git-remote-mediawiki: turn double-negated expressions into simple expressions

Signed-off-by: Célestin Matte <celestin.matte@ensimag.fr>
Signed-off-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/mw-to-git/git-remote-mediawiki.perl b/contrib/mw-to-git/git-remote-mediawiki.perl
index 1fcdf2db305ea7d93d624801c401f0899ac7d188..68df6e4a7006cf16ec2bee1f69d2ef76dbc23099 100755 (executable)
--- a/contrib/mw-to-git/git-remote-mediawiki.perl
+++ b/contrib/mw-to-git/git-remote-mediawiki.perl
@@ -131,16 +131,16 @@
        if (defined($cmd[0])) {
                # Line not blank
                if ($cmd[0] eq "capabilities") {
-                       die("Too many arguments for capabilities\n") unless (!defined($cmd[1]));
+                       die("Too many arguments for capabilities\n") if (defined($cmd[1]));
                        mw_capabilities();
                } elsif ($cmd[0] eq "list") {
-                       die("Too many arguments for list\n") unless (!defined($cmd[2]));
+                       die("Too many arguments for list\n") if (defined($cmd[2]));
                        mw_list($cmd[1]);
                } elsif ($cmd[0] eq "import") {
-                       die("Invalid arguments for import\n") unless ($cmd[1] ne "" && !defined($cmd[2]));
+                       die("Invalid arguments for import\n") if ($cmd[1] eq "" || defined($cmd[2]));
                        mw_import($cmd[1]);
                } elsif ($cmd[0] eq "option") {
-                       die("Too many arguments for option\n") unless ($cmd[1] ne "" && $cmd[2] ne "" && !defined($cmd[3]));
+                       die("Too many arguments for option\n") if ($cmd[1] eq "" || $cmd[2] eq "" || defined($cmd[3]));
                        mw_option($cmd[1],$cmd[2]);
                } elsif ($cmd[0] eq "push") {
                        mw_push($cmd[1]);