foxgirl.engineering
tools for building gleam projects with nix
buildGleam, buildGleamApplication: make overridable
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CHANGELOG.md
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CHANGELOG.md
···
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the format is based on [keep a changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [semantic versioning](https://semver.org/spec/v2.0.0.html).
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## unreleased
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### added
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- add `override` function to derivations produced by `buildGleam` and `buildGleamApplication`
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## v1.0.0 - 2025-09-25
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initial release
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-77
nix/build-gleam-application.nix
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-77
nix/build-gleam-application.nix
···
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gleam-tool,
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}@inputs:
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{
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pname,
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version,
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src,
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buildInputs ? [ ],
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nativeBuildInputs ? [ ],
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gleamNix,
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erlang ? inputs.erlang,
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gleam ? inputs.gleam,
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buildGleamArgs ? { },
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gleamNixOverrides ? _: _: { },
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...
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}@args:
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let
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derivationList = attrs: lib.filter (v: lib.isDerivation v) (lib.attrValues attrs);
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compiledPackages =
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let
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scope = gleamNix {
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inherit
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lib
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newScope
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beamPackages
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buildGleam
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fetchgit
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;
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};
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withApplication = scope.overrideScope (
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_: prev: {
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${pname} = buildGleam (
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buildGleamArgs
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// {
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name = pname;
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inherit version src;
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beamDeps = derivationList prev;
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inherit erlang gleam;
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}
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);
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}
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);
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in
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derivationList (withApplication.overrideScope gleamNixOverrides);
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filteredArgs = lib.filterAttrs (
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key: _:
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!(builtins.elem key [
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"gleamNix"
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"gleamNixOverrides"
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])
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) args;
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in
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stdenv.mkDerivation (
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filteredArgs
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// {
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inherit pname version src;
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nativeBuildInputs = nativeBuildInputs ++ [
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-
gleam-tool
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makeWrapper
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];
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buildInputs = buildInputs ++ [
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erlang
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];
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buildPhase = ''
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runHook preBuild
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gleam-tool entrypoint ${pname}
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out/{bin,lib/entrypoint/ebin}
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${lib.concatMapStringsSep "\n" (
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package: "ln -s ${package}/lib/erlang/lib/* $out/lib/"
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) compiledPackages}
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mv gleam_entrypoint.beam $out/lib/entrypoint/ebin
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makeWrapper ${erlang}/bin/erl $out/bin/${pname} --add-flags \
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"-pa $out/lib/*/ebin -eval \"gleam_entrypoint:run()\" -noshell -extra"
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runHook postInstall
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'';
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}
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)
···
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gleam-tool,
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}@inputs:
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lib.makeOverridable (
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{
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pname,
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version,
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src,
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buildInputs ? [ ],
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nativeBuildInputs ? [ ],
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gleamNix,
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erlang ? inputs.erlang,
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gleam ? inputs.gleam,
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buildGleamArgs ? { },
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gleamNixOverrides ? _: _: { },
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...
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}@args:
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let
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derivationList = attrs: lib.filter (v: lib.isDerivation v) (lib.attrValues attrs);
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compiledPackages =
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let
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scope = gleamNix {
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inherit
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lib
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newScope
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beamPackages
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buildGleam
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fetchgit
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;
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};
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withApplication = scope.overrideScope (
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_: prev: {
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${pname} = buildGleam (
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buildGleamArgs
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// {
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name = pname;
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inherit version src;
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beamDeps = derivationList prev;
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inherit erlang gleam;
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}
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);
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}
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);
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in
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derivationList (withApplication.overrideScope gleamNixOverrides);
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filteredArgs = lib.filterAttrs (
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key: _:
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!(builtins.elem key [
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"gleamNix"
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"gleamNixOverrides"
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])
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) args;
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in
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stdenv.mkDerivation (
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filteredArgs
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// {
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inherit pname version src;
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nativeBuildInputs = nativeBuildInputs ++ [
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gleam-tool
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makeWrapper
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];
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buildInputs = buildInputs ++ [
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erlang
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];
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buildPhase = ''
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runHook preBuild
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gleam-tool entrypoint ${pname}
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out/{bin,lib/entrypoint/ebin}
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${lib.concatMapStringsSep "\n" (
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package: "ln -s ${package}/lib/erlang/lib/* $out/lib/"
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) compiledPackages}
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mv gleam_entrypoint.beam $out/lib/entrypoint/ebin
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makeWrapper ${erlang}/bin/erl $out/bin/${pname} --add-flags \
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"-pa $out/lib/*/ebin -eval \"gleam_entrypoint:run()\" -noshell -extra"
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runHook postInstall
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'';
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}
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)
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)
+67
-65
nix/build-gleam.nix
+67
-65
nix/build-gleam.nix
···
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gleam-tool,
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}@inputs:
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{
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name,
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version,
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src,
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beamDeps ? [ ],
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nativeBuildInputs ? [ ],
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preFixup ? "",
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erlang ? inputs.erlang,
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gleam ? inputs.gleam,
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gleam-tool ? inputs.gleam-tool,
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...
