nushell: remove starship

modules/common/nushell/config.nu

@@ -1,7 +1,7 @@
 use std-rfc/clip
+use std null_device
 
 source ~/.config/nushell/zoxide.nu
-source ~/.config/nushell/starship.nu
 
 # Retrieve the output of the last command.
 def _ []: nothing -> any {
@@ -128,6 +128,86 @@ $env.config.float_precision = 2
 $env.LS_COLORS = (open ~/.config/nushell/ls_colors.txt)
 $env.config.ls.use_ls_colors = true
 
+do --env {
+  def prompt-header [
+    --left-char: string
+  ]: nothing -> string {
+    let jj_workspace_root = try {
+      jj workspace root err> $null_device
+    } catch {
+      ""
+    }
+
+    let body = if ($jj_workspace_root | is-not-empty) {
+      let subpath = pwd | path relative-to $jj_workspace_root
+      let subpath = if ($subpath | is-not-empty) {
+        $"(ansi magenta_bold) → (ansi reset)(ansi blue)($subpath)"
+      }
+
+      $"(ansi light_yellow_bold)($jj_workspace_root | path basename)($subpath)(ansi reset)"
+    } else {
+      let pwd = if (pwd | str starts-with $env.HOME) {
+        "~" | path join (pwd | path relative-to $env.HOME)
+      } else {
+        pwd
+      }
+  
+      $"(ansi cyan)($pwd)(ansi reset)"
+    }
+
+    $"(ansi light_yellow_bold)($left_char)━━━(ansi reset) ($body)(char newline)"
+  }
+
+  $env.PROMPT_INDICATOR = $"(ansi light_yellow_bold)┃(ansi reset) "
+  $env.PROMPT_INDICATOR_VI_NORMAL = $env.PROMPT_INDICATOR
+  $env.PROMPT_INDICATOR_VI_INSERT = $env.PROMPT_INDICATOR
+  $env.PROMPT_MULTILINE_INDICATOR = $env.PROMPT_INDICATOR
+  $env.PROMPT_COMMAND = {||
+    prompt-header --left-char "┏"
+  }
+  $env.PROMPT_COMMAND_RIGHT = {||
+    let jj_status = try {
+      jj --quiet --color always --ignore-working-copy log --no-graph --revisions @ --template '
+        separate(
+          " ",
+          if(empty, label("empty", "(empty)")),
+          coalesce(
+            surround(
+              "\"",
+              "\"",
+              if(
+                description.first_line().substr(0, 24).starts_with(description.first_line()),
+                description.first_line().substr(0, 24),
+                description.first_line().substr(0, 23) ++ "…"
+              )
+            ),
+            label(if(empty, "empty"), description_placeholder)
+          ),
+          bookmarks.join(", "),
+          change_id.shortest(),
+          commit_id.shortest(),
+          if(conflict, label("conflict", "(conflict)")),
+          if(divergent, label("divergent prefix", "(divergent)")),
+          if(hidden, label("hidden prefix", "(hidden)")),
+        )
+      ' err> $null_device
+    } catch {
+      ""
+    }
+
+    $jj_status
+  }
+
+  $env.TRANSIENT_PROMPT_INDICATOR = "  "
+  $env.TRANSIENT_PROMPT_INDICATOR_VI_INSERT = $env.TRANSIENT_PROMPT_INDICATOR
+  $env.TRANSIENT_PROMPT_INDICATOR_VI_NORMAL = $env.TRANSIENT_PROMPT_INDICATOR
+  $env.TRANSIENT_PROMPT_MULTILINE_INDICATOR = $env.TRANSIENT_PROMPT_INDICATOR
+  $env.TRANSIENT_PROMPT_COMMAND = {||
+    prompt-header --left-char "━"
+  }
+  $env.TRANSIENT_PROMPT_COMMAND_RIGHT = $env.PROMPT_COMMAND_RIGHT
+}
+
 $env.config.hooks.pre_prompt = []
 
 $env.config.hooks.pre_execution = [

modules/common/nushell/default.nix

@@ -1,5 +1,5 @@
 { config, lib, pkgs, ... }: let
-  inherit (lib) attrValues const enabled getExe mapAttrs mkIf optionalAttrs readFile removeAttrs replaceString;
+  inherit (lib) attrValues const disabled enabled getExe mapAttrs mkIf optionalAttrs readFile removeAttrs replaceString;
 in {
   environment = optionalAttrs config.isLinux {
     sessionVariables.SHELLS = getExe pkgs.nushell;
@@ -26,31 +26,8 @@ in {
         zoxide # For completions and better cd.
       ;
     };
-
-    variables.STARSHIP_LOG = "error";
   };
 
-  nixpkgs.overlays = [(self: super: {
-    starship = super.starship.overrideAttrs (old: {
-      src = self.fetchFromGitHub {
-        owner  = "poliorcetics";
-        repo   = "starship";
-        rev    = "92aba18381994599850053ba667c25017566b8ee";
-        hash   = "sha256-FKDvkDcxUPDLcjFQzvqsGXeJUm0Dq8TcA4edf5OkdWo=";
-      };
-
-      cargoDeps = self.rustPlatform.fetchCargoVendor {
-        inherit (self.starship) src;
-        hash = "sha256-nH1iYjKw/GbYKadoymH3onWBbMzuMUaRCSTNWVE+A9E=";
-      };
-
-      nativeBuildInputs = old.nativeBuildInputs ++ [
-        pkgs.cmake
-        pkgs.zlib-ng
-      ];
-    });
-  })];
-
   home-manager.sharedModules = [(homeArgs: let
     homeConfig = homeArgs.config;
   in {
@@ -62,31 +39,6 @@ in {
       "nushell/ls_colors.txt".source = pkgs.runCommand "ls_colors.txt" {} ''
         ${getExe pkgs.vivid} generate gruvbox-dark-hard > $out
       '';
-
-      "nushell/starship.nu".source = pkgs.runCommand "starship.nu" {} ''
-        ${getExe pkgs.starship} init nu > $out
-      '';
-    };
-
-    programs.starship = enabled {
-      # No because we are doing it at build time instead of the way
-      # this retarded module does it. Why the hell do you generate
-      # the config every time the shell is launched?
-      enableNushellIntegration = false;
-
-      settings = {
-        vcs.disabled = false;
-
-        command_timeout = 100;
-        scan_timeout    = 20;
-
-        cmd_duration.show_notifications = config.isDesktop;
-
-        package.disabled = config.isServer;
-
-        character.error_symbol   = "";
-        character.success_symbol = "";
-      };
     };
 
     programs.direnv = enabled {