mirror of
https://github.com/NixOS/mobile-nixos.git
synced 2024-09-11 03:55:23 +03:00
e3e6a92e8c
This will be used mainly for the installer, but it's not like it's bloat, and may end-up useful anyway.
80 lines
2.0 KiB
Nix
80 lines
2.0 KiB
Nix
{ fetchurl
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, mruby
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, mrbgems
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, writeShellScriptBin
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, lib
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, callPackage
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# Configuration
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, withSimulator ? false # Builds lvgui with simulator.
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}:
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let
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mruby' = mruby.override({
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# Strip store path hashes so `nuke-refs` don't destroy the irep.
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stripStorePathHashes = true;
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# This script loader handles all "applets" and scripts that will run during
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# stage-1.
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gems = with mrbgems; [
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{ core = "mruby-exit"; }
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{ core = "mruby-io"; }
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{ core = "mruby-sleep"; }
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{ core = "mruby-time"; }
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mruby-dir
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mruby-dir-glob
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mruby-env
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mruby-file-stat
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mruby-json
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mruby-logger
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mruby-open3
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mruby-process-clock_gettime
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mruby-regexp-pcre
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mruby-secure-random
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mruby-singleton
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mruby-time-strftime
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mruby-zmq
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# Glue that serves to link the proper dependencies into the project.
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mruby-lvgui-native
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# Though this needs to be the real last gem, as it has
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# special significance during the build.
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mruby-require
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];
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});
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mruby-lvgui-native = callPackage ./mruby-lvgui-native {
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inherit withSimulator;
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};
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in
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# We need a reference to this package for the passthru `wrap` helper.
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let loader = mruby'.builder {
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pname = "mobile-nixos-script-loader";
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version = "0.2.0";
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src = ./.;
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# `main.rb` is where the magic happens.
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buildPhase = ''
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makeBin loader main.rb
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'';
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passthru = {
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# Wraps an `mrb` applet into a runner script that uses this loader.
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# Note that this is not used in stage-1.
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# NOTE: `env` escapes values using `builtins.toJSON`. This escapes some pitfalls, while keeping variables expandable.
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wrap = {name, applet, env ? {}}: (writeShellScriptBin name ''
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${let
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varList = lib.attrsets.mapAttrsToList (name: value: "${name}=${builtins.toJSON value}") env;
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scriptEnv = lib.strings.concatStringsSep "\n" varList;
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in scriptEnv}
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exec ${loader}/bin/loader ${applet} "$@"
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'').overrideAttrs(old: {
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passthru = {
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inherit applet;
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};
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});
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};
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};
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in loader
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