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|
{
stdenv,
lib,
fetchFromGitHub,
llvmPackages,
}: let
self = stdenv.mkDerivation rec {
pname = "cscript";
version = "16-11-2024"; # Date of latest commit.
src = fetchFromGitHub {
owner = "linnnus";
repo = pname;
rev = "45c8dca682484a6a5873e38d917960ff1f7e971e";
hash = "sha256-KhmHd8mQ387aSfXPAm7sJNFXlUKNyKPRITG1JUUjRE4=";
};
# Instead of using the system CC and LLDB (impure), use the most recent LLVM release.
postPatch = let
toStringLiteral = lib.flip lib.pipe [builtins.toJSON lib.strings.escapeShellArg];
ccPathLiteral = toStringLiteral "${llvmPackages.clang}/bin/clang";
lldbPathLiteral = toStringLiteral "${llvmPackages.lldb}/bin/lldb";
in ''
substituteInPlace cscript.c \
--replace-fail '"cc"' ${ccPathLiteral} \
--replace-fail '"lldb"' ${lldbPathLiteral} \
'';
preInstall = "mkdir -p $out/bin";
makeFlags = ["INSTALL=$(out)/bin"];
doCheck = true;
doInstallCheck = true;
preInstallCheck = ''export PATH="$out/bin:$PATH"''; # Otherwise `/usr/bin/env` can't find `cscript`.
installCheckTarget = "installtest";
passthru = rec {
# Mimic Python's interpreter attributes.
# See: https://nixos.org/manual/nixpkgs/stable/#attributes-on-interpreters-packages
executable = "cscript";
interpreter = "${self}/bin/${executable}";
};
meta = with lib; {
description = "My take on the native shebang programming task from Rosetta Code";
longDescription = ''
This package contains a C "interpreter". Behind the scenes it actually
compiles the file and runs it immediately, so it's not really an
interpreter. Point is, it allows you to use a shebang (just like
`#!/bin/sh`) to write C programs that execute like a Bash scripts.
'';
license = licenses.unlicense;
};
};
in
self
|
