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