From aa8d46aa64a9feb5dc677c78b1225c52aff5bd6f Mon Sep 17 00:00:00 2001
From: zPlus <zplus@peers.community>
Date: Fri, 5 Aug 2022 07:31:37 +0200
Subject: [PATCH] Log page: show diffstat for first commit.

---
 web.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/web.py b/web.py
index 4386480..772b5eb 100644
--- a/web.py
+++ b/web.py
@@ -506,8 +506,11 @@ def log(repository, revision):
         
         commits.append(commit)
         
-        if len(commit.parents) > 0:
-            diff[commit.short_id] = commit.parents[0].tree.diff_to_tree(commit.tree)
+        # Diff with parent tree, or empty tree if there's no parent
+        diff[commit.short_id] = \
+                 commit.parents[0].tree.diff_to_tree(commit.tree) \
+            if   len(commit.parents) > 0 \
+            else commit.tree.diff_to_tree(swap=True)
     
     return template(
         'repository/log.html',