# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1678878485 -3600
# Node ID 70ca1f09ceca9a6cef561636b4656365d3c0f8b9
# Parent  90276164333a690b234dd6599a9975e00a36bdd3
transaction: add clarifying comment about why ignoring some error is fine

It is less scary when explained.

diff -r 90276164333a -r 70ca1f09ceca mercurial/transaction.py
--- a/mercurial/transaction.py	Wed Mar 15 11:18:24 2023 +0100
+++ b/mercurial/transaction.py	Wed Mar 15 12:08:05 2023 +0100
@@ -150,6 +150,16 @@
                 try:
                     vfs.unlink(target)
                 except FileNotFoundError:
+                    # This is fine because
+                    #
+                    # either we are trying to delete the main file, and it is
+                    # already deleted.
+                    #
+                    # or we are trying to delete a temporary file and it is
+                    # already deleted.
+                    #
+                    # in both case, our target result (delete the file) is
+                    # already achieved.
                     pass
         except (IOError, OSError, error.Abort):
             if not c: