nixpkgs/pkgs/development/interpreters/lfe/generic-builder.nix

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{ lib, fetchFromGitHub, erlang, makeWrapper, coreutils, bash, buildRebar3, buildHex }:
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{ baseName ? "lfe"
, version
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, maximumOTPVersion
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, sha256 ? null
, rev ? version
, src ? fetchFromGitHub { inherit rev sha256; owner = "rvirding"; repo = "lfe"; }
, patches ? []
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}:
let
inherit (lib)
assertMsg makeBinPath optionalString
getVersion versionAtLeast versionOlder versions;
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mainVersion = versions.major (getVersion erlang);
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proper = buildHex {
name = "proper";
version = "1.1.1-beta";
sha256 = "0hnkhs761yjynw9382w8wm4j3x0r7lllzavaq2kh9n7qy3zc1rdx";
configurePhase = ''
${erlang}/bin/escript write_compile_flags include/compile_flags.hrl
'';
};
in
assert (assertMsg (versionAtLeast maximumOTPVersion mainVersion)) ''
LFE ${version} is supported on OTP <=${maximumOTPVersion}, not ${mainVersion}.
'';
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buildRebar3 {
name = baseName;
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inherit src version;
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buildInputs = [ erlang makeWrapper ];
beamDeps = [ proper ];
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patches = [ ./fix-rebar-config.patch ./dedup-ebins.patch ] ++ patches;
doCheck = true;
checkTarget = "travis";
makeFlags = [ "-e" "MANDB=''" "PREFIX=$$out"];
# These installPhase tricks are based on Elixir's Makefile.
# TODO: Make, upload, and apply a patch.
installPhase = optionalString (versionOlder version "1.3") ''
local libdir=$out/lib/lfe
local ebindir=$libdir/ebin
local bindir=$libdir/bin
rm -Rf $ebindir
install -m755 -d $ebindir
install -m644 _build/default/lib/lfe/ebin/* $ebindir
install -m755 -d $bindir
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for bin in bin/lfe{,c,doc,script}; do install -m755 $bin $bindir; done
install -m755 -d $out/bin
for file in $bindir/*; do ln -sf $file $out/bin/; done
'';
# Thanks again, Elixir.
postFixup = ''
# LFE binaries are shell scripts which run erl and lfe.
# Add some stuff to PATH so the scripts can run without problems.
for f in $out/bin/*; do
wrapProgram $f \
--prefix PATH ":" "${makeBinPath [ erlang coreutils bash ]}:$out/bin"
substituteInPlace $f --replace "/usr/bin/env" "${coreutils}/bin/env"
done
'';
meta = with lib; {
description = "The best of Erlang and of Lisp; at the same time!";
longDescription = ''
LFE, Lisp Flavoured Erlang, is a lisp syntax front-end to the Erlang
compiler. Code produced with it is compatible with "normal" Erlang
code. An LFE evaluator and shell is also included.
'';
homepage = "http://lfe.io";
downloadPage = "https://github.com/rvirding/lfe/releases";
license = licenses.asl20;
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maintainers = teams.beam.members;
platforms = platforms.unix;
};
}