git-remote-mediawiki: replace "unless" statements with negated "if" statements

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 9e828ab79e0ec36f83e04beb66066d1fadb3e335..f0c313fa286dbeb472c52e4ac1590e083d927c0c 100755 (executable)
--- a/contrib/mw-to-git/git-remote-mediawiki.perl
+++ b/contrib/mw-to-git/git-remote-mediawiki.perl
@@ -82,11 +82,11 @@ $shallow_import = ($shallow_import eq 'true');
 # - by_rev: perform one query per new revision on the remote wiki
 # - by_page: query each tracked page for new revision
 my $fetch_strategy = run_git("config --get remote.${remotename}.fetchStrategy");
-unless ($fetch_strategy) {
+if (!$fetch_strategy) {
        $fetch_strategy = run_git('config --get mediawiki.fetchStrategy');
 }
 chomp($fetch_strategy);
-unless ($fetch_strategy) {
+if (!$fetch_strategy) {
        $fetch_strategy = 'by_page';
 }
 
@@ -108,7 +108,7 @@ my %basetimestamps;
 # deterministic, this means everybody gets the same sha1 for each
 # MediaWiki revision.
 my $dumb_push = run_git("config --get --bool remote.${remotename}.dumbPush");
-unless ($dumb_push) {
+if (!$dumb_push) {
        $dumb_push = run_git('config --get --bool mediawiki.dumbPush');
 }
 chomp($dumb_push);
@@ -667,7 +667,7 @@ sub fetch_mw_revisions_for_page {
                        push(@page_revs, $page_rev_ids);
                        $revnum++;
                }
-               last unless $result->{'query-continue'};
+               last if (!$result->{'query-continue'});
                $query->{rvstartid} = $result->{'query-continue'}->{revisions}->{rvstartid};
        }
        if ($shallow_import && @page_revs) {
@@ -1239,7 +1239,7 @@ sub mw_push_revision {
                                die("Unknown error from mw_push_file()\n");
                        }
                }
-               unless ($dumb_push) {
+               if (!$dumb_push) {
                        run_git(qq(notes --ref=${remotename}/mediawiki add -f -m "mediawiki_revision: ${mw_revision}" ${sha1_commit}));
                        run_git(qq(update-ref -m "Git-MediaWiki push" refs/mediawiki/${remotename}/master ${sha1_commit} ${sha1_child}));
                }
@@ -1320,7 +1320,7 @@ sub get_mw_namespace_id {
        my $ns = $namespace_id{$name};
        my $id;
 
-       unless (defined $ns) {
+       if (!defined $ns) {
                print {*STDERR} "No such namespace ${name} on MediaWiki.\n";
                $ns = {is_namespace => 0};
                $namespace_id{$name} = $ns;