cwd: Fix home indicator when HOME contains a symlink

[kc9jud]

Fixes #415.

[domfi]

Maybe you just could use os.path.abspath() instead of os.path.realpath(). This changes only a few chars in the code.

--- cwd.py.orig 2023-03-09 11:50:20.450706673 +0100
+++ cwd.py      2023-03-09 11:45:32.158572853 +0100
@@ -6,7 +6,7 @@


 def replace_home_dir(cwd):
-    home = os.path.realpath(os.getenv('HOME'))
+    home = os.path.abspath(os.getenv('HOME'))
     if cwd.startswith(home):
         return '~' + cwd[len(home):]
     return cwd

[kc9jud]

@domfi os.path.abspath() does not resolve/normalize symlinks, but os.path.realpath() does.

[kc9jud]

Superseded by #551.