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120 lines
3.4 KiB
Nix
120 lines
3.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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inherit (pkgs) stdenvNoCC;
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cfg = config.system;
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failedAssertions = map (x: x.message) (filter (x: !x.assertion) config.assertions);
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throwAssertions = res: if (failedAssertions != []) then throw "\nFailed assertions:\n${concatStringsSep "\n" (map (x: "- ${x}") failedAssertions)}" else res;
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showWarnings = res: fold (w: x: builtins.trace "[1;31mwarning: ${w}[0m" x) res config.warnings;
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in
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{
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options = {
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system.build = mkOption {
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internal = true;
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type = types.attrsOf types.unspecified;
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default = {};
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description = ''
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Attribute set of derivation used to setup the system.
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'';
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};
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system.path = mkOption {
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internal = true;
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type = types.package;
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description = ''
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The packages you want in the system environment.
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'';
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};
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system.profile = mkOption {
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type = types.path;
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default = "/nix/var/nix/profiles/system";
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description = ''
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Profile to use for the system.
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'';
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};
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assertions = mkOption {
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type = types.listOf types.unspecified;
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internal = true;
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default = [];
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example = [ { assertion = false; message = "you can't enable this for that reason"; } ];
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description = ''
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This option allows modules to express conditions that must
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hold for the evaluation of the system configuration to
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succeed, along with associated error messages for the user.
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'';
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};
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warnings = mkOption {
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internal = true;
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default = [];
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type = types.listOf types.str;
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example = [ "The `foo' service is deprecated and will go away soon!" ];
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description = ''
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This option allows modules to show warnings to users during
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the evaluation of the system configuration.
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'';
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};
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};
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config = {
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system.build.toplevel = throwAssertions (showWarnings (stdenvNoCC.mkDerivation {
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name = "darwin-system-${cfg.darwinLabel}";
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preferLocalBuild = true;
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activationScript = cfg.activationScripts.script.text;
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activationUserScript = cfg.activationScripts.userScript.text;
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inherit (cfg) darwinLabel;
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buildCommand = ''
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mkdir $out
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systemConfig=$out
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mkdir -p $out/darwin
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cp -f ${../../CHANGELOG} $out/darwin-changes
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ln -s ${cfg.build.patches}/patches $out/patches
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ln -s ${cfg.build.etc}/etc $out/etc
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ln -s ${cfg.path} $out/sw
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mkdir -p $out/Library
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ln -s ${cfg.build.applications}/Applications $out/Applications
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ln -s ${cfg.build.fonts}/Library/Fonts $out/Library/Fonts
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ln -s ${cfg.build.launchd}/Library/LaunchAgents $out/Library/LaunchAgents
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ln -s ${cfg.build.launchd}/Library/LaunchDaemons $out/Library/LaunchDaemons
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mkdir -p $out/user/Library
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ln -s ${cfg.build.launchd}/user/Library/LaunchAgents $out/user/Library/LaunchAgents
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echo "$activationScript" > $out/activate
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substituteInPlace $out/activate --subst-var out
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chmod u+x $out/activate
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unset activationScript
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echo "$activationUserScript" > $out/activate-user
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substituteInPlace $out/activate-user --subst-var out
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chmod u+x $out/activate-user
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unset activationUserScript
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echo -n "$systemConfig" > $out/systemConfig
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echo -n "$darwinLabel" > $out/darwin-version
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echo -n "$system" > $out/system
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'';
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}));
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};
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}
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