From 26213f8ee443addfbc74e92a693e172d023b16e6 Mon Sep 17 00:00:00 2001
From: joey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>
Date: Sat, 17 Mar 2007 23:57:03 +0000
Subject: [PATCH] * Detect the case of two people independently creating the
 same page at the   same time, and let the second person resolve the conflict.

---
 IkiWiki/CGI.pm          | 15 +++++++++++++++
 debian/changelog        |  4 +++-
 templates/editpage.tmpl | 11 +++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index acf1f5969..2b7727000 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -497,6 +497,21 @@ sub cgi_editpage ($$) { #{{{
 			print $form->render(submit => \@buttons);
 			return;
 		}
+		elsif (-e "$config{srcdir}/$file" &&
+		       $form->field("do") eq "create") {
+			$form->tmpl_param("creation_conflict", 1);
+			$form->field(name => "do", value => "edit", force => 1);
+			$form->tmpl_param("page_select", 0);
+			$form->field(name => "page", type => 'hidden');
+			$form->field(name => "type", type => 'hidden');
+			$form->title(sprintf(gettext("editing %s"), $page));
+			$form->field("editcontent", 
+				value => readfile("$config{srcdir}/$file").
+				         "\n\n\n".$form->field("editcontent"),
+				force => 1);
+			print $form->render(submit => \@buttons);
+			return;
+		}
 		
 		my $content=$form->field('editcontent');
 
diff --git a/debian/changelog b/debian/changelog
index ee860a08e..d76e05d77 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -8,8 +8,10 @@ ikiwiki (1.46) UNRELEASED; urgency=low
     with the same name already exists, and generally simplify the edit code.
   * Make ikiwiki -verbose -setup with a setup file that enabled syslog logging
     output the verbose build log to stdout, rather than to the syslog.
+  * Detect the case of two people independently creating the same page at the
+    same time, and let the second person resolve the conflict.
 
- -- Joey Hess <joeyh@debian.org>  Sat, 17 Mar 2007 19:31:31 -0400
+ -- Joey Hess <joeyh@debian.org>  Sat, 17 Mar 2007 19:56:04 -0400
 
 ikiwiki (1.45) unstable; urgency=low
 
diff --git a/templates/editpage.tmpl b/templates/editpage.tmpl
index 15a4069c0..3b3570a44 100644
--- a/templates/editpage.tmpl
+++ b/templates/editpage.tmpl
@@ -42,6 +42,17 @@ Perhaps someone else has deleted it or moved it. If you want to recreate
 this page with your text, click "Save Page" again.
 </p>
 </TMPL_IF>
+<TMPL_IF NAME="CREATION_CONFLICT">
+<p>
+<b>While you were creating this page, someone else independently created a page
+with the same name.</b>
+</p>
+<p>
+The edit box below contains the page's current content, followed by the 
+content you entered previously, to allow you to merge the two contents
+together before saving.
+</p>
+</TMPL_IF>
 <TMPL_VAR FORM-START>
 <div class="header">
 <span><TMPL_VAR INDEXLINK>/ <TMPL_VAR FORM-TITLE></span>
-- 
2.45.2