From 4cde51df49a48e568c88a32ba92edf2002c51ee4 Mon Sep 17 00:00:00 2001
From: Gabriel Wicki <gabriel@erlikon.ch>
Date: Wed, 22 Dec 2021 16:23:00 +0100
Subject: [PATCH] add both hashes to "Checksum mismatch"-Exception message

---
 lib/sysgeneral.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/sysgeneral.py b/lib/sysgeneral.py
index edc094b..f9fc95a 100644
--- a/lib/sysgeneral.py
+++ b/lib/sysgeneral.py
@@ -59,7 +59,10 @@ class SysGeneral:
                 readable_hash = hashlib.sha256(downloaded_content).hexdigest()
                 if expected_hash == readable_hash:
                     return
-                raise Exception("Checksum mismatch")
+                raise Exception(f"Checksum mismatch for file {os.path.basename(file_name)}:\n\
+expected: {expected_hash}\n\
+actual:   {readable_hash}\n\
+When in doubt, try deleting the file in question -- it will be downloaded again when running this script the next time")
 
         raise Exception("File checksum is not yet recorded")