Migrate from zsh to fish

homes/x86_64-linux/julian@kardorf/default.nix

@@ -25,7 +25,8 @@ config, ... }: {
 
   modules = {
     shell = {
-      zsh.enable = true;
+      # zsh.enable = true;
+      fish.enable = true;
       direnv.enable = true;
     };
     topgrade.enable = true;

modules/home/direnv/default.nix

@@ -20,7 +20,9 @@ config, ... }:
 
 with lib;
 
-let cfg = config.modules.shell.direnv;
+let
+  cfg = config.modules.shell.direnv;
+  shellcfg = config.modules.shell;
 in {
   options.modules.shell.direnv = { enable = mkOption { default = false; }; };
 
@@ -28,7 +30,7 @@ in {
     programs.direnv = {
       enable = true;
       nix-direnv.enable = true;
-      enableZshIntegration = true;
-    };
+    } // mkIf shellcfg.zsh.enable { enableZshIntegration = true; }
+      // mkIf shellcfg.fish.enable { enableFishIntegration = true; };
   };
 }

modules/home/fish/default.nix

@@ -0,0 +1,75 @@
+{
+# Snowfall Lib provides a customized `lib` instance with access to your flake's library
+# as well as the libraries available from your flake's inputs.
+lib,
+# An instance of `pkgs` with your overlays and packages applied is also available.
+pkgs,
+# You also have access to your flake's inputs.
+inputs,
+
+# Additional metadata is provided by Snowfall Lib.
+system, # The system architecture for this host (eg. `x86_64-linux`).
+target, # The Snowfall Lib target for this system (eg. `x86_64-iso`).
+format, # A normalized name for the system target (eg. `iso`).
+virtual
+, # A boolean to determine whether this system is a virtual target using nixos-generators.
+systems, # An attribute map of your defined hosts.
+
+# All other arguments come from the module system.
+config, ... }:
+
+with lib;
+
+let cfg = config.modules.shell.fish;
+in {
+  options.modules.shell.fish = { enable = mkOption { default = false; }; };
+
+  config = mkIf cfg.enable {
+
+    home.file = { ".config/starship.toml".source = ./starship.toml; };
+
+    home.packages = with pkgs; [ starship ];
+
+    programs.starship = {
+      enable = true;
+      enableFishIntegration = true;
+    };
+
+    programs.fish = {
+      enable = true;
+
+      interactiveShellInit = "set fish_greeting"; # Disable default greeting
+
+      plugins = [
+        {
+          name = "z";
+          src = pkgs.fishPlugins.z.src;
+        }
+        {
+          name = "lwd";
+          src = ./last-working-dir.fish;
+        }
+      ];
+
+      functions = {
+        fzf-z = ''
+          set dir $(z --list | fzf --tiebreak=index --tac | sed -E 's/^[0-9]+[[:space:]]+//')
+          cd $dir
+        '';
+        mkcd = ''
+          mkdir $argv
+          cd $argv
+        '';
+        run = ''
+          nix run nixpkgs#"$argv[1]" -- $argv[2..-1]
+        '';
+
+        # Last working directory functionality
+        # __onpwd = {
+        #   onVariable = "PWD";
+        #   body = "set --universal LAST_WORKING_DIR $PWD";
+        # };
+      };
+    };
+  };
+}

modules/home/fish/last-working-dir.fish

@@ -0,0 +1,12 @@
+if status --is-interactive; and test -d $LAST_WORKING_DIR; and test $PWD = $HOME
+    cd $LAST_WORKING_DIR
+end
+
+function lwd
+    cd $LAST_WORKING_DIR
+end
+
+function __onpwd --on-variable PWD
+    set --universal LAST_WORKING_DIR $PWD
+end
+# __onpwd

modules/home/fish/starship.toml

@@ -0,0 +1,14 @@
+# newline between shell prompts
+add_newline = false
+#format = "$all$directory$character"
+
+[line_break]
+disabled = true
+
+[directory]
+fish_style_pwd_dir_length = 1
+
+[status]
+map_symbol = true
+format = '[$symbol$status $common_meaning$signal_name$maybe_int]($style) '
+disabled = false

modules/home/rofi/default.nix

@@ -28,7 +28,7 @@ in {
     # this would need you to config rofi using home-manager
     # programs.rofi = { enable = true; };
 
-    # home.packages = with pkgs; [ rofi ];
+    home.packages = with pkgs; [ rofi ];
 
     home.file = { ".config/rofi/config.rasi".source = ./config.rasi; };
   };

systems/x86_64-linux/kardorf/default.nix

@@ -145,14 +145,15 @@
     description = "Julian";
     uid = 1000;
     group = "julian";
-    shell = pkgs.zsh;
-    extraGroups = [ "networkmanager" "wheel" "docker" ];
+    shell = pkgs.fish;
+    extraGroups = [ "networkmanager" "wheel" "docker" "vboxusers" ];
     packages = with pkgs; [ ]; # Using home-manager instead
   };
 
   home-manager.useGlobalPkgs =
     true; # make overlays for nixpkgs work for home-manager, not only the system
 
+  programs.fish.enable = true;
   programs.zsh.enable = true;
 
   programs.nix-ld.enable = true;