convert rcs_revert to only stage the reversion

[ikiwiki.git] / IkiWiki / Plugin / recentchanges.pm

diff --git a/IkiWiki/Plugin/recentchanges.pm b/IkiWiki/Plugin/recentchanges.pm
index 65044080fe78d835d1d4b57e627ec0a9c8052661..44c981548a6913a0c6bc9e860743ec5a84eae9e1 100644 (file)
--- a/IkiWiki/Plugin/recentchanges.pm
+++ b/IkiWiki/Plugin/recentchanges.pm
@@ -11,9 +11,9 @@ sub import {
        hook(type => "getsetup", id => "recentchanges", call => \&getsetup);
        hook(type => "checkconfig", id => "recentchanges", call => \&checkconfig);
        hook(type => "refresh", id => "recentchanges", call => \&refresh);
-       hook(type => "pageactions", id => "recentchanges", call => \&pageactions);
        hook(type => "pagetemplate", id => "recentchanges", call => \&pagetemplate);
        hook(type => "htmlize", id => "_change", call => \&htmlize);
+       hook(type => "sessioncgi", id => "recentchanges", call => \&sessioncgi);
        # Load goto to fix up links from recentchanges
        IkiWiki::loadplugin("goto");
 }
@@ -61,20 +61,78 @@ sub refresh ($) {
        }
 }
 
-# Enable the recentchanges link on wiki pages.
-sub pageactions (@) {
-       my %params=@_;
-       my $page=$params{page};
+sub confirmation_form {
+       my ($q, $session, $rev) = @_;
+
+       eval q{use CGI::FormBuilder};
+       error($@) if $@;
+       my $f = CGI::FormBuilder->new(
+               name => "revert",
+               header => 0,
+               charset => "utf-8",
+               method => 'POST',
+               javascript => 0,
+               params => $q,
+               action => $config{cgiurl},
+               stylesheet => 1,
+               template => { template('revert.tmpl') },
+       );
 
-       if (defined $config{recentchangespage} && $config{rcs} &&
-           $page ne $config{recentchangespage}) {
-               return htmllink($page, $page, $config{recentchangespage},
-                       gettext("RecentChanges"));
+       $f->field(name => "sid", type => "hidden", value => $session->id,
+               force => 1);
+       $f->field(name => "do", type => "hidden", value => "revert",
+               force => 1);
+
+       return $f, ["Revert", "Cancel"];
+}
+
+sub sessioncgi ($$) {
+       my ($q, $session) = @_;
+       my $do = $q->param('do');
+       my $rev = $q->param('rev');
+
+       return unless $do eq 'revert' && $rev;
+
+       IkiWiki::rcs_preprevert(cgi => $q, session => $session, rev => $rev);
+
+       my ($form, $buttons) = confirmation_form($q, $session);
+       IkiWiki::decode_form_utf8($form);
+
+       if ($form->submitted eq 'Revert' && $form->validate) {
+               IkiWiki::checksessionexpiry($q, $session, $q->param('sid'));
+               IkiWiki::disable_commit_hook();
+               my $r = IkiWiki::rcs_revert($rev);
+               if (! defined $r) { # success
+                       rcs_commit_staged(
+                               message => sprintf(gettext("This reverts commit %s"), $rev),
+                               session => $session,
+                               rev => $rev,
+                       );
+               }
+               IkiWiki::enable_commit_hook();
+       
+               if (defined $r) {
+                       die "Revert '$rev' failed.";
+               }
+               else {
+                       require IkiWiki::Render;
+                       IkiWiki::refresh();
+                       IkiWiki::saveindex();
+               }
        }
+       elsif ($form->submitted ne 'Cancel') {
+               $form->title(sprintf(gettext("confirm reversion of %s"), $rev));
+               $form->tmpl_param(diff => encode_entities(scalar IkiWiki::rcs_diff($rev)));
+               $form->field(name => "rev", type => "hidden", value => $rev, force => 1);
+               IkiWiki::showform($form, $buttons, $session, $q);
+               exit 0;
+       }
+
+       IkiWiki::redirect($q, urlto($config{recentchangespage}, ''));
+       exit 0;
 }
 
-# Backwards compatability for templates still using
-# RECENTCHANGESURL.
+# Enable the recentchanges link.
 sub pagetemplate (@) {
        my %params=@_;
        my $template=$params{template};
@@ -127,13 +185,19 @@ sub store ($$$) {
                } @{$change->{pages}}
        ];
        push @{$change->{pages}}, { link => '...' } if $is_excess;
+       
+       if (length $config{cgiurl}) {
+               $change->{reverturl} = IkiWiki::cgiurl(
+                       do => "revert",
+                       rev => $change->{rev}
+               );
+       }
 
-       # See if the committer is an openid.
        $change->{author}=$change->{user};
        my $oiduser=eval { IkiWiki::openiduser($change->{user}) };
        if (defined $oiduser) {
                $change->{authorurl}=$change->{user};
-               $change->{user}=$oiduser;
+               $change->{user}=defined $change->{nickname} ? $change->{nickname} : $oiduser;
        }
        elsif (length $config{cgiurl}) {
                $change->{authorurl} = IkiWiki::cgiurl(