Fix the branch links users of the Subversion frontend get when they enter

a wrong revision and only display this list if there are any branches
available for all SCMs.

NEWS.mdtext

@@ -31,6 +31,8 @@ or newer to properly run this version of Indefero!
   a new project or monotone key, in case an error popped up in the middle (issue 697)
 - Better error detection and reporting in the SyncMonotone plugin
   ATTENTION: This needs Pluf 46b7f251 or newer!
+- Fix the branch links users of the Subversion frontend get when they enter a wrong revision
+  and only display this list if there are any branches available for all SCMs
 
 ## Documentation
 

src/IDF/Views/Source.php

@@ -66,7 +66,8 @@ class IDF_Views_Source
                         'commit' => $commit,
                         'branches' => $branches,
                         );
-        return Pluf_Shortcuts_RenderToResponse('idf/source/invalid_revision.html',
+        $scmConf = $request->conf->getVal('scm', 'git');
+        return Pluf_Shortcuts_RenderToResponse('idf/source/'.$scmConf.'/invalid_revision.html',
                                                $params, $request);
     }
 

src/IDF/templates/idf/source/git/invalid_revision.html

@@ -0,0 +1,2 @@
+{extends "idf/source/invalid_revision.html"}
+

src/IDF/templates/idf/source/invalid_revision.html

@@ -5,6 +5,7 @@
 <p>{blocktrans}The branch or revision <b>{$commit}</b> is not valid or does not exist
 in this repository.{/blocktrans}</p>
 
+{if count($branches) > 0}
 <p>{blocktrans}The following list shows all available branches:{/blocktrans}</p>
 <ul>
 {foreach $branches as $branch => $path}
@@ -14,6 +15,7 @@ in this repository.{/blocktrans}</p>
 </li>
 {/foreach}
 </ul>
+{/if}
 
 {if $isOwner or $isMember}
 {aurl 'url', 'IDF_Views_Source::help', array($project.shortname)}

src/IDF/templates/idf/source/mercurial/invalid_revision.html

@@ -0,0 +1,2 @@
+{extends "idf/source/invalid_revision.html"}
+

src/IDF/templates/idf/source/mtn/invalid_revision.html

@@ -0,0 +1,2 @@
+{extends "idf/source/invalid_revision.html"}
+

src/IDF/templates/idf/source/svn/invalid_revision.html

@@ -0,0 +1,30 @@
+{extends "idf/source/base.html"}
+{block docclass}yui-t2{assign $inError=true}{/block}
+{block body}
+
+<p>{blocktrans}The revision <b>{$commit}</b> is not valid or does not exist
+in this repository.{/blocktrans}</p>
+
+{if count($branches) > 0}
+<p>{blocktrans}The following list shows all available branches:{/blocktrans}</p>
+<ul>
+{foreach $branches as $branch => $path}
+{if $path}{aurl 'url', 'IDF_Views_Source::tree', array($project.shortname, 'HEAD', $path)}
+{else}{aurl 'url', 'IDF_Views_Source::treeBase', array($project.shortname, 'HEAD')}{/if}
+<li class="label">
+  <a href="{$url}" class="label">{$branch}</a>
+</li>
+{/foreach}
+</ul>
+{/if}
+
+{if $isOwner or $isMember}
+{aurl 'url', 'IDF_Views_Source::help', array($project.shortname)}
+<p>{blocktrans}If this is a new repository, the reason for this error
+could be that you have not committed and / or pushed any change so far.
+In this case please take a look at the <a href="{$url}">Help</a> page
+how to access your repository.{/blocktrans}</p>
+{/if}
+
+{/block}
+