builtin/fetch cleanup: always set default value for submodule recursing

diff --git a/git-send-email.perl b/git-send-email.perl
index f0417f64e7513ad085c5227500569f23905f03e4..7fd58744360a2bb14531ed3f73092b45449d5590 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -1355,7 +1355,7 @@ sub send_message {
                }
 
                require Net::SMTP;
-               my $use_net_smtp_ssl = version->parse($Net::SMTP::VERSION) < version->parse("1.28");
+               my $use_net_smtp_ssl = version->parse($Net::SMTP::VERSION) < version->parse("2.34");
                $smtp_domain ||= maildomain();
 
                if ($smtp_encryption eq 'ssl') {
@@ -1755,21 +1755,23 @@ sub unique_email_list {
 sub validate_patch {
        my $fn = shift;
 
-       my $validate_hook = catfile(catdir($repo->repo_path(), 'hooks'),
-                                   'sendemail-validate');
-       my $hook_error;
-       if (-x $validate_hook) {
-               my $target = abs_path($fn);
-               # The hook needs a correct cwd and GIT_DIR.
-               my $cwd_save = cwd();
-               chdir($repo->wc_path() or $repo->repo_path())
-                       or die("chdir: $!");
-               local $ENV{"GIT_DIR"} = $repo->repo_path();
-               $hook_error = "rejected by sendemail-validate hook"
-                       if system($validate_hook, $target);
-               chdir($cwd_save) or die("chdir: $!");
-       }
-       return $hook_error if $hook_error;
+       if ($repo) {
+               my $validate_hook = catfile(catdir($repo->repo_path(), 'hooks'),
+                                           'sendemail-validate');
+               my $hook_error;
+               if (-x $validate_hook) {
+                       my $target = abs_path($fn);
+                       # The hook needs a correct cwd and GIT_DIR.
+                       my $cwd_save = cwd();
+                       chdir($repo->wc_path() or $repo->repo_path())
+                               or die("chdir: $!");
+                       local $ENV{"GIT_DIR"} = $repo->repo_path();
+                       $hook_error = "rejected by sendemail-validate hook"
+                               if system($validate_hook, $target);
+                       chdir($cwd_save) or die("chdir: $!");
+               }
+               return $hook_error if $hook_error;
+       }
 
        open(my $fh, '<', $fn)
                or die sprintf(__("unable to open %s: %s\n"), $fn, $!);