Improve git prompt performance

functions/__bobthefish_prompt_git_pwd.fish

@@ -0,0 +1,13 @@
+function __bobthefish_prompt_git_pwd -S -a git_root_dir -a real_pwd -d 'Display the in-project path segment'
+    set -l project_pwd (__bobthefish_project_pwd $git_root_dir $real_pwd)
+    [ "$project_pwd" ]
+    or return
+
+    if [ -w "$real_pwd" ]
+        __bobthefish_start_segment $color_path
+    else
+        __bobthefish_start_segment $color_path_nowrite
+    end
+
+    echo -ns $project_pwd ' '
+end