Johannes Schindelin <johannes.schindelin@xxxxxx> wrote: > +++ b/perl/Git/SVN.pm > @@ -1658,6 +1658,11 @@ 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 }; > + } That retrieve() call is unlikely to work without "use Storable" to import it into the current package. I also favor setting "$path.db" once to detect typos and avoid going over 80 columns. Additionally, having error-checking for unlink might be useful. So perhaps squashing this on top: diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm index 025c894..b3c1460 100644 --- a/perl/Git/SVN.pm +++ b/perl/Git/SVN.pm @@ -1660,10 +1660,15 @@ sub tie_for_persistent_memoization { } else { # first verify that any existing file can actually be loaded # (it may have been saved by an incompatible version) - if (-e "$path.db") { - unlink "$path.db" unless eval { retrieve("$path.db"); 1 }; + my $db = "$path.db"; + if (-e $db) { + use Storable qw(retrieve); + + if (!eval { retrieve($db); 1 }) { + unlink $db or die "unlink $db failed: $!"; + } } - tie %$hash => 'Memoize::Storable', "$path.db", 'nstore'; + tie %$hash => 'Memoize::Storable', $db, 'nstore'; } } Thoughts? Thanks.