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|
{ config, lib, pkgs, ... }:
with lib;
let
inherit (pkgs) stdenvNoCC;
cfg = config.system;
failedAssertions = map (x: x.message) (filter (x: !x.assertion) config.assertions);
throwAssertions = res: if (failedAssertions != []) then throw "\nFailed assertions:\n${concatStringsSep "\n" (map (x: "- ${x}") failedAssertions)}" else res;
showWarnings = res: foldr (w: x: builtins.trace "[1;31mwarning: ${w}[0m" x) res config.warnings;
in
{
options = {
system.build = mkOption {
internal = true;
type = types.lazyAttrsOf types.unspecified;
default = {};
description = ''
Attribute set of derivation used to setup the system.
'';
};
system.profile = mkOption {
type = types.path;
default = "/nix/var/nix/profiles/system";
description = ''
Profile to use for the system.
'';
};
system.systemBuilderCommands = mkOption {
internal = true;
type = types.lines;
default = "";
description = ''
This code will be added to the builder creating the system store path.
'';
};
system.systemBuilderArgs = mkOption {
internal = true;
type = types.attrsOf types.unspecified;
default = {};
description = ''
`lib.mkDerivation` attributes that will be passed to the top level system builder.
'';
};
assertions = mkOption {
type = types.listOf types.unspecified;
internal = true;
default = [];
example = [ { assertion = false; message = "you can't enable this for that reason"; } ];
description = ''
This option allows modules to express conditions that must
hold for the evaluation of the system configuration to
succeed, along with associated error messages for the user.
'';
};
warnings = mkOption {
internal = true;
default = [];
type = types.listOf types.str;
example = [ "The `foo' service is deprecated and will go away soon!" ];
description = ''
This option allows modules to show warnings to users during
the evaluation of the system configuration.
'';
};
};
config = {
system.build.toplevel = throwAssertions (showWarnings (stdenvNoCC.mkDerivation ({
name = "darwin-system-${cfg.darwinLabel}";
preferLocalBuild = true;
nativeBuildInputs = [ pkgs.shellcheck ];
activationScript = cfg.activationScripts.script.text;
# This is for compatibility with older `darwin-rebuild`s and
# third‐party deployment tools.
#
# TODO: Remove this in 25.11.
activationUserScript = ''
#! ${pkgs.stdenv.shell}
# nix-darwin: deprecated
# Hack to handle upgrades.
if
[[ -e /run/current-system/activate-user ]] \
&& ! grep -q '^# nix-darwin: deprecated$' \
/run/current-system/activate-user
then
exit
fi
printf >&2 '\e[1;31mwarning: `activate-user` is deprecated and will be removed in 25.11\e[0m\n'
printf >&2 'This is usually due to the use of a non‐standard activation/deployment\n'
printf >&2 'tool. If you maintain one of these tools, our advice is:\n'
printf >&2 '\n'
printf >&2 ' You can identify a post‐user‐activation configuration by the absence\n'
printf >&2 ' of `activate-user` or the second line of the script being\n'
printf >&2 ' `# nix-darwin: deprecated`.\n'
printf >&2 '\n'
printf >&2 ' We recommend running `$systemConfig/sw/bin/darwin-rebuild activate`\n'
printf >&2 ' to activate built configurations; for a pre‐user‐activation\n'
printf >&2 ' configuration this should be run as a normal user, and for a\n'
printf >&2 ' post‐user‐activation configuration it should be run as `root`.\n'
printf >&2 '\n'
printf >&2 ' If you can’t or don’t want to use `darwin-rebuild activate`, then you\n'
printf >&2 ' should skip running `activate-user` for post‐user‐activation\n'
printf >&2 ' configurations and continue running `activate` as `root`.\n'
printf >&2 '\n'
printf >&2 ' In 25.11, `darwin-rebuild` will stop running `activate-user` and this\n'
printf >&2 ' transition script will be deleted; you should be able to safely\n'
printf >&2 ' remove all related logic by then.\n'
printf >&2 '\n'
printf >&2 'Otherwise, you should report this to the deployment tool developers. If\n'
printf >&2 'you don’t use a third‐party deployment tool, please open a bug report\n'
printf >&2 'at <https://github.com/nix-darwin/nix-darwin/issues/new> and include as much\n'
printf >&2 'detail about your setup as possible.\n'
'';
inherit (cfg) darwinLabel;
darwinVersionJson = (pkgs.formats.json {}).generate "darwin-version.json" (
filterAttrs (k: v: v != null) {
inherit (config.system) darwinRevision nixpkgsRevision configurationRevision darwinLabel;
}
);
buildCommand = ''
mkdir $out
systemConfig=$out
mkdir -p $out/darwin
cp -f ${../../CHANGELOG} $out/darwin-changes
ln -s ${cfg.build.patches}/patches $out/patches
ln -s ${cfg.build.etc}/etc $out/etc
ln -s ${cfg.path} $out/sw
mkdir -p $out/Library
ln -s ${cfg.build.applications}/Applications $out/Applications
ln -s ${cfg.build.fonts}/Library/Fonts $out/Library/Fonts
ln -s ${cfg.build.launchd}/Library/LaunchAgents $out/Library/LaunchAgents
ln -s ${cfg.build.launchd}/Library/LaunchDaemons $out/Library/LaunchDaemons
mkdir -p $out/user/Library
ln -s ${cfg.build.launchd}/user/Library/LaunchAgents $out/user/Library/LaunchAgents
echo "$activationScript" > $out/activate
substituteInPlace $out/activate --subst-var out
chmod u+x $out/activate
unset activationScript
echo "$activationUserScript" > $out/activate-user
chmod u+x $out/activate-user
unset activationUserScript
# We exclude the warnings for `…` in single‐quote strings and
# non‐ASCII quotation marks as they are noisy and lead to a lot
# of false positives in our user‐facing output:
shellcheck --exclude=SC2016,SC1112 $out/activate $out/activate-user
echo -n "$systemConfig" > $out/systemConfig
echo -n "$darwinLabel" > $out/darwin-version
ln -s $darwinVersionJson $out/darwin-version.json
echo -n "$system" > $out/system
${cfg.systemBuilderCommands}
'';
} // cfg.systemBuilderArgs)));
};
}
|
