refactor(shells): let nushell own PATH and aliases (#342)

home/base/core/shells/config.nu

@@ -193,7 +193,19 @@ const NU_PLUGIN_DIRS = [
 # a convenience method for prepending to the path:
 use std/util "path add"
 path add "~/.local/bin"
+# Tools installed outside Nix (go install / cargo install / npm -g).
+path add "~/go/bin"
+path add "~/.cargo/bin"
+path add "~/.npm/bin"
 
 # You can remove duplicate directories from the path using:
 $env.PATH = ($env.PATH | uniq)
 
+# ----------------------
+# Aliases
+# ----------------------
+
+# programs.kubecolor.enableAlias only covers bash/zsh, so wire it for nushell too.
+alias kubectl = kubecolor
+alias k = kubecolor
+

home/base/core/shells/default.nix

@@ -1,33 +1,13 @@
-{ config, ... }:
-let
-  shellAliases = {
-    k = "kubectl";
-
-    urldecode = "python3 -c 'import sys, urllib.parse as ul; print(ul.unquote_plus(sys.stdin.read()))'";
-    urlencode = "python3 -c 'import sys, urllib.parse as ul; print(ul.quote_plus(sys.stdin.read()))'";
-  };
-
-  localBin = "${config.home.homeDirectory}/.local/bin";
-  goBin = "${config.home.homeDirectory}/go/bin";
-  rustBin = "${config.home.homeDirectory}/.cargo/bin";
-  npmBin = "${config.home.homeDirectory}/.npm/bin";
-in
+{ ... }:
 {
-  programs.bash = {
-    enable = true;
-    enableCompletion = true;
-    bashrcExtra = ''
-      export PATH="$PATH:${localBin}:${goBin}:${rustBin}:${npmBin}"
-    '';
-  };
+  # Kept only for the `~/.profile` it generates: that file sources `hm-session-vars.sh`,
+  # and the terminals launch `bash --login -c 'nu ...'`, so it is how `home.sessionVariables`
+  # reach nushell. Bash itself needs no env/alias setup here — nushell owns those, and a bash
+  # spawned from within nushell inherits the environment.
+  programs.bash.enable = true;
 
-  # NOTE: only works in bash/zsh, not nushell
-  home.shellAliases = shellAliases;
-
-  # NOTE: nushell will be launched in bash, so it can inherit all the eenvironment variables.
   programs.nushell = {
     enable = true;
     configFile.source = ./config.nu;
-    inherit shellAliases;
   };
 }