mirror of
https://github.com/nix-community/home-manager
synced 2024-11-05 02:39:45 +01:00
f69816489d
Specifically, if the global per-user profiles path do not exist and we cannot create it during the activation, then place our profile in the Home Manager data directory. We prefer to use the global location, though, since it makes it visible to `nix-collect-garbage`. This is intended to improve compatibility with Nix version 2.14 and later, which no longer creates the per-user directories. Also, use the Home Manager data directory to manage the gcroot for the current generation. It does not have to sit in the global per-user gcroots directory since it should never be eligible for GC.
745 lines
23 KiB
Nix
745 lines
23 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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inherit (config.home) stateVersion;
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cfg = config.home;
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languageSubModule = types.submodule {
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options = {
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base = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use unless overridden by a more specific option.
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'';
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};
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ctype = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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Character classification category.
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'';
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};
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numeric = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for numerical values.
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'';
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};
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time = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for formatting times.
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'';
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};
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collate = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for collation (alphabetical ordering).
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'';
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};
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monetary = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for formatting currencies and money amounts.
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'';
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};
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messages = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for messages, application UI languages, etc.
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'';
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};
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paper = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for paper sizes.
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'';
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};
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name = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for personal names.
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'';
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};
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address = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for addresses.
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'';
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};
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telephone = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for telephone numbers.
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'';
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};
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measurement = mkOption {
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default = null;
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type = types.nullOr types.str;
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description = ''
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The language to use for measurement values.
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'';
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};
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};
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};
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keyboardSubModule = types.submodule {
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options = {
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layout = mkOption {
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type = with types; nullOr str;
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default =
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if versionAtLeast config.home.stateVersion "19.09"
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then null
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else "us";
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defaultText = literalExpression "null";
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description = ''
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Keyboard layout. If <literal>null</literal>, then the system
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configuration will be used.
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</para><para>
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This defaults to <literal>null</literal> for state
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version ≥ 19.09 and <literal>"us"</literal> otherwise.
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'';
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};
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model = mkOption {
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type = with types; nullOr str;
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default = null;
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example = "presario";
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description = ''
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Keyboard model.
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'';
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};
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options = mkOption {
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type = types.listOf types.str;
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default = [];
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example = ["grp:caps_toggle" "grp_led:scroll"];
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description = ''
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X keyboard options; layout switching goes here.
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'';
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};
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variant = mkOption {
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type = with types; nullOr str;
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default =
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if versionAtLeast config.home.stateVersion "19.09"
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then null
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else "";
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defaultText = literalExpression "null";
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example = "colemak";
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description = ''
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X keyboard variant. If <literal>null</literal>, then the
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system configuration will be used.
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</para><para>
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This defaults to <literal>null</literal> for state
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version ≥ 19.09 and <literal>""</literal> otherwise.
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'';
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};
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};
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};
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in
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{
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meta.maintainers = [ maintainers.rycee ];
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imports = [
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(mkRemovedOptionModule [ "home" "sessionVariableSetter" ] ''
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Session variables are now always set through the shell. This is
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done automatically if the shell configuration is managed by Home
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Manager. If not, then you must source the
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~/.nix-profile/etc/profile.d/hm-session-vars.sh
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file yourself.
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'')
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];
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options = {
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home.username = mkOption {
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type = types.str;
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defaultText = literalExpression ''
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"$USER" for state version < 20.09,
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undefined for state version ≥ 20.09
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'';
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example = "jane.doe";
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description = "The user's username.";
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};
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home.homeDirectory = mkOption {
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type = types.path;
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defaultText = literalExpression ''
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"$HOME" for state version < 20.09,
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undefined for state version ≥ 20.09
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'';
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apply = toString;
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example = "/home/jane.doe";
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description = "The user's home directory. Must be an absolute path.";
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};
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home.profileDirectory = mkOption {
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type = types.path;
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defaultText = literalExpression ''
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"''${home.homeDirectory}/.nix-profile" or
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"/etc/profiles/per-user/''${home.username}"
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'';
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readOnly = true;
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description = ''
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The profile directory where Home Manager generations are installed.
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'';
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};
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home.language = mkOption {
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type = languageSubModule;
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default = {};
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description = "Language configuration.";
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};
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home.keyboard = mkOption {
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type = types.nullOr keyboardSubModule;
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default = if versionAtLeast stateVersion "21.11" then null else { };
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defaultText = literalExpression ''
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"{ }" for state version < 21.11,
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"null" for state version ≥ 21.11
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'';
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description = ''
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Keyboard configuration. Set to <literal>null</literal> to
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disable Home Manager keyboard management.
