migrate to dotter

configs/fish/functions/_pure_parse_directory.fish

@@ -0,0 +1,23 @@
+function _pure_parse_directory \
+    --description "Replace '$HOME' with '~'" \
+    --argument-names max_path_length
+
+    set --local folder (fish_prompt_pwd_dir_length=$pure_shorten_prompt_current_directory_length prompt_pwd)
+
+    if test -n "$max_path_length"
+        if test (string length $folder) -gt $max_path_length
+            # If path exceeds maximum symbol limit, force fish path formating function to use 1 character
+            set folder (fish_prompt_pwd_dir_length=1 prompt_pwd)
+        end
+    end
+
+    if test "$pure_truncate_prompt_current_directory_keeps" -ge 1
+        set folder (
+            string split '/' $folder \
+                | tail -n $pure_truncate_prompt_current_directory_keeps \
+                | string join '/'
+        )
+    end
+
+    echo $folder
+end