75 lines
2.1 KiB
Nix
75 lines
2.1 KiB
Nix
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{
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config,
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lib,
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...
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}: let
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inherit (lib.options) mkOption;
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inherit (lib.types) attrsOf listOf oneOf bool int path str;
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inherit (lib.attrsets) attrNames mapAttrsToList;
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inherit (lib.strings) concatStringsSep;
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inherit (lib.lists) elem filter isList;
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envFile = "99-user-env.conf";
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cfg = config.environment;
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toEnv = env:
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if isList env
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then concatStringsSep ":" (map toString env)
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else toString env;
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toConf = attrs:
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concatStringsSep "\n"
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(mapAttrsToList (name: value: "${name}=\"${toEnv value}\"") attrs);
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in {
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options.environment = {
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sessionVariables = mkOption {
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type = attrsOf (oneOf [(listOf (oneOf [int str path])) int str path]);
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default = {};
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example = {
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EDITOR = "nvim";
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VISUAL = "nvim";
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};
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description = ''
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A set of environment variables used in the user environment.
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These variables will be set as systemd user environment
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variables, using `environment.d`. The value of each
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variable can be either a string or a list of strings. The
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latter is concatenated, interspersed with colon
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characters.
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'';
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};
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forceOverride = mkOption {
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type = bool;
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default = false;
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example = true;
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description = ''
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Whether to override environment variables that might exist.
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This is useful for variables such as {env}`EDITOR`, which are set by
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default on NixOS.
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'';
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};
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};
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config = {
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files.".config/environment.d/${envFile}".text = toConf cfg.sessionVariables;
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warnings = let
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overlappingVars = filter (x: elem x (attrNames config.environment.sessionVariables)) (attrNames cfg.sessionVariables);
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in
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if
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!cfg.forceOverride
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&& overlappingVars != []
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then
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map (name: ''
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The session variable '${name}' is defined in both
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`hjem.users.<name>.environment.sessionVariables` and
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`config.environment.variables`. This may lead to conflicts.
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If you want the one defined in hjem to take precedence, make sure you
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set `forceOverride` to `true`.
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'')
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overlappingVars
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else [];
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};
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}
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