[[!comment format=mdwn
 username="https://www.google.com/accounts/o8/id?id=AItOawnXybLxkPMYpP3yw4b_I6IdC3cKTD-xEdU"
 nickname="Matt"
 subject="comment 3"
 date="2011-11-30T20:42:55Z"
 content="""
I got to grip with things to make a patch to do this. :-)

Here it is in case of use to anyone.

<pre>
From f0554c5b61e1915086d5cf071f095ff233c2590d Mon Sep 17 00:00:00 2001
From: Matt Ford <matt@dancingfrog.co.uk>
Date: Wed, 30 Nov 2011 19:40:10 +0000
Subject: [PATCH] Patch to allow daily archival generation and link to them in
 the calendar

---
 IkiWiki/Plugin/calendar.pm   |   17 ++++++++++++++++-
 ikiwiki-calendar.in          |   34 +++++++++++++++++++++++++++++++---
 templates/calendarday.tmpl   |    5 +++++
 templates/calendarmonth.tmpl |    2 +-
 templates/calendaryear.tmpl  |    2 +-
 5 files changed, 54 insertions(+), 6 deletions(-)
 create mode 100644 templates/calendarday.tmpl

diff --git a/IkiWiki/Plugin/calendar.pm b/IkiWiki/Plugin/calendar.pm
index c7d2b7c..9999c03 100644
--- a/IkiWiki/Plugin/calendar.pm
+++ b/IkiWiki/Plugin/calendar.pm
@@ -47,6 +47,13 @@ sub getsetup () {
 			safe => 1,
 			rebuild => 1,
 		},
+		archiveday => {
+			type => \"boolean\",
+			example => 1,
+			description => \"enable archiving on a daily basis (otherwise monthly)\",
+			safe => 1,
+			rebuild => 1,
+		},
 		archive_pagespec => {
 			type => \"pagespec\",
 			example => \"page(posts/*) and !*/Discussion\",
@@ -222,11 +229,19 @@ EOF
 				$tag='month-calendar-day-link';
 			}
 			$calendar.=qq{\t\t<td class=\"$tag $downame{$wday}\">};
-			$calendar.=htmllink($params{page}, $params{destpage}, 
+			if (exists $pagesources{\"$archivebase/$params{year}/$params{month}/\".sprintf(\"%02d\",$day)}) {
+				$calendar.=htmllink($params{page}, $params{destpage}, 
+						\"$archivebase/$params{year}/$params{month}/\".sprintf(\"%02d\",$day),
+						noimageinline => 1,
+						linktext => \"$day\",
+						title => \"$key\");
+			}else{
+				$calendar.=htmllink($params{page}, $params{destpage}, 
 				$linkcache{$key},
 				noimageinline => 1,
 				linktext => $day,
 				title => pagetitle(IkiWiki::basename($linkcache{$key})));
+			}
 			$calendar.=qq{</td>\n};
 		}
 		else {
diff --git a/ikiwiki-calendar.in b/ikiwiki-calendar.in
index 037ef7d..af22bc5 100755
--- a/ikiwiki-calendar.in
+++ b/ikiwiki-calendar.in
@@ -30,21 +30,44 @@ IkiWiki::checkconfig();
 my $archivebase = 'archives';
 $archivebase = $config{archivebase} if defined $config{archivebase};
 
+my $archiveday = 0;
+$archiveday = $config{archiveday} if defined $config{archiveday};
+
 if (! defined $pagespec) {
 	$pagespec=$config{archive_pagespec} || \"*\";
 }
 
-sub writearchive ($$;$) {
+sub is_leap_year {
+	my $year=shift;
+	return ($year % 4 == 0 && (($year % 100 != 0) || $year % 400 == 0));
+}
+
+sub month_days {
+	my $month=shift;
+        my $year=shift;
+	my $days_in_month = (31,28,31,30,31,30,31,31,30,31,30,31)[$month-1];
+	if ($month == 2 && is_leap_year($year)) {
+		$days_in_month++;
+	}
+	return $days_in_month;
+}
+
+sub writearchive ($$;$;$) {
 	my $template=template(shift);
 	my $year=shift;
 	my $month=shift;
+        my $day=shift;
 
