47 lines
1,004 B
Nix
47 lines
1,004 B
Nix
{
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stdenv,
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lib,
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fetchurl,
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readline,
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enableCurrenciesUpdater ? true,
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pythonPackages ? null
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}:
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assert enableCurrenciesUpdater -> pythonPackages != null;
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stdenv.mkDerivation rec {
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pname = "units";
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version = "2.22";
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src = fetchurl {
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url = "mirror://gnu/units/${pname}-${version}.tar.gz";
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sha256 = "sha256-XRPhIHch/ncm2Qa6HZLcDt2qn8JnWe0i47jRp5MSWEg=";
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};
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pythonEnv = pythonPackages.python.withPackages(ps: [
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ps.requests
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]);
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buildInputs = [ readline ]
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++ lib.optionals enableCurrenciesUpdater [
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pythonEnv
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]
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;
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prePatch = ''
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substituteInPlace units_cur \
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--replace "#!/usr/bin/env python" ${pythonEnv}/bin/python
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'';
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postInstall = ''
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cp units_cur ${placeholder "out"}/bin/
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'';
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doCheck = true;
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meta = with lib; {
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description = "Unit conversion tool";
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homepage = "https://www.gnu.org/software/units/";
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license = [ licenses.gpl3Plus ];
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platforms = platforms.all;
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maintainers = [ maintainers.vrthra ];
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};
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}
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