From 257a832e61e9058527ad5a8990786218240f6a84 Mon Sep 17 00:00:00 2001
From: laalsaas <laalsaas@systemli.org>
Date: Fri, 11 Nov 2022 21:08:36 +0100
Subject: [PATCH] fzf: init module

---
 .../from_md/release-notes/rl-2305.section.xml |  4 +-
 .../manual/release-notes/rl-2305.section.md   |  2 +-
 nixos/modules/module-list.nix                 |  1 +
 nixos/modules/programs/fzf.nix                | 37 +++++++++++++++++++
 4 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 nixos/modules/programs/fzf.nix

diff --git a/nixos/doc/manual/from_md/release-notes/rl-2305.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2305.section.xml
index b730d591868f..c101b5ef805a 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2305.section.xml
+++ b/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>
diff --git a/nixos/doc/manual/release-notes/rl-2305.section.md b/nixos/doc/manual/release-notes/rl-2305.section.md
index d630b993c0f4..8f5ebf53b8fd 100644
--- a/nixos/doc/manual/release-notes/rl-2305.section.md
+++ b/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}
 
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 18ce9e8a1516..59d6cf165f18 100644
--- a/nixos/modules/module-list.nix
+++ b/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
diff --git a/nixos/modules/programs/fzf.nix b/nixos/modules/programs/fzf.nix
new file mode 100644
index 000000000000..0452bf426227
--- /dev/null
+++ b/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 ];
+}