Merge branch 'feature/Show-Icinga-Web-2-s-version-in-the-frontend-9247'

resolves #9247

.gitattributes

@@ -6,3 +6,6 @@ Vagrantfile export-ignore
 
 # Normalize puppet manifests' line endings to LF on checkin and prevent conversion to CRLF when the files are checked out
 .puppet* eol=lf
+
+# Include version information on `git archive'
+/application/VERSION export-subst

application/VERSION

@@ -0,0 +1 @@
+$Format:%H%d %ci$

application/controllers/AboutController.php

@@ -0,0 +1,15 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+# namespace Icinga\Application\Controllers;
+
+use Icinga\Web\Controller\ActionController;
+use Icinga\Application\Version;
+
+class AboutController extends ActionController
+{
+    public function indexAction()
+    {
+        $this->view->version = Version::get();
+    }
+}

application/views/scripts/about/index.phtml

@@ -0,0 +1,25 @@
+<div class="content">
+    <h1>Icinga Web 2</h1>
+    <?php
+    $versionInfo = array();
+    if ($version !== false) {
+        foreach (array(
+            'appVersion'    => $this->translate('Version: %s'),
+            'gitCommitID'   => $this->translate('Git commit ID: %s'),
+            'gitCommitDate' => $this->translate('Git commit date: %s')
+        ) as $key => $label) {
+            if (array_key_exists($key, $version) && null !== ($value = $version[$key])) {
+                $versionInfo[] = sprintf($label, htmlspecialchars($value));
+            }
+        }
+    }
+
+    echo (
+        0 === count($versionInfo)
+            ? '<p class="message-error">' . $this->translate(
+                'Can\'t determine Icinga Web 2\'s version'
+            )
+            : '<p>' . nl2br(implode("\n", $versionInfo), false)
+    ) . '</p>';
+    ?>
+</div>

icingaweb2.spec

@@ -218,6 +218,7 @@ rm -rf %{buildroot}
 %{basedir}/application/forms
 %{basedir}/application/layouts
 %{basedir}/application/views
+%{basedir}/application/VERSION
 %{basedir}/doc
 %{basedir}/modules
 %{basedir}/public

library/Icinga/Application/Version.php

@@ -0,0 +1,37 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Application;
+
+class Version
+{
+    /**
+     * Get the version of this instance of Icinga Web 2
+     *
+     * @return array|bool   array on success, false otherwise
+     */
+    public static function get()
+    {
+        if (false === ($appVersion = @file_get_contents(
+            Icinga::app()->getApplicationDir() . DIRECTORY_SEPARATOR . 'VERSION'
+        ))) {
+            return false;
+        }
+
+        $matches = array();
+        if (false === ($res = preg_match(
+            '/(?<!.)\s*(?P<gitCommitID>\w+)(?:\s*\(.*?(?:(?<=[\(,])\s*tag\s*:\s*v(?P<appVersion>.+?)\s*(?=[\),]).*?)?\))?\s*(?P<gitCommitDate>\S+)/ms',
+            $appVersion,
+            $matches
+        )) || $res === 0) {
+            return false;
+        }
+
+        foreach ($matches as $key => $value) {
+            if (is_int($key) || $value === '') {
+                unset($matches[$key]);
+            }
+        }
+        return $matches;
+    }
+}

library/Icinga/Web/Menu.php

@@ -279,6 +279,11 @@ class Menu implements RecursiveIterator
                 'priority' => 990,
                 'renderer' => 'ForeignMenuItemRenderer'
             ));
+
+            $this->add(t('About'), array(
+                'url'       => 'about',
+                'priority'  => 1000
+            ));
         }
     }
 

public/css/icinga/layout-structure.less

@@ -331,8 +331,7 @@ html {
   position: absolute;
 }
 
-/* TODO: replace this with .error */
-.fileNotReadable {
+.message-error {
   padding: 0.5em;
   background-color: @colorCritical;
   font-weight: bold;