zsh: spaceship -> starship

systems/common.nix

@@ -43,6 +43,7 @@
     ncdu
     youtube-dl
     tldr
+    starship
 
     # Audio
     beets
@@ -55,36 +56,45 @@
     openssl
   ];
 
-  programs.tmux = {
-    enable = true;
-    clock24 = true;
-  };
-
   users.defaultUserShell = pkgs.zsh;
-  programs.zsh = {
-    enable = true;
-    autosuggestions.enable = true;
-    enableCompletion = true;
-    syntaxHighlighting.enable = true;
-    interactiveShellInit = ''
-      source "$(${pkgs.fzf}/bin/fzf-share)/key-bindings.zsh"
-    '';
-    ohMyZsh = {
+  programs = {
+    tmux = {
       enable = true;
-      plugins = [ "git" "colored-man-pages" "command-not-found" "extract" "nix" ];
-      customPkgs = with pkgs;[
-        spaceship-prompt
-        nix-zsh-completions
-      ];
-      theme = "spaceship";
+      clock24 = true;
     };
+
+    zsh = {
+      enable = true;
+      autosuggestions.enable = true;
+      enableCompletion = true;
+      syntaxHighlighting.enable = true;
+      interactiveShellInit = ''
+        source "$(${pkgs.fzf}/bin/fzf-share)/key-bindings.zsh"
+        eval "$(starship init zsh)"
+      '';
+      ohMyZsh = {
+        enable = true;
+        plugins = [ "git" "colored-man-pages" "command-not-found" "extract" "nix" ];
+        customPkgs = with pkgs;[
+          nix-zsh-completions
+        ];
+      };
+    };
+
+    bash.interactiveShellInit = ''
+      eval "$(starship init bash)"
+    '';
   };
 
-  environment.variables = {
+  environment.variables = let
+    starshipConfToml =
+      pkgs.writeText "starship.toml" ''
+        [[battery.display]]
+        threshold = 50
+      '';
+  in {
     EDITOR = "nvim";
-    SPACESHIP_TIME_SHOW = "true";
-    SPACESHIP_BATTERY_THRESHOLD = "50";
-    SPACESHIP_EXIT_CODE_SHOW = "true";
+    STARSHIP_CONFIG = "${starshipConfToml}";
   };
 
   nix.gc.automatic = true;