144 lines
4 KiB
Nix
144 lines
4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.direnv;
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tomlFormat = pkgs.formats.toml { };
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in {
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imports = [
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(mkRenamedOptionModule [
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"programs"
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"direnv"
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"enableNixDirenvIntegration"
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] [ "programs" "direnv" "nix-direnv" "enable" ])
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(mkRemovedOptionModule [ "programs" "direnv" "nix-direnv" "enableFlakes" ]
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"Flake support is now always enabled.")
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];
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meta.maintainers = [ maintainers.rycee ];
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options.programs.direnv = {
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enable = mkEnableOption "direnv, the environment switcher";
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config = mkOption {
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type = tomlFormat.type;
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default = { };
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description = ''
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Configuration written to
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{file}`$XDG_CONFIG_HOME/direnv/direnv.toml`.
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See
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{manpage}`direnv.toml(1)`.
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for the full list of options.
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'';
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};
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stdlib = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Custom stdlib written to
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{file}`$XDG_CONFIG_HOME/direnv/direnvrc`.
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'';
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};
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enableBashIntegration = mkOption {
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default = true;
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type = types.bool;
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description = ''
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Whether to enable Bash integration.
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'';
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};
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enableZshIntegration = mkOption {
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default = true;
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type = types.bool;
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description = ''
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Whether to enable Zsh integration.
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'';
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};
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enableFishIntegration = mkOption {
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default = true;
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type = types.bool;
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readOnly = true;
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description = ''
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Whether to enable Fish integration. Note, enabling the direnv module
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will always active its functionality for Fish since the direnv package
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automatically gets loaded in Fish. If this is not the case try adding
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```nix
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environment.pathsToLink = [ "/share/fish" ];
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```
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to the system configuration.
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'';
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};
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enableNushellIntegration = mkOption {
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default = true;
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type = types.bool;
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description = ''
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Whether to enable Nushell integration.
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'';
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};
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nix-direnv = {
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enable = mkEnableOption ''
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[nix-direnv](https://github.com/nix-community/nix-direnv),
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a fast, persistent use_nix implementation for direnv'';
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};
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};
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config = mkIf cfg.enable {
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home.packages = [ pkgs.direnv ];
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xdg.configFile."direnv/direnv.toml" = mkIf (cfg.config != { }) {
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source = tomlFormat.generate "direnv-config" cfg.config;
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};
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xdg.configFile."direnv/direnvrc" = let
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text = concatStringsSep "\n" (optional (cfg.stdlib != "") cfg.stdlib
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++ optional cfg.nix-direnv.enable
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"source ${pkgs.nix-direnv}/share/nix-direnv/direnvrc");
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in mkIf (text != "") { inherit text; };
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programs.bash.initExtra = mkIf cfg.enableBashIntegration (
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# Using mkAfter to make it more likely to appear after other
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# manipulations of the prompt.
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mkAfter ''
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eval "$(${pkgs.direnv}/bin/direnv hook bash)"
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'');
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programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
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eval "$(${pkgs.direnv}/bin/direnv hook zsh)"
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'';
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programs.fish.interactiveShellInit = mkIf cfg.enableFishIntegration (
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# Using mkAfter to make it more likely to appear after other
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# manipulations of the prompt.
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mkAfter ''
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${pkgs.direnv}/bin/direnv hook fish | source
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'');
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programs.nushell.extraConfig = mkIf cfg.enableNushellIntegration (
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# Using mkAfter to make it more likely to appear after other
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# manipulations of the prompt.
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mkAfter ''
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$env.config = ($env | default {} config).config
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$env.config = ($env.config | default {} hooks)
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$env.config = ($env.config | update hooks ($env.config.hooks | default [] pre_prompt))
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$env.config = ($env.config | update hooks.pre_prompt ($env.config.hooks.pre_prompt | append {
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code: "
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let direnv = (${pkgs.direnv}/bin/direnv export json | from json)
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let direnv = if ($direnv | length) == 1 { $direnv } else { {} }
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$direnv | load-env
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"
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}))
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'');
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};
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}
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