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}@args:
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let
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filteredArgs = lib.filterAttrs (
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key: _:
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!(builtins.elem key [
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"erlang"
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"gleam"
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"gleam-tool"
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"name"
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"nativeBuildInputs"
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"preFixup"
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"src"
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"version"
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])
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) args;
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in
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stdenv.mkDerivation (
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{
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pname = name;
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inherit version src;
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nativeBuildInputs = nativeBuildInputs ++ [
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erlang
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gleam
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gleam-tool
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];
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configurePhase = ''
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runHook preConfigure
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mkdir deps
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${lib.concatMapStringsSep "\n" (package: "ln -s ${package}/lib/erlang/lib/* deps/") beamDeps}
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runHook postConfigure
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'';
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buildPhase = ''
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runHook preBuild
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gleam compile-package --target erlang --package . --lib deps --out build
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gleam-tool appspec build/ebin ${lib.concatMapStringsSep " " (dep: dep.otpApplication) beamDeps}
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out/lib/erlang/lib
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cp -r build $out/lib/erlang/lib/${name}-${version}
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runHook postInstall
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'';
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preFixup = ''
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${preFixup}
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privPath=$out/lib/erlang/lib/${name}-${version}/priv
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if [ -h $privPath ]; then
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realPath=$(realpath $privPath)
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rm $privPath
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cp -r $realPath $privPath
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fi
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'';
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}
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// filteredArgs
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)
···
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gleam-tool,
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}@inputs:
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lib.makeOverridable (
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{
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name,
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version,
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src,
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beamDeps ? [ ],
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nativeBuildInputs ? [ ],
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preFixup ? "",
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erlang ? inputs.erlang,
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gleam ? inputs.gleam,
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gleam-tool ? inputs.gleam-tool,
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...
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}@args:
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let
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filteredArgs = lib.filterAttrs (
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key: _:
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!(builtins.elem key [
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"erlang"
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"gleam"
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"gleam-tool"
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"name"
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"nativeBuildInputs"
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"preFixup"
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"src"
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"version"
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])
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) args;
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in
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stdenv.mkDerivation (
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{
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pname = name;
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inherit version src;
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nativeBuildInputs = nativeBuildInputs ++ [
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erlang
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gleam
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gleam-tool
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];
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configurePhase = ''
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runHook preConfigure
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mkdir deps
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${lib.concatMapStringsSep "\n" (package: "ln -s ${package}/lib/erlang/lib/* deps/") beamDeps}
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runHook postConfigure
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'';
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buildPhase = ''
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runHook preBuild
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gleam compile-package --target erlang --package . --lib deps --out build
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gleam-tool appspec build/ebin ${lib.concatMapStringsSep " " (dep: dep.otpApplication) beamDeps}
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out/lib/erlang/lib
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cp -r build $out/lib/erlang/lib/${name}-${version}
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runHook postInstall
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'';
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preFixup = ''
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${preFixup}
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privPath=$out/lib/erlang/lib/${name}-${version}/priv
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if [ -h $privPath ]; then
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realPath=$(realpath $privPath)
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rm $privPath
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cp -r $realPath $privPath
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fi
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'';
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}
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// filteredArgs
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)
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)