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'';
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};
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home.shellAliases = mkOption {
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type = with types; attrsOf str;
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default = { };
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example = literalExpression ''
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{
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g = "git";
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"..." = "cd ../..";
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}
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'';
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description = ''
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An attribute set that maps aliases (the top level attribute names
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in this option) to command strings or directly to build outputs.
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</para><para>
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This option should only be used to manage simple aliases that are
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compatible across all shells. If you need to use a shell specific
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feature then make sure to use a shell specific option, for example
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<xref linkend="opt-programs.bash.shellAliases"/> for Bash.
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'';
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};
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home.sessionVariables = mkOption {
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default = {};
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type = with types; lazyAttrsOf (oneOf [ str path int float ]);
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example = { EDITOR = "emacs"; GS_OPTIONS = "-sPAPERSIZE=a4"; };
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description = ''
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Environment variables to always set at login.
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</para><para>
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The values may refer to other environment variables using
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POSIX.2 style variable references. For example, a variable
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<varname>parameter</varname> may be referenced as
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<code>$parameter</code> or <code>''${parameter}</code>. A
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default value <literal>foo</literal> may be given as per
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<code>''${parameter:-foo}</code> and, similarly, an alternate
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value <literal>bar</literal> can be given as per
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<code>''${parameter:+bar}</code>.
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</para><para>
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Note, these variables may be set in any order so no session
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variable may have a runtime dependency on another session
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variable. In particular code like
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<programlisting language="nix">
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home.sessionVariables = {
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FOO = "Hello";
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BAR = "$FOO World!";
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};
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</programlisting>
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may not work as expected. If you need to reference another
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session variable, then do so inside Nix instead. The above
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example then becomes
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<programlisting language="nix">
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home.sessionVariables = {
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FOO = "Hello";
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BAR = "''${config.home.sessionVariables.FOO} World!";
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};
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</programlisting>
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'';
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};
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home.sessionPath = mkOption {
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type = with types; listOf str;
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default = [ ];
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example = [
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"$HOME/.local/bin"
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"\${xdg.configHome}/emacs/bin"
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".git/safe/../../bin"
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];
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description = ''
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Extra directories to add to <envar>PATH</envar>.
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</para><para>
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These directories are added to the <envar>PATH</envar> variable in a
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double-quoted context, so expressions like <code>$HOME</code> are
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expanded by the shell. However, since expressions like <code>~</code> or
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<code>*</code> are escaped, they will end up in the <envar>PATH</envar>
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verbatim.
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'';
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};
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home.sessionVariablesExtra = mkOption {
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type = types.lines;
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default = "";
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internal = true;
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description = ''
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Extra configuration to add to the
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<filename>hm-session-vars.sh</filename> file.
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'';
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};
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home.packages = mkOption {
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type = types.listOf types.package;
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default = [];
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description = "The set of packages to appear in the user environment.";
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};
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home.extraOutputsToInstall = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "doc" "info" "devdoc" ];
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description = ''
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List of additional package outputs of the packages
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<varname>home.packages</varname> that should be installed into
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the user environment.
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'';
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};
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home.path = mkOption {
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internal = true;
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description = "The derivation installing the user packages.";
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};
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home.emptyActivationPath = mkOption {
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internal = true;
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type = types.bool;
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default = versionAtLeast stateVersion "22.11";
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defaultText = literalExpression ''
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false for state version < 22.11,
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true for state version ≥ 22.11
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'';
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description = ''
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Whether the activation script should start with an empty
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<envar>PATH</envar> variable. When <literal>false</literal> then the
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user's <envar>PATH</envar> will be accessible in the script. It is
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recommended to keep this at <literal>true</literal> to avoid
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uncontrolled use of tools found in PATH.
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'';
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};
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home.activation = mkOption {
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type = hm.types.dagOf types.str;
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default = {};
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example = literalExpression ''
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{
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myActivationAction = lib.hm.dag.entryAfter ["writeBoundary"] '''
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$DRY_RUN_CMD ln -s $VERBOSE_ARG \
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''${builtins.toPath ./link-me-directly} $HOME
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''';
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}
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'';
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description = ''
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The activation scripts blocks to run when activating a Home
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Manager generation. Any entry here should be idempotent,
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meaning running twice or more times produces the same result
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as running it once.
