated or true)
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deprecatedAliases);
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};
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lint = flip pipe
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(flip mapAttrsToList lints (k: v:
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if v == [ ] then
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id
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else
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warn "${k}: ${concatStringsSep ", " v}"));
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arms = lint (concatStringsSep "\n "
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(mapAttrsToList
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(k: v: ''"${k}" => Some("${v}"),'')
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(deprecatedAliases // licenseMap)));
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in
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writeText "get-nix-license.rs" ''
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pub fn get_nix_license(license: &str) -> Option<&'static str> {
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match license {
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${arms}
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_ => None,
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}
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}
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''
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