From: Simon Tatham <anakin@pobox.com>
Date: Tue, 2 Jan 2024 13:39:56 +0000 (+0000)
Subject: Fix an edge case of watching a nearly empty feed.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=073b7443694a77a99dcee4dd78af5de3eb560ee4;p=mastodonochrome.git

Fix an edge case of watching a nearly empty feed.

This just came up when testing against a dev instance, which starts
off with 0 posts anywhere, of course.
---

diff --git a/src/file.rs b/src/file.rs
index 774d97c..5773a95 100644
--- a/src/file.rs
+++ b/src/file.rs
@@ -591,6 +591,12 @@ impl<Type: FileType, Source: FileDataSource>
         if self.contents.source.updated(feeds_updated) {
             self.contents.update_items(client);
             self.ensure_enough_rendered();
+
+            // If someone's home feed was almost completely empty,
+            // then adding a new post at the bottom may in fact cause
+            // there to have been a rendering overshoot where there
+            // previously wasn't!
+            self.fix_overshoot_at_top();
         }
     }
 }