90 lines
2.2 KiB
Nix
90 lines
2.2 KiB
Nix
# composable dev environment components
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# imported by generated per-project flakes via use_dev
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{ pkgs, lib }:
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let
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# libraries needed by python native extensions
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pythonLibraries = [
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pkgs.stdenv.cc.cc.lib
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pkgs.zlib
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pkgs.openssl
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pkgs.curl
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pkgs.libffi
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];
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mkNode = nodejs: {
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packages = [
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nodejs
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pkgs.corepack
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];
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env = {
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COREPACK_ENABLE_STRICT = "0";
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};
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};
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mkUv = python: {
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packages = [
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python
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pkgs.uv
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pkgs.pkg-config
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];
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libraries = pythonLibraries;
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env = {
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UV_PYTHON_DOWNLOADS = "never";
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UV_PYTHON_PREFERENCE = "only-system";
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};
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shellHook = ''
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unset PYTHONPATH
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export UV_PROJECT_ENVIRONMENT="''${XDG_DATA_HOME:-$HOME/.local/share}/dev-venvs/$(basename "$PWD")-$(echo "$PWD" | sha256sum | cut -c1-8)"
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'';
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};
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components = {
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uv_10 = mkUv pkgs.python310;
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uv_11 = mkUv pkgs.python311;
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uv_12 = mkUv pkgs.python312;
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uv_13 = mkUv pkgs.python313;
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uv_14 = mkUv pkgs.python314;
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node_20 = mkNode pkgs.nodejs_20;
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node_22 = mkNode pkgs.nodejs_22;
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node_24 = mkNode pkgs.nodejs_24;
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rust = {
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packages = [
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pkgs.rustc
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pkgs.cargo
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pkgs.rust-analyzer
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pkgs.openssl
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pkgs.pkg-config
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];
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};
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};
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# build a single mkShell from one or more component names
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mkComponentShell =
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names: extraPackages:
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let
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selected = map (n: components.${n}) names;
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allPackages = lib.concatMap (c: c.packages or [ ]) selected ++ extraPackages;
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allLibraries = lib.concatMap (c: c.libraries or [ ]) selected;
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allHooks = lib.concatMapStrings (c: c.shellHook or "") selected;
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allEnvs = lib.foldl' (acc: c: acc // (c.env or { })) { } selected;
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libPath = lib.makeLibraryPath allLibraries;
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in
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pkgs.mkShell (
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{
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packages = allPackages;
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shellHook =
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(lib.optionalString (allLibraries != [ ]) ''
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export LD_LIBRARY_PATH="${libPath}''${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
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'')
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+ allHooks;
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}
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// lib.optionalAttrs (allEnvs != { }) { env = allEnvs; }
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);
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in
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{
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inherit components mkComponentShell;
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}
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