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nix-packages/lib/mkPleromaEmoji.nix

47 lines
1.1 KiB
Nix

{
stdenv,
fetchurl,
pngquant,
lib,
libarchive,
}: {
name,
manifest,
...
} @ args: let
manifestData = (builtins.fromJSON (builtins.readFile manifest)).${name};
src = fetchurl {
url = manifestData.src;
sha256 = manifestData.src_sha256;
};
brokenLicenses = {
"CC BY-NC-SA 4.0" = lib.licenses.cc-by-nc-sa-20;
"Apache 2.0" = lib.licenses.asl20;
};
fixLicense = license: brokenLicenses.${license} or license;
in
stdenv.mkDerivation ({
inherit name src;
nativeBuildInputs = [
pngquant
libarchive
];
unpackPhase = ''
bsdtar -xf $src
'';
buildPhase = ''
find . -type f -name '*.png' -print0 | xargs -0 -n 1 -P $NIX_BUILD_CORES sh -c '${./crushpng.sh} $0 $0.new 50000'
for f in $(find . -type f -name '*.new'); do
mv $f ${"$"}{f%.new}
done
'';
installPhase = ''
mkdir $out
cp -r *.png $out
'';
meta = {
inherit (manifestData) description homepage;
license = fixLicense manifestData.license;
};
}
// args)