tjh.dev
nixos/nix-index: add module
+1
nixos/modules/module-list.nix
+1
nixos/modules/module-list.nix
+62
nixos/modules/programs/nix-index.nix
+62
nixos/modules/programs/nix-index.nix
···
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{ config, lib, pkgs, ... }:
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let
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cfg = config.programs.nix-index;
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in {
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options.programs.nix-index = with lib; {
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enable = mkEnableOption (lib.mdDoc "nix-index, a file database for nixpkgs");
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package = mkOption {
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type = types.package;
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default = pkgs.nix-index;
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defaultText = literalExpression "pkgs.nix-index";
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description = lib.mdDoc "Package providing the `nix-index` tool.";
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};
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enableBashIntegration = mkEnableOption (lib.mdDoc "Bash integration") // {
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default = true;
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};
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enableZshIntegration = mkEnableOption (lib.mdDoc "Zsh integration") // {
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default = true;
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};
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enableFishIntegration = mkEnableOption (lib.mdDoc "Fish integration") // {
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default = true;
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};
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};
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config = lib.mkIf cfg.enable {
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assertions = let
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checkOpt = name: {
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assertion = cfg.${name} -> !config.programs.command-not-found.enable;
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message = ''
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The 'programs.command-not-found.enable' option is mutually exclusive
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with the 'programs.nix-index.${name}' option.
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'';
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};
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in [ (checkOpt "enableBashIntegration") (checkOpt "enableZshIntegration") ];
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environment.systemPackages = [ cfg.package ];
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programs.bash.interactiveShellInit = lib.mkIf cfg.enableBashIntegration ''
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source ${cfg.package}/etc/profile.d/command-not-found.sh
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'';
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programs.zsh.interactiveShellInit = lib.mkIf cfg.enableZshIntegration ''
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source ${cfg.package}/etc/profile.d/command-not-found.sh
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'';
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# See https://github.com/bennofs/nix-index/issues/126
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programs.fish.interactiveShellInit = let
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wrapper = pkgs.writeScript "command-not-found" ''
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#!${pkgs.bash}/bin/bash
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source ${cfg.package}/etc/profile.d/command-not-found.sh
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command_not_found_handle "$@"
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'';
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in lib.mkIf cfg.enableFishIntegration ''
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function __fish_command_not_found_handler --on-event fish_command_not_found
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${wrapper} $argv
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end
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'';
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};
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}