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</para><para>
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If the script block produces any observable side effect, such
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as writing or deleting files, then it
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<emphasis>must</emphasis> be placed after the special
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<literal>writeBoundary</literal> script block. Prior to the
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write boundary one can place script blocks that verifies, but
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does not modify, the state of the system and exits if an
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unexpected state is found. For example, the
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<literal>checkLinkTargets</literal> script block checks for
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collisions between non-managed files and files defined in
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<xref linkend="opt-home.file"/>.
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</para><para>
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A script block should respect the <varname>DRY_RUN</varname>
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variable, if it is set then the actions taken by the script
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should be logged to standard out and not actually performed.
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The variable <varname>DRY_RUN_CMD</varname> is set to
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<command>echo</command> if dry run is enabled.
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</para><para>
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A script block should also respect the
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<varname>VERBOSE</varname> variable, and if set print
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information on standard out that may be useful for debugging
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any issue that may arise. The variable
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<varname>VERBOSE_ARG</varname> is set to
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<option>--verbose</option> if verbose output is enabled.
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'';
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};
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home.activationPackage = mkOption {
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internal = true;
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type = types.package;
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description = "The package containing the complete activation script.";
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};
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home.extraActivationPath = mkOption {
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internal = true;
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type = types.listOf types.package;
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default = [ ];
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description = ''
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Extra packages to add to <envar>PATH</envar> within the activation
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script.
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'';
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};
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home.extraBuilderCommands = mkOption {
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type = types.lines;
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default = "";
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internal = true;
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description = ''
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Extra commands to run in the Home Manager generation builder.
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'';
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};
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home.extraProfileCommands = mkOption {
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type = types.lines;
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default = "";
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internal = true;
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description = ''
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Extra commands to run in the Home Manager profile builder.
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'';
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};
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home.enableNixpkgsReleaseCheck = mkOption {
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type = types.bool;
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default = false; # Temporarily disabled until release stabilizes.
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description = ''
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Determines whether to check for release version mismatch between Home
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Manager and Nixpkgs. Using mismatched versions is likely to cause errors
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and unexpected behavior. It is therefore highly recommended to use a
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release of Home Manager than corresponds with your chosen release of
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Nixpkgs.
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</para><para>
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When this option is enabled and a mismatch is detected then a warning
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will be printed when the user configuration is being built.
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'';
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};
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};
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config = {
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assertions = [
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{
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assertion = config.home.username != "";
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message = "Username could not be determined";
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}
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{
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assertion = config.home.homeDirectory != "";
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message = "Home directory could not be determined";
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}
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];
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warnings =
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let
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hmRelease = fileContents ../.release;
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nixpkgsRelease = pkgs.lib.trivial.release;
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releaseMismatch =
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config.home.enableNixpkgsReleaseCheck
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&& hmRelease != nixpkgsRelease;
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in
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optional releaseMismatch ''
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You are using
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Home Manager version ${hmRelease} and
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Nixpkgs version ${nixpkgsRelease}.
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Using mismatched versions is likely to cause errors and unexpected
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behavior. It is therefore highly recommended to use a release of Home
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Manager than corresponds with your chosen release of Nixpkgs.
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If you insist then you can disable this warning by adding
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home.enableNixpkgsReleaseCheck = false;
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to your configuration.
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'';
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home.username =
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mkIf (versionOlder config.home.stateVersion "20.09")
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(mkDefault (builtins.getEnv "USER"));
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home.homeDirectory =
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mkIf (versionOlder config.home.stateVersion "20.09")
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(mkDefault (builtins.getEnv "HOME"));
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home.profileDirectory =
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if config.submoduleSupport.enable
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&& config.submoduleSupport.externalPackageInstall
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then "/etc/profiles/per-user/${cfg.username}"
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else cfg.homeDirectory + "/.nix-profile";
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programs.bash.shellAliases = cfg.shellAliases;
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programs.zsh.shellAliases = cfg.shellAliases;
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programs.fish.shellAliases = cfg.shellAliases;
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home.sessionVariables =
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let
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maybeSet = n: v: optionalAttrs (v != null) { ${n} = v; };
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in
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(maybeSet "LANG" cfg.language.base)
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//
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(maybeSet "LC_CTYPE" cfg.language.ctype)
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//
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(maybeSet "LC_NUMERIC" cfg.language.numeric)
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//
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(maybeSet "LC_TIME" cfg.language.time)
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//
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(maybeSet "LC_COLLATE" cfg.language.collate)
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//
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(maybeSet "LC_MONETARY" cfg.language.monetary)
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//
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(maybeSet "LC_MESSAGES" cfg.language.messages)
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//
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(maybeSet "LC_PAPER" cfg.language.paper)
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//
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(maybeSet "LC_NAME" cfg.language.name)
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//
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(maybeSet "LC_ADDRESS" cfg.language.address)
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//
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(maybeSet "LC_TELEPHONE" cfg.language.telephone)
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//
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(maybeSet "LC_MEASUREMENT" cfg.language.measurement);
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home.packages = [
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# Provide a file holding all session variables.
