cleanup code, migrate to modules + start rewriting ddt4all derivation

modules/home-manager/fish.nix

@@ -0,0 +1,77 @@
+{ config, lib, ... }:
+
+{
+	options.modules.fish = {
+		enable = lib.mkEnableOption "Fish integration";
+		enableDefaultAliases = lib.mkOption {
+			type = lib.types.bool;
+			default = true;
+			description = "Enable default aliases and abbreviations";
+		};
+
+		enableStarship = lib.mkOption {
+			type = lib.types.bool;
+			default = false;
+			description = "Enable Starship prompt";
+		};
+
+		functions = lib.mkOption {
+			type = with lib.types; attrsOf str;
+			description = "Fish function definitions";
+		};
+	};
+
+	config = lib.mkIf config.modules.fish.enable {
+  		programs.nix-index = {
+  			enable = true;
+  			enableFishIntegration = true;
+		};
+
+		programs.starship = lib.mkIf config.modules.fish.enableStarship {
+			enable = true;
+			enableFishIntegration = true;
+		};
+
+		programs.fish = {
+   			enable = true;
+    		interactiveShellInit = ''
+				set fish_greeting
+				cat ~/.cache/wal/sequences
+			'';
+
+			shellAliases = lib.mkIf config.modules.fish.enableDefaultAliases {
+				".." = "cd ..";
+				"..." = "cd ../..";
+				"...." = "cd ../../../";
+				"....." = "cd ../../../../";
+		
+				"cp" = "cp -v";
+				"ddf" = "df -h";
+				"etc" = "erd -H";
+				"mkdir" = "mkdir -p";
+				"mv" = "mv -v";
+				"rm" = "rm -v";
+				"rr" = "rm -rf";
+
+				"neofetch" = "fastfetch";
+			};
+
+			shellAbbrs = lib.mkIf config.modules.fish.enableDefaultAliases {
+				gaa  = "git add -A";
+				ga   = "git add";
+				gbd  = "git branch --delete";
+				gb   = "git branch";
+				gc   = "git commit";
+				gcm  = "git commit -m";
+				gcob = "git checkout -b";
+				gco  = "git checkout";
+				gd   = "git diff";
+				gl   = "git log";
+				gp   = "git push";
+				gs   = "git status";
+			};
+	
+			functions = config.modules.fish.functions;
+		};
+	};
+}