From c5f43e8f4a1ad774b7765f84562369810015f205 Mon Sep 17 00:00:00 2001
From: Barcode Betty <noreply@paperclip.ing>
Date: Sat, 4 Apr 2026 06:31:48 +0000
Subject: [PATCH] fix(api): escape percent signs in alembic database URL for
 configparser

CNPG-generated passwords containing URL-encoded chars (e.g. %2B, %2F) cause
configparser.BasicInterpolation to fail with "invalid interpolation syntax".
Escaping % as %% prevents this.

Co-Authored-By: Paperclip <noreply@paperclip.ing>
---
 alembic/env.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/alembic/env.py b/alembic/env.py
index 3e563e1..694d4dc 100644
--- a/alembic/env.py
+++ b/alembic/env.py
@@ -18,7 +18,7 @@ if not db_url:
         "CARTSNITCH_DATABASE_URL_SYNC must be set. "
         "Example: postgresql://user:pass@localhost:5432/cartsnitch"
     )
-config.set_main_option("sqlalchemy.url", db_url)
+config.set_main_option("sqlalchemy.url", db_url.replace("%", "%%"))
 
 target_metadata = Base.metadata