ripgrep-all: Add module

modules/modules.nix

@@ -203,6 +203,7 @@ let
     ./programs/readline.nix
     ./programs/rio.nix
     ./programs/ripgrep.nix
+    ./programs/ripgrep-all.nix
     ./programs/rofi-pass.nix
     ./programs/rofi.nix
     ./programs/rtorrent.nix

modules/programs/ripgrep-all.nix

@@ -0,0 +1,111 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.ripgrep-all;
+  configPath = if pkgs.stdenv.hostPlatform.isDarwin then
+    "Library/Application Support/ripgrep-all/config.jsonc"
+  else
+    "${config.xdg.configHome}/ripgrep-all/config.jsonc";
+  customAdapter = types.submodule {
+    # Descriptions are largely copied from https://github.com/phiresky/ripgrep-all/blob/v1.0.0-alpha.5/src/adapters/custom.rs
+    options = {
+      name = mkOption {
+        type = types.str;
+        description =
+          "The unique identifier and name of this adapter; must only include a-z, 0-9, _";
+      };
+      version = mkOption {
+        type = types.int;
+        default = 1;
+        description =
+          "The version identifier used to key cache entries; change if the configuration or program changes";
+      };
+      description = mkOption {
+        type = types.str;
+        description = "A description of this adapter; shown in rga's help";
+      };
+      extensions = mkOption {
+        type = types.listOf types.str;
+        description = "The file extensions this adapter supports";
+        example = [ "pdf" ];
+      };
+      mimetypes = mkOption {
+        type = types.nullOr (types.listOf types.str);
+        default = null;
+        description =
+          "If not null and --rga-accurate is enabled, mime type matching is used instead of file name matching";
+        example = [ "application/pdf" ];
+      };
+      binary = mkOption {
+        type = types.path;
+        description = "The path of the binary to run";
+      };
+      args = mkOption {
+        type = types.listOf types.str;
+        default = [ ];
+        description =
+          "The output path hint; the placeholders are the same as for rga's `args`";
+      };
+      disabledByDefault = mkOption {
+        type = types.nullOr types.bool;
+        default = null;
+        description = "If true, the adapter will be disabled by default";
+      };
+      matchOnlyByMime = mkOption {
+        type = types.nullOr types.bool;
+        default = null;
+        description =
+          "if --rga-accurate, only match by mime types, ignore extensions completely";
+      };
+      outputPathHint = mkOption {
+        type = types.nullOr types.str;
+        default = null;
+        description =
+          "Setting this is useful if the output format is not plain text (.txt) but instead some other format that should be passed to another adapter";
+        example = "$${input_virtual_path}.txt.asciipagebreaks";
+      };
+    };
+  };
+  formatCustomAdapter = customAdapter:
+    filterAttrs (n: v: v != null) {
+      inherit (customAdapter)
+        args binary description extensions mimetypes name version;
+      match_only_by_mime = customAdapter.matchOnlyByMime;
+      disabled_by_default = customAdapter.disabledByDefault;
+      output_path_hint = customAdapter.outputPathHint;
+    };
+in {
+  meta.maintainers = [ maintainers.lafrenierejm ];
+
+  options = {
+    programs.ripgrep-all = {
+      enable = mkEnableOption "ripgrep-all (rga)";
+
+      package = mkPackageOption pkgs "ripgrep-all" { };
+
+      customAdapters = mkOption {
+        type = types.listOf customAdapter;
+        default = [ ];
+        description = ''
+          Custom adapters that invoke external preprocessing scripts.
+          See <link xlink:href="https://github.com/phiresky/ripgrep-all/wiki#custom-adapters"/>.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home = {
+      packages = [ cfg.package ];
+
+      file."${configPath}" = mkIf (cfg.customAdapters != [ ]) {
+        source = (pkgs.formats.json { }).generate "ripgrep-all" {
+          "$schema" = "./config.schema.json";
+          custom_adapters = map formatCustomAdapter cfg.customAdapters;
+        };
+      };
+    };
+  };
+}