depot/third_party/nixpkgs/pkgs/tools/nix/nix-init/license.nix
Default email 4bac34ead1 Project import generated by Copybara.
GitOrigin-RevId: 724bfc0892363087709bd3a5a1666296759154b1
2023-02-09 12:40:11 +01:00

77 lines
1.8 KiB
Nix

# vendored from src/licenses.nix
{ lib, writeText }:
let
inherit (lib)
concatMapAttrs
filterAttrs
flip
id
intersectLists
licenses
mapAttrsToList
optionalAttrs
pipe
warn
attrNames
concatStringsSep
length
;
licenseMap = flip concatMapAttrs licenses
(k: v: optionalAttrs (v ? spdxId && !v.deprecated) { ${v.spdxId} = k; });
deprecatedAliases = {
"AGPL-3.0" = "agpl3Only";
"BSD-2-Clause-FreeBSD" = "bsd2WithViews";
"BSD-2-Clause-NetBSD" = "bsd2";
"GFDL-1.1" = "fdl11Only";
"GFDL-1.2" = "fdl12Only";
"GFDL-1.3" = "fdl13Only";
"GPL-1.0" = "gpl1Only";
"GPL-1.0+" = "gpl1Plus";
"GPL-2.0" = "gpl2Only";
"GPL-2.0+" = "gpl2Plus";
"GPL-3.0" = "gpl3Only";
"GPL-3.0+" = "gpl3Plus";
"LGPL-2.0" = "lgpl2Only";
"LGPL-2.0+" = "lgpl2Plus";
"LGPL-2.1" = "lgpl21Only";
"LGPL-2.1+" = "lgpl21Plus";
"LGPL-3.0" = "lgpl3Only";
"LGPL-3.0+" = "lgpl3Plus";
};
lints = {
"deprecated licenses" = intersectLists
(attrNames licenseMap)
(attrNames deprecatedAliases);
"invalid aliases" = attrNames (filterAttrs
(k: v: licenses.${v}.deprecated or true)
deprecatedAliases);
};
lint = flip pipe
(flip mapAttrsToList lints (k: v:
if v == [ ] then
id
else
warn "${k}: ${concatStringsSep ", " v}"));
inserts = lint (mapAttrsToList
(k: v: '' xs.insert("${k}", "${v}");'')
(deprecatedAliases // licenseMap));
in
writeText "license.rs" ''
fn get_nix_licenses() -> rustc_hash::FxHashMap<&'static str, &'static str> {
let mut xs = std::collections::HashMap::with_capacity_and_hasher(
${toString (length inserts)},
Default::default(),
);
${concatStringsSep "\n " inserts}
xs
}
''