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125 lines
3.6 KiB
Nix
125 lines
3.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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inherit (pkgs) stdenv;
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cfg = config.system;
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script = import ../lib/write-text.nix {
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inherit lib;
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mkTextDerivation = name: text: pkgs.writeScript "activate-${name}" text;
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};
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in
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{
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options = {
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system.activationScripts = mkOption {
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internal = true;
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type = types.attrsOf (types.submodule script);
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default = {};
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description = ''
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A set of shell script fragments that are executed when a NixOS
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system configuration is activated. Examples are updating
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/etc, creating accounts, and so on. Since these are executed
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every time you boot the system or run
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<command>nixos-rebuild</command>, it's important that they are
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idempotent and fast.
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'';
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};
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};
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config = {
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system.activationScripts.script.text = ''
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#! ${stdenv.shell}
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set -e
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set -o pipefail
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export PATH="${pkgs.gnugrep}/bin:${pkgs.coreutils}/bin:@out@/sw/bin:/usr/bin:/bin:/usr/sbin:/sbin"
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systemConfig=@out@
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_status=0
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trap "_status=1" ERR
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# Ensure a consistent umask.
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umask 0022
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${cfg.activationScripts.preActivation.text}
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${cfg.activationScripts.extraActivation.text}
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${cfg.activationScripts.groups.text}
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${cfg.activationScripts.users.text}
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${cfg.activationScripts.applications.text}
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${cfg.activationScripts.patches.text}
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${cfg.activationScripts.etc.text}
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${cfg.activationScripts.defaults.text}
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${cfg.activationScripts.launchd.text}
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${cfg.activationScripts.nix-daemon.text}
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${cfg.activationScripts.time.text}
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${cfg.activationScripts.networking.text}
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${cfg.activationScripts.keyboard.text}
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${cfg.activationScripts.fonts.text}
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${cfg.activationScripts.postActivation.text}
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# Ensure /run exists.
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if [ ! -e /run ]; then
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ln -sfn private/var/run /run
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fi
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# Make this configuration the current configuration.
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# The readlink is there to ensure that when $systemConfig = /system
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# (which is a symlink to the store), /run/current-system is still
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# used as a garbage collection root.
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ln -sfn "$(readlink -f "$systemConfig")" /run/current-system
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# Prevent the current configuration from being garbage-collected.
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ln -sfn /run/current-system /nix/var/nix/gcroots/current-system
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exit $_status
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'';
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system.activationScripts.userScript.text = ''
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#! ${stdenv.shell}
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set -e
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set -o pipefail
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export PATH="${pkgs.gnugrep}/bin:${pkgs.coreutils}/bin:@out@/sw/bin:/usr/bin:/bin"
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systemConfig=@out@
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_status=0
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trap "_status=1" ERR
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# Ensure a consistent umask.
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umask 0022
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${cfg.activationScripts.preUserActivation.text}
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${cfg.activationScripts.checks.text}
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${cfg.activationScripts.extraUserActivation.text}
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${cfg.activationScripts.userDefaults.text}
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${cfg.activationScripts.userLaunchd.text}
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${cfg.activationScripts.homebrew.text}
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${cfg.activationScripts.postUserActivation.text}
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exit $_status
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'';
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# Extra activation scripts, that can be customized by users
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# don't use this unless you know what you are doing.
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system.activationScripts.extraActivation.text = mkDefault "";
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system.activationScripts.preActivation.text = mkDefault "";
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system.activationScripts.postActivation.text = mkDefault "";
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system.activationScripts.extraUserActivation.text = mkDefault "";
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system.activationScripts.preUserActivation.text = mkDefault "";
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system.activationScripts.postUserActivation.text = mkDefault "";
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};
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}
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