refactor

modules/home/cli-apps/fish/default.nix

@@ -0,0 +1,53 @@
+{ lib
+, config
+, pkgs
+, ...
+}:
+let
+  inherit (lib) mkEnableOption mkIf;
+
+  cfg = config.plusultra.cli-apps.fish;
+in
+{
+  options.plusultra.cli-apps.fish = {
+    enable = mkEnableOption "FISH shell";
+  };
+
+  config = mkIf cfg.enable {
+    programs.fish = {
+      enable = true;
+      interactiveShellInit = ''
+        function msh --wraps mosh --description 'mosh with tmux'
+          if not set -q argv[1]
+            echo 'Usage: msh [user@]host [command]'
+          else
+            ${pkgs.mosh}/bin/mosh $argv -- tmux new-session -A -s 0
+          end
+        end
+      '';
+
+      plugins = [{
+        name = "foreign-env";
+        src = pkgs.fetchFromGitHub {
+          owner = "oh-my-fish";
+          repo = "plugin-foreign-env";
+          rev = "dddd9213272a0ab848d474d0cbde12ad034e65bc";
+          sha256 = "00xqlyl3lffc5l0viin1nyp819wf81fncqyz87jx8ljjdhilmgbs";
+        };
+      }];
+
+      shellInit =
+        ''
+          # nix
+          if test -e /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh
+              fenv source /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh
+          end
+
+          # home-manager
+          if test -e $HOME/.nix-profile/etc/profile.d/hm-session-vars.sh
+              fenv source $HOME/.nix-profile/etc/profile.d/hm-session-vars.sh
+          end
+        '';
+    };
+  };
+}