154 lines
3.9 KiB
Nix
154 lines
3.9 KiB
Nix
{
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version,
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hash,
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minimumOTPVersion,
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maximumOTPVersion ? null,
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}:
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{
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bash,
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config,
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coreutils,
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curl,
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debugInfo ? false,
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erlang,
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fetchFromGitHub,
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lib,
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makeWrapper,
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nix-update-script,
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stdenv,
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}:
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let
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inherit (lib)
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assertMsg
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concatStringsSep
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getVersion
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optionals
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optionalString
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toInt
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versions
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versionAtLeast
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versionOlder
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;
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compatibilityMsg = ''
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Unsupported elixir and erlang OTP combination.
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elixir ${version}
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erlang OTP ${getVersion erlang} is not >= ${minimumOTPVersion} ${
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optionalString (maximumOTPVersion != null) "and <= ${maximumOTPVersion}"
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}
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See https://hexdocs.pm/elixir/${version}/compatibility-and-deprecations.html
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'';
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maxShiftMajor = toString ((toInt (versions.major maximumOTPVersion)) + 1);
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maxAssert =
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if (maximumOTPVersion == null) then
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true
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else
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versionOlder (versions.major (getVersion erlang)) maxShiftMajor;
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minAssert = versionAtLeast (getVersion erlang) minimumOTPVersion;
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bothAssert = minAssert && maxAssert;
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elixirShebang =
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if stdenv.hostPlatform.isDarwin then
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# Darwin disallows shebang scripts from using other scripts as their
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# command. Use env as an intermediary instead of calling elixir directly
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# (another shebang script).
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# See https://github.com/NixOS/nixpkgs/pull/9671
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"${coreutils}/bin/env $out/bin/elixir"
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else
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"$out/bin/elixir";
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erlc_opts = [ "deterministic" ] ++ optionals debugInfo [ "debug_info" ];
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in
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if !config.allowAliases && !bothAssert then
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# Don't throw without aliases to not break CI.
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null
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else
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assert assertMsg bothAssert compatibilityMsg;
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stdenv.mkDerivation {
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pname = "elixir";
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src = fetchFromGitHub {
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owner = "elixir-lang";
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repo = "elixir";
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rev = "v${version}";
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inherit hash;
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};
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inherit version debugInfo;
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nativeBuildInputs = [ makeWrapper ];
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buildInputs = [ erlang ];
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env = {
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LANG = "C.UTF-8";
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LC_TYPE = "C.UTF-8";
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DESTDIR = placeholder "out";
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PREFIX = "/";
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ERL_COMPILER_OPTIONS = "[${concatStringsSep "," erlc_opts}]";
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};
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preBuild = ''
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patchShebangs lib/elixir/scripts/generate_app.escript || true
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'';
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# copy stdlib source files for LSP access
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postInstall = ''
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for d in lib/*; do
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cp -R "$d/lib" "$out/lib/elixir/$d"
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done
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'';
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postFixup = ''
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# Elixir binaries are shell scripts which run erl. Add some stuff
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# to PATH so the scripts can run without problems.
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for f in $out/bin/*; do
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b=$(basename $f)
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if [ "$b" = mix ]; then continue; fi
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wrapProgram $f \
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--prefix PATH ":" "${
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lib.makeBinPath [
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erlang
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coreutils
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curl
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bash
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]
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}"
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done
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substituteInPlace $out/bin/mix \
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--replace "/usr/bin/env elixir" "${elixirShebang}"
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'';
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passthru.updateScript = nix-update-script {
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extraArgs = [
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"--version-regex"
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"v(${lib.versions.major version}\\.${lib.versions.minor version}\\.[0-9\\-rc.]+)"
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"--override-filename"
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"pkgs/development/interpreters/elixir/${lib.versions.major version}.${lib.versions.minor version}.nix"
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];
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};
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meta = {
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homepage = "https://elixir-lang.org/";
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description = "Functional, meta-programming aware language built on top of the Erlang VM";
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changelog = "https://github.com/elixir-lang/elixir/releases/tag/v${version}";
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longDescription = ''
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Elixir is a functional, meta-programming aware language built on
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top of the Erlang VM. It is a dynamic language with flexible
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syntax and macro support that leverages Erlang's abilities to
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build concurrent, distributed and fault-tolerant applications
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with hot code upgrades.
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'';
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license = lib.licenses.asl20;
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platforms = lib.platforms.unix;
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teams = [ lib.teams.beam ];
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};
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}
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