init (cerulean template)

homes/modules/shell/elvish.nix

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+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  cfg = config.programs.elvish;
+in {
+  options.programs.elvish = {
+    enable = lib.mkEnableOption "elvish";
+  };
+
+  config = lib.mkIf cfg.enable {
+    home = {
+      packages = with pkgs; [elvish];
+
+      file.".elvish/nix.elv".source = let
+        elvish-modules = pkgs.fetchFromGitHub {
+          owner = "zzamboni";
+          repo = "elvish-modules";
+          rev = "9005c970346ab06214b3cd3ed3e70f04f3c632ba";
+          hash = "sha256-/Dwtl12QzPvMoMMGoj+v3dwX2ZwFT8t/bohVy1zDE0c=";
+        };
+      in
+        builtins.toPath "${elvish-modules}/nix.elv";
+      # /${builtins.toPath elvish-modules.outPath}/nix.elv;
+    };
+  };
+}

homes/modules/shell/fish.nix

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+{pkgs, ...}: {
+  programs.fish = {
+    enable = true;
+    generateCompletions = true;
+
+    interactiveShellInit = let
+      greetings =
+        [
+          # Official _cry64 quotes
+          "Do butterflies cry when they're sad?"
+          "I hope they do"
+          "I think Alice is lost..."
+          "I once again retreat to the sanctuary of my virtual realm"
+
+          # Unknown
+          "Welcome weary traveler to my shop"
+
+          # Legend of Zelda
+          "It's dangerous to go alone! Take this."
+
+          # ULTRAKILL
+          "Something wicked this way comes"
+          "May your L's be many... and your bitches few"
+
+          # Terraria
+          "What a horrible night to have a curse."
+          "The ancient spirits of light and dark have been released."
+
+          # Calamity
+          "The god of the stars rejects your offering. The ritual can only be performed at night."
+          "You should have just died..."
+          "Supreme Witch, Calamitas has killed every player!"
+
+          # Key Fairy
+          "A broken heart beats in fractals"
+
+          # Signalis
+          "Remember our promise"
+        ]
+        |> map (x: "\"${x}\"")
+        |> builtins.concatStringsSep " ";
+    in ''
+      function rand_greet
+        set greetings ${greetings}
+        echo -n $greetings[(random 1 (count $greetings))]
+      end
+
+      set -g fish_greeting (rand_greet)
+    '';
+
+    plugins = [
+      {
+        name = "grc";
+        src = pkgs.fishPlugins.grc.src;
+      }
+    ];
+  };
+}

homes/modules/shell/zsh.nix

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+{...}: {
+  programs.zsh = {
+    enable = true;
+    enableCompletion = true;
+    autosuggestion.enable = true;
+    syntaxHighlighting.enable = true;
+
+    history = {
+      size = 10000;
+      ignoreAllDups = true;
+      path = "$HOME/.zsh_history";
+      ignorePatterns = [
+        "rm *"
+      ];
+    };
+  };
+}