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(
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pkgs.writeTextFile {
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name = "hm-session-vars.sh";
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destination = "/etc/profile.d/hm-session-vars.sh";
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text = ''
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# Only source this once.
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if [ -n "$__HM_SESS_VARS_SOURCED" ]; then return; fi
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export __HM_SESS_VARS_SOURCED=1
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${config.lib.shell.exportAll cfg.sessionVariables}
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'' + lib.optionalString (cfg.sessionPath != [ ]) ''
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export PATH="$PATH''${PATH:+:}${concatStringsSep ":" cfg.sessionPath}"
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'' + cfg.sessionVariablesExtra;
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}
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)
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];
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# A dummy entry acting as a boundary between the activation
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# script's "check" and the "write" phases.
|
||
home.activation.writeBoundary = hm.dag.entryAnywhere "";
|
||
|
||
# Install packages to the user environment.
|
||
#
|
||
# Note, sometimes our target may not allow modification of the Nix
|
||
# store and then we cannot rely on `nix-env -i`. This is the case,
|
||
# for example, if we are running as a NixOS module and building a
|
||
# virtual machine. Then we must instead rely on an external
|
||
# mechanism for installing packages, which in NixOS is provided by
|
||
# the `users.users.<name?>.packages` option. The activation
|
||
# command is still needed since some modules need to run their
|
||
# activation commands after the packages are guaranteed to be
|
||
# installed.
|
||
#
|
||
# In case the user has moved from a user-install of Home Manager
|
||
# to a submodule managed one we attempt to uninstall the
|
||
# `home-manager-path` package if it is installed.
|
||
home.activation.installPackages = hm.dag.entryAfter ["writeBoundary"] (
|
||
if config.submoduleSupport.externalPackageInstall
|
||
then
|
||
''
|
||
if [[ -e $HOME/.nix-profile/manifest.json ]] ; then
|
||
nix profile list \
|
||
| { grep 'home-manager-path$' || test $? = 1; } \
|
||
| cut -d ' ' -f 4 \
|
||
| xargs -t $DRY_RUN_CMD nix profile remove $VERBOSE_ARG
|
||
else
|
||
if nix-env -q | grep '^home-manager-path$'; then
|
||
$DRY_RUN_CMD nix-env -e home-manager-path
|
||
fi
|
||
fi
|
||
''
|
||
else
|
||
''
|
||
function nixReplaceProfile() {
|
||
local oldNix="$(command -v nix)"
|
||
|
||
nix profile list \
|
||
| { grep 'home-manager-path$' || test $? = 1; } \
|
||
| cut -d ' ' -f 4 \
|
||
| xargs -t $DRY_RUN_CMD nix profile remove $VERBOSE_ARG
|
||
|
||
$DRY_RUN_CMD $oldNix profile install $1
|
||
}
|
||
|
||
if [[ -e $HOME/.nix-profile/manifest.json ]] ; then
|
||
INSTALL_CMD="nix profile install"
|
||
INSTALL_CMD_ACTUAL="nixReplaceProfile"
|
||
LIST_CMD="nix profile list"
|
||
REMOVE_CMD_SYNTAX='nix profile remove {number | store path}'
|
||
else
|
||
INSTALL_CMD="nix-env -i"
|
||
INSTALL_CMD_ACTUAL="$DRY_RUN_CMD nix-env -i"
|
||
LIST_CMD="nix-env -q"
|
||
REMOVE_CMD_SYNTAX='nix-env -e {package name}'
|
||
fi
|
||
|
||
if ! $INSTALL_CMD_ACTUAL ${cfg.path} ; then
|
||
echo
|
||
_iError $'Oops, Nix failed to install your new Home Manager profile!\n\nPerhaps there is a conflict with a package that was installed using\n"%s"? Try running\n\n %s\n\nand if there is a conflicting package you can remove it with\n\n %s\n\nThen try activating your Home Manager configuration again.' "$INSTALL_CMD" "$LIST_CMD" "$REMOVE_CMD_SYNTAX"
|
||
exit 1
|
||
fi
|
||
unset -f nixReplaceProfile
|
||
unset INSTALL_CMD INSTALL_CMD_ACTUAL LIST_CMD REMOVE_CMD_SYNTAX
|
||
''
|
||
);
