From 2a60cda1729ead6dd2f13fc40ef1dccec5b30d92 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Sat, 25 Dec 2010 23:01:08 +0000
Subject: [PATCH 1/3] tag: optionally write autocreated tags to the transient
 underlay

For the moment, have the tag test keep the old behaviour.
---
 IkiWiki/Plugin/tag.pm | 20 ++++++++++++++++++--
 t/tag.t               |  1 +
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/IkiWiki/Plugin/tag.pm b/IkiWiki/Plugin/tag.pm
index fd5ce1e8a..e4c8a1155 100644
--- a/IkiWiki/Plugin/tag.pm
+++ b/IkiWiki/Plugin/tag.pm
@@ -12,6 +12,8 @@ sub import {
 	hook(type => "preprocess", id => "tag", call => \&preprocess_tag, scan => 1);
 	hook(type => "preprocess", id => "taglink", call => \&preprocess_taglink, scan => 1);
 	hook(type => "pagetemplate", id => "tag", call => \&pagetemplate);
+
+	IkiWiki::loadplugin("transient");
 }
 
 sub getopt () {
@@ -41,6 +43,14 @@ sub getsetup () {
 			safe => 1,
 			rebuild => undef,
 		},
+		tag_autocreate_commit => {
+			type => "boolean",
+			example => 1,
+			default => 1,
+			description => "commit autocreated tag pages",
+			safe => 1,
+			rebuild => 0,
+		},
 }
 
 sub taglink ($) {
@@ -97,8 +107,14 @@ sub gentag ($) {
 			my $template=template("autotag.tmpl");
 			$template->param(tagname => tagname($tag));
 			$template->param(tag => $tag);
-			writefile($tagfile, $config{srcdir}, $template->output);
-			if ($config{rcs}) {
+
+			my $dir = $config{srcdir};
+			if (! $config{tag_autocreate_commit}) {
+				$dir = $IkiWiki::Plugin::transient::transientdir;
+			}
+
+			writefile($tagfile, $dir, $template->output);
+			if ($config{rcs} && $config{tag_autocreate_commit}) {
 				IkiWiki::disable_commit_hook();
 				IkiWiki::rcs_add($tagfile);
 				IkiWiki::rcs_commit_staged(message => $message);
diff --git a/t/tag.t b/t/tag.t
index 693900c43..f4aac765f 100755
--- a/t/tag.t
+++ b/t/tag.t
@@ -22,6 +22,7 @@ $config{wiki_file_chars} = "-[:alnum:]+/.:_";
 $config{userdir} = "users";
 $config{tagbase} = "tags";
 $config{tag_autocreate} = 1;
+$config{tag_autocreate_commit} = 1;
 $config{default_pageext} = "mdwn";
 $config{wiki_file_prune_regexps} = [qr/^\./];
 $config{underlaydirbase} = '.';

From f695bdd843520729aa73cd063c22f1ebd1a01f1f Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Fri, 7 Jan 2011 20:11:19 +0000
Subject: [PATCH 2/3] tag test: write tag pages into the transient underlay

---
 t/tag.t | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/t/tag.t b/t/tag.t
index f4aac765f..0d360b06e 100755
--- a/t/tag.t
+++ b/t/tag.t
@@ -3,7 +3,7 @@ package IkiWiki;
 
 use warnings;
 use strict;
-use Test::More tests => 22;
+use Test::More tests => 23;
 
 BEGIN { use_ok("IkiWiki"); }
 BEGIN { use_ok("IkiWiki::Render"); }
@@ -22,7 +22,7 @@ $config{wiki_file_chars} = "-[:alnum:]+/.:_";
 $config{userdir} = "users";
 $config{tagbase} = "tags";
 $config{tag_autocreate} = 1;
-$config{tag_autocreate_commit} = 1;
+$config{tag_autocreate_commit} = 0;
 $config{default_pageext} = "mdwn";
 $config{wiki_file_prune_regexps} = [qr/^\./];
 $config{underlaydirbase} = '.';
@@ -66,7 +66,8 @@ my (%pages, @del);
 IkiWiki::gen_autofile("tags/lucky.mdwn", \%pages, \@del);
 is_deeply(\%pages, {"t/tmp/tags/lucky" => 1}) || diag explain \%pages;
 is_deeply(\@del, []) || diag explain \@del;
-ok(-s "t/tmp/tags/lucky.mdwn");
+ok(! -s "t/tmp/tags/lucky.mdwn");
+ok(-s "t/tmp/.ikiwiki/transient/tags/lucky.mdwn");
 
 # generating an autofile that already exists does nothing
 %pages = @del = ();

From 40f85e5c91c86a55661f68a5e9e38cc2c2a1e1be Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Sun, 26 Dec 2010 22:19:58 +0000
Subject: [PATCH 3/3] tag: default to tag_autocreate_commit=1 as intended

---
 IkiWiki/Plugin/tag.pm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/IkiWiki/Plugin/tag.pm b/IkiWiki/Plugin/tag.pm
index e4c8a1155..13dabce0c 100644
--- a/IkiWiki/Plugin/tag.pm
+++ b/IkiWiki/Plugin/tag.pm
@@ -7,6 +7,7 @@ use strict;
 use IkiWiki 3.00;
 
 sub import {
+	hook(type => "checkconfig", id => "tag", call => \&checkconfig);
 	hook(type => "getopt", id => "tag", call => \&getopt);
 	hook(type => "getsetup", id => "tag", call => \&getsetup);
 	hook(type => "preprocess", id => "tag", call => \&preprocess_tag, scan => 1);
@@ -53,6 +54,12 @@ sub getsetup () {
 		},
 }
 
+sub checkconfig () {
+	if (! defined $config{tag_autocreate_commit}) {
+		$config{tag_autocreate_commit} = 1;
+	}
+}
+
 sub taglink ($) {
 	my $tag=shift;