bisect: check for mandatory argument of 'bisect replay'

diff --git a/git-send-email.perl b/git-send-email.perl
index bfb6a3634402ddc1411478b22e047a10d433d667..8cc416115569e38317e63d1638d361d579518b73 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -24,6 +24,7 @@
 use Data::Dumper;
 use Term::ANSIColor;
 use File::Temp qw/ tempdir tempfile /;
+use File::Spec::Functions qw(catfile);
 use Error qw(:try);
 use Git;
 
@@ -514,7 +515,7 @@ ($)
                opendir(DH,$f)
                        or die "Failed to opendir $f: $!";
 
-               push @files, grep { -f $_ } map { +$f . "/" . $_ }
+               push @files, grep { -f $_ } map { catfile($f, $_) }
                                sort readdir(DH);
                closedir(DH);
        } elsif ((-f $f or -p $f) and !check_file_rev_conflict($f)) {
@@ -908,7 +909,7 @@ sub sanitize_address {
 
 sub valid_fqdn {
        my $domain = shift;
-       return !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
+       return defined $domain && !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
 }
 
 sub maildomain_net {