Allow deletion of files from the transient underlay

diff --git a/IkiWiki/Plugin/remove.pm b/IkiWiki/Plugin/remove.pm
index 3e9f9b82f3326872d3155678570d34785974e1c2..d48b28f955043ec347dd87879a789c0830dfa5ab 100644 (file)
--- a/IkiWiki/Plugin/remove.pm
+++ b/IkiWiki/Plugin/remove.pm
@@ -22,6 +22,13 @@ sub getsetup () {
                },
 }
 
+sub allowed_dirs {
+       return grep { defined $_ } (
+               $config{srcdir},
+               $IkiWiki::Plugin::transient::transientdir,
+       );
+}
+
 sub check_canremove ($$$) {
        my $page=shift;
        my $q=shift;
@@ -33,12 +40,22 @@ sub check_canremove ($$$) {
                        htmllink("", "", $page, noimageinline => 1)));
        }
 
-       # Must exist on disk, and be a regular file.
+       # Must exist in either the srcdir or a suitable underlay (e.g.
+       # transient underlay), and be a regular file.
        my $file=$pagesources{$page};
-       if (! -e "$config{srcdir}/$file") {
+       my $dir;
+
+       foreach my $srcdir (allowed_dirs()) {
+               if (-e "$srcdir/$file") {
+                       $dir = $srcdir;
+                       last;
+               }
+       }
+
+       if (! defined $dir) {
                error(sprintf(gettext("%s is not in the srcdir, so it cannot be deleted"), $file));
        }
-       elsif (-l "$config{srcdir}/$file" && ! -f _) {
+       elsif (-l "$dir/$file" && ! -f _) {
                error(sprintf(gettext("%s is not a file"), $file));
        }
        
@@ -46,7 +63,7 @@ sub check_canremove ($$$) {
        # This is sorta overkill, but better safe than sorry.
        if (! defined pagetype($pagesources{$page})) {
                if (IkiWiki::Plugin::attachment->can("check_canattach")) {
-                       IkiWiki::Plugin::attachment::check_canattach($session, $page, "$config{srcdir}/$file");
+                       IkiWiki::Plugin::attachment::check_canattach($session, $page, "$dir/$file");
                }
                else {
                        error("removal of attachments is not allowed");
@@ -223,21 +240,34 @@ sub sessioncgi ($$) {
                        require IkiWiki::Render;
                        if ($config{rcs}) {
                                IkiWiki::disable_commit_hook();
-                               foreach my $file (@files) {
-                                       IkiWiki::rcs_remove($file);
+                       }
+                       my $rcs_removed = 1;
+
+                       foreach my $file (@files) {
+                               foreach my $srcdir (allowed_dirs()) {
+                                       if (-e "$srcdir/$file") {
+                                               if ($srcdir eq $config{srcdir} && $config{rcs}) {
+                                                       IkiWiki::rcs_remove($file);
+                                                       $rcs_removed = 1;
+                                               }
+                                               else {
+                                                       IkiWiki::prune("$srcdir/$file", $srcdir);
+                                               }
+                                       }
                                }
-                               IkiWiki::rcs_commit_staged(
-                                       message => gettext("removed"),
-                                       session => $session,
-                               );
-                               IkiWiki::enable_commit_hook();
-                               IkiWiki::rcs_update();
                        }
-                       else {
-                               foreach my $file (@files) {
-                                       IkiWiki::prune("$config{srcdir}/$file", $config{srcdir});
+
+                       if ($config{rcs}) {
+                               if ($rcs_removed) {
+                                       IkiWiki::rcs_commit_staged(
+                                               message => gettext("removed"),
+                                               session => $session,
+                                       );
                                }
+                               IkiWiki::enable_commit_hook();
+                               IkiWiki::rcs_update();
                        }
+
                        IkiWiki::refresh();
                        IkiWiki::saveindex();