Merge pull request #246 from uecasm/patch-1

Verify memoized files can be reloaded before using them
git-for-windows · Jul 18, 2015 · 43f871f · 43f871f
2 parents 2f7e7bb + 66f3783
commit 43f871f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm
@@ -1585,6 +1585,11 @@ sub tie_for_persistent_memoization {
 	if ($memo_backend > 0) {
 		tie %$hash => 'Git::SVN::Memoize::YAML', "$path.yaml";
 	} else {
+		# first verify that any existing file can actually be loaded
+		# (it may have been saved by an incompatible version)
+		if (-e "$path.db") {
+			unlink "$path.db" unless eval { retrieve("$path.db"); 1 };
+		}
 		tie %$hash => 'Memoize::Storable', "$path.db", 'nstore';
 	}
 }