foxgirl.engineering
tools for building gleam projects with nix
buildGleamApplication: set default meta attributes
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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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### changed
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- added default meta attributes to `buildGleamApplication` derivations
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- `platforms`, `badPlatforms` based on runtime + gleam compiler
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- `mainProgram` based on generated script name
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## v1.1.0 - 2025-09-29
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### added
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nix/build-gleam-application.nix
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nix/build-gleam-application.nix
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buildGleamArgs ? { },
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gleamNixOverrides ? _: _: { },
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...
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-
}:
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}@attrs:
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let
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derivationList = attrs: lib.filter (v: lib.isDerivation v) (lib.attrValues attrs);
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runHook postInstall
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'';
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meta =
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let
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runtimePlatforms =
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if finalAttrs.target == "erlang" then
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(finalAttrs.erlang.meta.platforms or lib.platforms.all)
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else
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(
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if finalAttrs.jsRuntime != null then
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(finalAttrs.jsRuntime.meta.platforms or lib.platforms.all)
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else
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lib.platforms.all
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);
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runtimeBadPlatforms =
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if finalAttrs.target == "erlang" then
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(finalAttrs.erlang.meta.badPlatforms or [ ])
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else
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(if finalAttrs.jsRuntime != null then (finalAttrs.jsRuntime.meta.badPlatforms or [ ]) else [ ]);
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in
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(
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if finalAttrs.target == "erlang" || finalAttrs.jsRuntime != null then
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{ mainProgram = finalAttrs.pname; }
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else
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{ }
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)
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// (attrs.meta or { })
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// {
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platforms = lib.intersectLists runtimePlatforms (
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lib.intersectLists (finalAttrs.gleam.meta.platforms or lib.platforms.all) (
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attrs.meta.platforms or lib.platforms.all
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)
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);
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badPlatforms =
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runtimeBadPlatforms
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++ (finalAttrs.gleam.meta.badPlatforms or [ ])
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++ (attrs.meta.badPlatforms or [ ]);
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};
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};
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}