If the file representing cache entry has size 0 (in bytes), the cache
entry is considered invalid, regardless of its freshness, even if cache
expiration is turned off.
[jh: This is a quick, and thankfully easy, check to regenerate the
cache if the resulting file is of size 0. This *SHOULDN'T* happen,
but it is possible that it could and thus adding the check.]
Based-on-commit-by: John 'Warthog9' Hawley <warthog9@xxxxxxxxxxxxxx>
Signed-off-by: Jakub Narebski <jnareb@xxxxxxxxx>
---
This patch is new and wasn't present in previous version of this
series.
It is inspired by commit 22eb7af (Gitweb - Regenerate the cache if the
resulting file has size of 0, 2010-09-23) on 'master' branch of
git/warthog9/gitweb.git repository on git.kernel.org
gitweb/lib/GitwebCache/SimpleFileCache.pm | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/gitweb/lib/GitwebCache/SimpleFileCache.pm b/gitweb/lib/GitwebCache/SimpleFileCache.pm
index 74d7246..6833699 100644
--- a/gitweb/lib/GitwebCache/SimpleFileCache.pm
+++ b/gitweb/lib/GitwebCache/SimpleFileCache.pm
@@ -295,6 +295,8 @@ sub is_valid {
# get its modification time
my $mtime = (stat(_))[9] # _ to reuse stat structure used in -f test
or die "Couldn't stat file '$path': $!";
+ # cache entry is invalid if it is size 0 (in bytes)
+ return 0 unless ((stat(_))[7] > 0);
# expire time can be set to never
my $expires_in = $self->get_expires_in();
--
1.7.3
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