-	my $page=defined $month ? \"$year/$month\" : $year;
+	my $page;
+        if (defined $year)  {$page = \"$year\"};
+        if (defined $month) {$page = \"$year/$month\"};
+        if (defined $day)   {$page = \"$year/$month/$day\"};
 
 	my $pagefile=newpagefile(\"$archivebase/$page\", $config{default_pageext});
 	$template->param(pagespec => $pagespec);
 	$template->param(year => $year);
 	$template->param(month => $month) if defined $month;
+	$template->param(day => $day) if defined $day;
 
 	if ($force || ! -e \"$config{srcdir}/$pagefile\") {
 		writefile($pagefile, $config{srcdir}, $template->output);
@@ -54,8 +77,13 @@ sub writearchive ($$;$) {
 
 foreach my $y ($startyear..$endyear) {
 	writearchive(\"calendaryear.tmpl\", $y);
-	foreach my $m (qw{01 02 03 04 05 06 07 08 09 10 11 12}) {
+	foreach my $m (map {sprintf(\"%02d\",$_)} (1..12)) {
 		writearchive(\"calendarmonth.tmpl\", $y, $m);
+		if ($archiveday ) {
+			foreach my $d (map {sprintf(\"%02d\",$_)} (1..month_days($m,$y))) {
+				writearchive(\"calendarday.tmpl\", $y, $m, $d);
+			}
+		}
 	}
 }
 
diff --git a/templates/calendarday.tmpl b/templates/calendarday.tmpl
new file mode 100644
index 0000000..ac963b9
--- /dev/null
+++ b/templates/calendarday.tmpl
@@ -0,0 +1,5 @@
+[[!sidebar content=\"\"\"
+[[!calendar type=month month=<TMPL_VAR MONTH> year=<TMPL_VAR YEAR> pages=\"<TMPL_VAR PAGESPEC>\"]]
+\"\"\"]]
+
+[[!inline pages=\"creation_day(<TMPL_VAR DAY>) and creation_month(<TMPL_VAR MONTH>) and creation_year(<TMPL_VAR YEAR>) and <TMPL_VAR PAGESPEC>\" archive=\"yes\" show=0 feeds=no reverse=yes]]
diff --git a/templates/calendarmonth.tmpl b/templates/calendarmonth.tmpl
index 23cd954..c998c16 100644
--- a/templates/calendarmonth.tmpl
+++ b/templates/calendarmonth.tmpl
@@ -2,4 +2,4 @@
 [[!calendar type=month month=<TMPL_VAR MONTH> year=<TMPL_VAR YEAR> pages=\"<TMPL_VAR PAGESPEC>\"]]
 \"\"\"]]
 
-[[!inline pages=\"creation_month(<TMPL_VAR MONTH>) and creation_year(<TMPL_VAR YEAR>) and <TMPL_VAR PAGESPEC>\" show=0 feeds=no reverse=yes]]
+[[!inline pages=\"creation_month(<TMPL_VAR MONTH>) and creation_year(<TMPL_VAR YEAR>) and <TMPL_VAR PAGESPEC>\" archive=\"yes\" show=0 feeds=no reverse=yes]]
diff --git a/templates/calendaryear.tmpl b/templates/calendaryear.tmpl
index 714bd6d..b6e33c5 100644
--- a/templates/calendaryear.tmpl
+++ b/templates/calendaryear.tmpl
@@ -1 +1 @@
-[[!calendar type=year year=<TMPL_VAR YEAR> pages=\"<TMPL_VAR PAGESPEC>\"]]
+[[!calendar type=year year=<TMPL_VAR YEAR> pages=\"<TMPL_VAR PAGESPEC>\" archive=\"yes\"]]
-- 
1.7.7.3

:

</pre>
"""]]