From 7cf69a3b8db6cdd451f83bfe1a6de3a07a6a295f Mon Sep 17 00:00:00 2001
From: Christian Gram Kalhauge <christian@kalhauge.dk>
Date: Fri, 9 Apr 2021 16:08:06 +0200
Subject: [PATCH] exa: add module

Exa is a 'ls' alternative with more sane colorscheme than lsd on white
backgrounds.
---
 .github/CODEOWNERS          |  2 ++
 modules/lib/maintainers.nix |  6 ++++++
 modules/misc/news.nix       | 10 ++++++++++
 modules/modules.nix         |  1 +
 modules/programs/exa.nix    | 36 ++++++++++++++++++++++++++++++++++++
 5 files changed, 55 insertions(+)
 create mode 100644 modules/programs/exa.nix

diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 5bfda4a72..475150fd4 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -57,6 +57,8 @@
 
 /modules/programs/emacs.nix                           @rycee
 
+/modules/programs/exa.nix                             @kalhauge
+
 /modules/programs/firefox.nix                         @rycee
 
 /modules/programs/gh.nix                              @Gerschtli
diff --git a/modules/lib/maintainers.nix b/modules/lib/maintainers.nix
index 220dccf7f..e0aaedb50 100644
--- a/modules/lib/maintainers.nix
+++ b/modules/lib/maintainers.nix
@@ -31,6 +31,12 @@
     github = "olmokramer";
     githubId = 3612514;
   };
+  kalhauge = {
+    name = "Christian Gram Kalhauge";
+    email = "kalhauge@users.noreply.github.com";
+    github = "kalhauge";
+    githubId = 1182166;
+  };
   kubukoz = {
     name = "Jakub Kozłowski";
     email = "kubukoz@users.noreply.github.com";
diff --git a/modules/misc/news.nix b/modules/misc/news.nix
index 88fcf075b..88193c55c 100644
--- a/modules/misc/news.nix
+++ b/modules/misc/news.nix
@@ -1863,6 +1863,7 @@ in
           lists to polybar-style 'foo-0, foo-1, ...' lists.
         '';
       }
+
       {
         time = "2021-02-25T22:36:43+00:00";
         condition = config.programs.git.enable && any (msmtp: msmtp.enable)
@@ -1873,6 +1874,7 @@ in
           'accounts.email.accounts.<name>.msmtp.enable' is true.
         '';
       }
+
       {
         time = "2021-03-03T22:16:05+00:00";
         message = ''
@@ -1880,6 +1882,7 @@ in
           https://no-color.org/.
         '';
       }
+
       {
         time = "2021-03-29T21:05:50+00:00";
         message = ''
@@ -1887,6 +1890,13 @@ in
           applied after 'programs.dircolors.settings'.
         '';
       }
+
+      {
+        time = "2021-04-11T20:44:54+00:00";
+        message = ''
+          A new module is available: 'programs.exa'.
+        '';
+      }
     ];
   };
 }
diff --git a/modules/modules.nix b/modules/modules.nix
index 11367e72f..0e4e7fef2 100644
--- a/modules/modules.nix
+++ b/modules/modules.nix
@@ -63,6 +63,7 @@ let
     (loadModule ./programs/direnv.nix { })
     (loadModule ./programs/eclipse.nix { })
     (loadModule ./programs/emacs.nix { })
+    (loadModule ./programs/exa.nix { })
     (loadModule ./programs/feh.nix { })
     (loadModule ./programs/firefox.nix { })
     (loadModule ./programs/fish.nix { })
diff --git a/modules/programs/exa.nix b/modules/programs/exa.nix
new file mode 100644
index 000000000..771e4e65c
--- /dev/null
+++ b/modules/programs/exa.nix
@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.programs.exa;
+
+  aliases = {
+    ls = "${pkgs.exa}/bin/exa";
+    ll = "${pkgs.exa}/bin/exa -l";
+    la = "${pkgs.exa}/bin/exa -a";
+    lt = "${pkgs.exa}/bin/exa --tree";
+    lla = "${pkgs.exa}/bin/exa -la";
+  };
+
+in {
+  meta.maintainers = [ maintainers.kalhauge ];
+
+  options.programs.exa = {
+    enable =
+      mkEnableOption "exa, a modern replacement for <command>ls</command>";
+    enableAliases = mkEnableOption "recommended exa aliases";
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ pkgs.exa ];
+
+    programs.bash.shellAliases = mkIf cfg.enableAliases aliases;
+
+    programs.zsh.shellAliases = mkIf cfg.enableAliases aliases;
+
+    programs.fish.shellAliases = mkIf cfg.enableAliases aliases;
+
+  };
+}