Merge branch 'jc/doc-git-updates' into maint

diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm
index b8b34744ea49df95196cfb7ef0566f6ced57ba6b..8478d0c95293b531547084e19b6680cf73187469 100644 (file)
--- a/perl/Git/SVN.pm
+++ b/perl/Git/SVN.pm
@@ -1616,6 +1616,24 @@ sub tie_for_persistent_memoization {
                Memoize::unmemoize 'has_no_changes';
        }
 
+       sub clear_memoized_mergeinfo_caches {
+               die "Only call this method in non-memoized context" if ($memoized);
+
+               my $cache_path = "$ENV{GIT_DIR}/svn/.caches/";
+               return unless -d $cache_path;
+
+               for my $cache_file (("$cache_path/lookup_svn_merge",
+                                    "$cache_path/check_cherry_pick",
+                                    "$cache_path/has_no_changes")) {
+                       for my $suffix (qw(yaml db)) {
+                               my $file = "$cache_file.$suffix";
+                               next unless -e $file;
+                               unlink($file) or die "unlink($file) failed: $!\n";
+                       }
+               }
+       }
+
+
        Memoize::memoize 'Git::SVN::repos_root';
 }
 
@@ -2107,8 +2125,13 @@ sub rev_map_set {
 
        sysopen(my $fh, $db_lock, O_RDWR | O_CREAT)
             or croak "Couldn't open $db_lock: $!\n";
-       $update_ref eq 'reset' ? _rev_map_reset($fh, $rev, $commit) :
-                                _rev_map_set($fh, $rev, $commit);
+       if ($update_ref eq 'reset') {
+               clear_memoized_mergeinfo_caches();
+               _rev_map_reset($fh, $rev, $commit);
+       } else {
+               _rev_map_set($fh, $rev, $commit);
+       }
+
        if ($sync) {
                $fh->flush or die "Couldn't flush $db_lock: $!\n";
                $fh->sync or die "Couldn't sync $db_lock: $!\n";