Use realpath for ignored VCS directories.

fish_prompt.fish

@@ -104,9 +104,10 @@ function __bobthefish_pretty_parent -S -a child_dir -d 'Print a parent directory
 end
 
 function __bobthefish_ignore_vcs_dir -d 'Check whether the current directory should be ignored as a VCS segment'
+    set -l real_pwd (realpath $PWD)
     for p in $theme_vcs_ignore_paths
         set ignore_path (realpath $p 2>/dev/null)
-        switch $PWD/
+        switch $real_pwd/
             case $ignore_path/\*
                 echo 1
                 return