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|
{ options, config, lib, pkgs, ... }:
with lib;
let
cfg = config.environment;
exportVariables =
mapAttrsToList (n: v: ''export ${n}="${v}"'') cfg.variables;
aliasCommands =
mapAttrsToList (n: v: ''alias ${n}=${escapeShellArg v}'')
(filterAttrs (k: v: v != null) cfg.shellAliases);
in
{
imports = [
(mkRemovedOptionModule [ "environment" "loginShell" ] ''
This option was only used to change the default command in tmux.
This has been removed in favour of changing the default command or default shell in tmux directly.
'')
];
options = {
environment.profiles = mkOption {
type = types.listOf types.str;
description = "A list of profiles used to setup the global environment.";
};
environment.darwinConfig = mkOption {
type = types.nullOr (types.either types.path types.str);
default =
if config.nixpkgs.flake.setNixPath then
# Don’t set this for flake‐based systems.
null
else if config.system.stateVersion >= 6 then
"/etc/nix-darwin/configuration.nix"
else
"${config.system.primaryUserHome}/.nixpkgs/darwin-configuration.nix";
defaultText = literalExpression ''
if config.nixpkgs.flake.setNixPath then
# Don’t set this for flake‐based systems.
null
else if config.system.stateVersion >= 6 then
"/etc/nix-darwin/configuration.nix"
else
"''${config.system.primaryUserHome}/.nixpkgs/darwin-configuration.nix"
'';
description = ''
The path of the darwin configuration.nix used to configure the system,
this updates the default darwin-config entry in NIX_PATH. Since this
changes an environment variable it will only apply to new shells.
NOTE: Changing this requires running {command}`darwin-rebuild switch -I darwin-config=/path/to/configuration.nix`
the first time to make darwin-rebuild aware of the custom location.
'';
};
environment.variables = mkOption {
type = types.attrsOf (types.either types.str (types.listOf types.str));
default = {};
example = { EDITOR = "vim"; LANG = "nl_NL.UTF-8"; };
description = ''
A set of environment variables used in the global environment.
These variables will be set on shell initialisation.
The value of each variable can be either a string or a list of
strings. The latter is concatenated, interspersed with colon
characters.
'';
apply = mapAttrs (n: v: if isList v then concatStringsSep ":" v else v);
};
environment.shellAliases = mkOption {
type = types.attrsOf types.str;
default = {};
example = { ll = "ls -l"; };
description = ''
An attribute set that maps aliases (the top level attribute names in
this option) to command strings or directly to build outputs. The
alises are added to all users' shells.
'';
};
environment.extraInit = mkOption {
type = types.lines;
default = "";
description = ''
Shell script code called during global environment initialisation
after all variables and profileVariables have been set.
This code is assumed to be shell-independent, which means you should
stick to pure sh without sh word split.
'';
};
environment.shellInit = mkOption {
default = "";
description = ''
Shell script code called during shell initialisation.
This code is asumed to be shell-independent, which means you should
stick to pure sh without sh word split.
'';
type = types.lines;
};
environment.loginShellInit = mkOption {
default = "";
description = ''
Shell script code called during login shell initialisation.
This code is asumed to be shell-independent, which means you should
stick to pure sh without sh word split.
'';
type = types.lines;
};
environment.interactiveShellInit = mkOption {
default = "";
description = ''
Shell script code called during interactive shell initialisation.
This code is asumed to be shell-independent, which means you should
stick to pure sh without sh word split.
'';
type = types.lines;
};
};
config = {
# This is horrible, sorry.
system.requiresPrimaryUser = mkIf (
config.nix.enable
&& !config.nixpkgs.flake.setNixPath
&& config.system.stateVersion < 6
&& options.environment.darwinConfig.highestPrio == (mkOptionDefault {}).priority
) [
"environment.darwinConfig"
];
environment.systemPath = mkMerge [
[ (makeBinPath cfg.profiles) ]
(mkOrder 1200 [ "/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin" ])
];
# Use user, default and system profiles.
environment.profiles = mkMerge [
(mkOrder 800 [ "$HOME/.nix-profile" ])
[ "/run/current-system/sw" "/nix/var/nix/profiles/default" ]
];
environment.extraInit = ''
export NIX_USER_PROFILE_DIR="/nix/var/nix/profiles/per-user/$USER"
export NIX_PROFILES="${concatStringsSep " " (reverseList cfg.profiles)}"
'';
environment.variables =
{
XDG_CONFIG_DIRS = map (path: path + "/etc/xdg") cfg.profiles;
XDG_DATA_DIRS = map (path: path + "/share") cfg.profiles;
EDITOR = mkDefault "nano";
PAGER = mkDefault "less -R";
};
system.build.setEnvironment = pkgs.writeText "set-environment" ''
# Prevent this file from being sourced by child shells.
export __NIX_DARWIN_SET_ENVIRONMENT_DONE=1
export PATH=${config.environment.systemPath}
${concatStringsSep "\n" exportVariables}
# Extra initialisation
${cfg.extraInit}
'';
system.build.setAliases = pkgs.writeText "set-aliases" ''
${concatStringsSep "\n" aliasCommands}
'';
};
}
|