|
||
|
||
# Text containing Bash commands that will initialize the Home Manager Bash
|
||
# library. Most importantly, this will prepare for using translated strings
|
||
# in the `hm-modules` text domain.
|
||
lib.bash.initHomeManagerLib =
|
||
let
|
||
domainDir = pkgs.runCommand "hm-modules-messages" {
|
||
nativeBuildInputs = [ pkgs.buildPackages.gettext ];
|
||
} ''
|
||
for path in ${./po}/*.po; do
|
||
lang="''${path##*/}"
|
||
lang="''${lang%%.*}"
|
||
mkdir -p "$out/$lang/LC_MESSAGES"
|
||
msgfmt -o "$out/$lang/LC_MESSAGES/hm-modules.mo" "$path"
|
||
done
|
||
'';
|
||
in
|
||
''
|
||
export TEXTDOMAIN=hm-modules
|
||
export TEXTDOMAINDIR=${domainDir}
|
||
source ${../lib/bash/home-manager.sh}
|
||
'';
|
||
|
||
home.activationPackage =
|
||
let
|
||
mkCmd = res: ''
|
||
_iNote "Activating %s" "${res.name}"
|
||
${res.data}
|
||
'';
|
||
sortedCommands = hm.dag.topoSort cfg.activation;
|
||
activationCmds =
|
||
if sortedCommands ? result then
|
||
concatStringsSep "\n" (map mkCmd sortedCommands.result)
|
||
else
|
||
abort ("Dependency cycle in activation script: "
|
||
+ builtins.toJSON sortedCommands);
|
||
|
||
# Programs that always should be available on the activation
|
||
# script's PATH.
|
||
activationBinPaths = lib.makeBinPath (
|
||
with pkgs; [
|
||
bash
|
||
coreutils
|
||
diffutils # For `cmp` and `diff`.
|
||
findutils
|
||
gettext
|
||
gnugrep
|
||
gnused
|
||
ncurses # For `tput`.
|
||
]
|
||
++ config.home.extraActivationPath
|
||
)
|
||
+ (
|
||
# Add path of the Nix binaries, if a Nix package is configured, then
|
||
# use that one, otherwise grab the path of the nix-env tool.
|
||
if config.nix.enable && config.nix.package != null then
|
||
":${config.nix.package}/bin"
|
||
else
|
||
":$(${pkgs.coreutils}/bin/dirname $(${pkgs.coreutils}/bin/readlink -m $(type -p nix-env)))"
|
||
)
|
||
+ optionalString (!cfg.emptyActivationPath) "\${PATH:+:}$PATH";
|
||
|
||
activationScript = pkgs.writeShellScript "activation-script" ''
|
||
set -eu
|
||
set -o pipefail
|
||
|
||
cd $HOME
|
||
|
||
export PATH="${activationBinPaths}"
|
||
${config.lib.bash.initHomeManagerLib}
|
||
|
||
${builtins.readFile ./lib-bash/activation-init.sh}
|
||
|
||
${activationCmds}
|
||
'';
|
||
in
|
||
pkgs.runCommand
|
||
"home-manager-generation"
|
||
{
|
||
preferLocalBuild = true;
|
||
}
|
||
''
|
||
mkdir -p $out
|
||
|
||
echo "${config.home.version.full}" > $out/hm-version
|
||
|
||
cp ${activationScript} $out/activate
|
||
|
||
mkdir $out/bin
|
||
ln -s $out/activate $out/bin/home-manager-generation
|
||
|
||
substituteInPlace $out/activate \
|
||
--subst-var-by GENERATION_DIR $out
|
||
|
||
ln -s ${config.home-files} $out/home-files
|
||
ln -s ${cfg.path} $out/home-path
|
||
|
||
${cfg.extraBuilderCommands}
|
||
'';
|
||
|
||
home.path = pkgs.buildEnv {
|
||
name = "home-manager-path";
|
||
|
||
paths = cfg.packages;
|
||
inherit (cfg) extraOutputsToInstall;
|
||
|
||
postBuild = cfg.extraProfileCommands;
|
||
|
||
meta = {
|
||
description = "Environment of packages installed through home-manager";
|
||
};
|
||
};
|
||
};
|
||
}
|