From 5cc8cf07ca0cbe6cb9337ce304fea46a720e1e08 Mon Sep 17 00:00:00 2001
From: Sebastian Wehrmann <sebastian@risclog.com>
Date: Tue, 6 Feb 2024 09:34:57 +0100
Subject: [PATCH] Add symlink to current appenv.

This allows adding a stable path to the Python interpreter in IDEs like
VS Code.
---
 src/appenv.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/appenv.py b/src/appenv.py
index 4512c10..c60dffe 100755
--- a/src/appenv.py
+++ b/src/appenv.py
@@ -333,7 +333,10 @@ def prepare(self, args=None, remaining=None):
                                b"".join(hash_content)).hexdigest()[:8]
         env_dir = os.path.join(self.appenv_dir, env_hash)
 
-        whitelist = set([env_dir, os.path.join(self.appenv_dir, "unclean")])
+        whitelist = set([
+            env_dir,
+            os.path.join(self.appenv_dir, "unclean"),
+            os.path.join(self.appenv_dir, 'current')])
         for path in glob.glob(
                 "{appenv_dir}/*".format(appenv_dir=self.appenv_dir)):
             if path not in whitelist:
@@ -369,6 +372,12 @@ def prepare(self, args=None, remaining=None):
 
             with open(os.path.join(env_dir, "appenv.ready"), "w") as f:
                 f.write("Ready or not, here I come, you can't hide\n")
+            current_path = os.path.join(self.appenv_dir, 'current')
+            try:
+                os.unlink(current_path)
+            except FileNotFoundError:
+                pass
+            os.symlink(env_dir, current_path)
 
         self.env_dir = env_dir