feat: starship integration and theme change

theme of starship changed to pure preset
integrated starship into nushell

home-manager/stvnliu/shells/starship/default.nix

@@ -15,10 +15,12 @@ in
       };
     };
     config = mkIf cfg.enable {
+      myShells.prompts.starship.confPath = ./presets/pure-direnv.toml;
       programs.starship = {
         enable = true;
         enableZshIntegration = config.myShells.zsh.enable;
         enableFishIntegration = config.myShells.fish.enable;
+        enableNushellIntegration = config.myShells.nushell.enable;
         settings = builtins.fromTOML (builtins.readFile cfg.confPath);
       };
     };

home-manager/stvnliu/shells/starship/presets/pure-direnv.toml

@@ -0,0 +1,52 @@
+format = """
+${direnv}\
+$username\
+$hostname\
+$directory\
+$git_branch\
+$git_state\
+$git_status\
+$cmd_duration\
+$line_break\
+$python\
+$character"""
+
+[direnv]
+disabled = false
+#command = '[[ $(direnv status) =~ "Found RC allowed false" ]] && echo "=========> missing: direnv allow <============"' # shows output of command
+detect_files = ['.envrc'] # can specify filters but wildcards are not supported
+
+[directory]
+style = "blue"
+
+[character]
+success_symbol = "[❯](purple)"
+error_symbol = "[❯](red)"
+vimcmd_symbol = "[❮](green)"
+
+[git_branch]
+format = "[$branch]($style)"
+style = "bright-black"
+
+[git_status]
+format = "[[(*$conflicted$untracked$modified$staged$renamed$deleted)](218) ($ahead_behind$stashed)]($style)"
+style = "cyan"
+conflicted = "​"
+untracked = "​"
+modified = "​"
+staged = "​"
+renamed = "​"
+deleted = "​"
+stashed = "≡"
+
+[git_state]
+format = '\([$state( $progress_current/$progress_total)]($style)\) '
+style = "bright-black"
+
+[cmd_duration]
+format = "[$duration]($style) "
+style = "yellow"
+
+[python]
+format = "[$virtualenv]($style) "
+style = "bright-black"