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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.environment;
exportVariables =
mapAttrsToList (n: v: ''export ${n}="${v}"'') cfg.variables;
aliasCommands =
mapAttrsFlatten (n: v: ''alias ${n}="${v}"'') cfg.shellAliases;
in {
options = {
environment.systemPackages = mkOption {
type = types.listOf types.package;
default = [];
example = literalExample "[ pkgs.nix-repl pkgs.vim ]";
description = ''
The set of packages that appear in
/run/current-system/sw. These packages are
automatically available to all users, and are
automatically updated every time you rebuild the system
configuration. (The latter is the main difference with
installing them in the default profile,
<filename>/nix/var/nix/profiles/default</filename>.
'';
};
environment.systemPath = mkOption {
type = types.loeOf types.str;
description = "The set of paths that are added to PATH.";
apply = x: if isList x then makeBinPath x else x;
};
environment.profiles = mkOption {
type = types.listOf types.str;
description = "A list of profiles used to setup the global environment.";
};
environment.extraOutputsToInstall = mkOption {
type = types.listOf types.str;
default = [];
example = [ "doc" "info" "devdoc" ];
description = "List of additional package outputs to be symlinked into <filename>/run/current-system/sw</filename>.";
};
environment.pathsToLink = mkOption {
type = types.listOf types.str;
default = [];
example = [ "/share/doc" ];
description = "List of directories to be symlinked in <filename>/run/current-system/sw</filename>.";
};
environment.loginShell = mkOption {
type = types.str;
default = "$SHELL";
description = "Configure default login shell.";
};
environment.variables = mkOption {
type = types.attrsOf (types.either types.str (types.listOf types.str));
default = {};
example = { EDITOR = "vim"; LANG = "nl_NL.UTF-8"; };
description = ''
A set of environment variables used in the global environment.
These variables will be set on shell initialisation.
The value of each variable can be either a string or a list of
strings. The latter is concatenated, interspersed with colon
characters.
'';
apply = mapAttrs (n: v: if isList v then concatStringsSep ":" v else v);
};
environment.shellAliases = mkOption {
type = types.attrsOf types.str;
default = {};
example = { ll = "ls -l"; };
description = ''
An attribute set that maps aliases (the top level attribute names in
this option) to command strings or directly to build outputs. The
alises are added to all users' shells.
'';
};
environment.extraInit = mkOption {
type = types.lines;
default = "";
description = ''
Shell script code called during global environment initialisation
after all variables and profileVariables have been set.
This code is asumed to be shell-independent, which means you should
stick to pure sh without sh word split.
'';
};
environment.interactiveShellInit = mkOption {
default = "";
description = ''
Shell script code called during interactive shell initialisation.
This code is asumed to be shell-independent, which means you should
stick to pure sh without sh word split.
'';
type = types.lines;
};
};
config = {
environment.systemPath = cfg.profiles ++ [ "/usr/local" "/usr" "" ];
environment.profiles =
[ # Use user, default and system profiles.
"$HOME/.nix-profile"
"/nix/var/nix/profiles/default"
"/run/current-system/sw"
];
environment.pathsToLink =
[ "/bin"
"/lib"
"/share/info"
"/share/locale"
];
environment.extraInit = ''
# reset TERM with new TERMINFO available (if any)
export TERM=$TERM
export NIX_USER_PROFILE_DIR="/nix/var/nix/profiles/per-user/$USER"
export NIX_PROFILES="${concatStringsSep " " (reverseList cfg.profiles)}"
'';
environment.variables =
{ NIX_SSL_CERT_FILE = mkDefault "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
EDITOR = mkDefault "nano";
PAGER = mkDefault "less -R";
};
system.path = pkgs.buildEnv {
name = "system-path";
paths = cfg.systemPackages;
inherit (cfg) pathsToLink extraOutputsToInstall;
};
system.build.setEnvironment = concatStringsSep "\n" exportVariables;
system.build.setAliases = concatStringsSep "\n" aliasCommands;
};
}
|
