fzf: init module

nixos/doc/manual/from_md/release-notes/rl-2305.section.xml

@@ -25,7 +25,9 @@
     <itemizedlist spacing="compact">
       <listitem>
         <para>
-          Create the first release note entry in this section!
+          <link xlink:href="https://github.com/junegunn/fzf">fzf</link>,
+          a command line fuzzyfinder. Available as
+          <link linkend="opt-programs.fzf.fuzzyCompletion">programs.fzf</link>.
         </para>
       </listitem>
     </itemizedlist>

nixos/doc/manual/release-notes/rl-2305.section.md

@@ -14,7 +14,7 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
 
-- Create the first release note entry in this section!
+- [fzf](https://github.com/junegunn/fzf), a command line fuzzyfinder. Available as [programs.fzf](#opt-programs.fzf.fuzzyCompletion).
 
 ## Backward Incompatibilities {#sec-release-23.05-incompatibilities}
 

nixos/modules/module-list.nix

@@ -165,6 +165,7 @@
   ./programs/flexoptix-app.nix
   ./programs/freetds.nix
   ./programs/fuse.nix
+  ./programs/fzf.nix
   ./programs/gamemode.nix
   ./programs/geary.nix
   ./programs/git.nix

nixos/modules/programs/fzf.nix

@@ -0,0 +1,37 @@
+{pkgs, config, lib, ...}:
+with lib;
+let
+  cfg = config.programs.fzf;
+in {
+  options = {
+    programs.fzf = {
+      fuzzyCompletion = mkOption {
+        type = types.bool;
+        description = lib.mdDoc "Whether to use fzf for fuzzy completion";
+        default = false;
+        example = true;
+      };
+      keybindings = mkOption {
+        type = types.bool;
+        description = lib.mdDoc "Whether to set up fzf keybindings";
+        default = false;
+        example = true;
+      };
+    };
+  };
+  config = {
+    environment.systemPackages = optional (cfg.keybindings || cfg.fuzzyCompletion) pkgs.fzf;
+    programs.bash.interactiveShellInit = optionalString cfg.fuzzyCompletion ''
+      source ${pkgs.fzf}/share/fzf/completion.bash
+    '' + optionalString cfg.keybindings ''
+      source ${pkgs.fzf}/share/fzf/key-bindings.bash
+    '';
+
+    programs.zsh.interactiveShellInit = optionalString cfg.fuzzyCompletion ''
+      source ${pkgs.fzf}/share/fzf/completion.zsh
+    '' + optionalString cfg.keybindings ''
+      source ${pkgs.fzf}/share/fzf/key-bindings.zsh
+    '';
+  };
+  meta.maintainers = with maintainers; [ laalsaas ];
+}