Add extra `class` to outer item lists & render subject header in the error box

library/Icinga/Web/Widget/ItemList/MigrationList.php

@@ -78,6 +78,9 @@ class MigrationList extends BaseItemList
     protected function assemble(): void
     {
         $itemClass = $this->getItemClass();
+        if (! $this->isMinimal()) {
+            $this->getAttributes()->add('class', 'file-list');
+        }
 
         /** @var MigrationHook $data */
         foreach ($this->data as $data) {

library/Icinga/Web/Widget/ItemList/MigrationListItemMinimal.php

@@ -86,8 +86,29 @@ class MigrationListItemMinimal extends BaseListItem
                 ])
             );
 
+            $scriptPath = $migration->getScriptPath();
+            /** @var string $parentDirs */
+            $parentDirs = substr($scriptPath, (int) strpos($scriptPath, 'schema'));
+            $parentDirs = substr($parentDirs, 0, strrpos($parentDirs, '/') + 1);
+
+            $title = new HtmlElement('div', Attributes::create(['class' => 'title']));
+            $title->addHtml(
+                new HtmlElement('span', null, Text::create($parentDirs)),
+                new HtmlElement(
+                    'span',
+                    Attributes::create(['class' => 'version']),
+                    Text::create($migration->getVersion() . '.sql')
+                ),
+                new HtmlElement(
+                    'span',
+                    Attributes::create(['class' => 'upgrade-failed']),
+                    Text::create($this->translate('Upgrade failed'))
+                )
+            );
+
             $wrapper->addHtml(
                 new Icon('circle-xmark'),
+                new HtmlElement('header', null, $title),
                 $caption,
                 new HtmlElement('pre', null, new HtmlString(Html::escape($migration->getLastState())))
             );
@@ -117,8 +138,6 @@ class MigrationListItemMinimal extends BaseListItem
 
     protected function assembleMain(BaseHtmlElement $main): void
     {
-        $this->getAttributes()->add('class', 'minimal');
-
         $main->addHtml($this->createHeader());
         $caption = $this->createCaption();
         if (! $caption->isEmpty()) {

public/css/icinga/pending-migration.less

@@ -72,6 +72,10 @@
     }
   }
 
+  .item-list:not(.file-list) .list-item footer {
+    display: inline-block;
+  }
+
   .list-item {
     align-items: baseline;
 
@@ -100,19 +104,15 @@
 
       i.icon {
         position: absolute;
-        margin-top: .5em;
+        margin-top: .3em;
         margin-left: .5em;
       }
 
-      .caption {
+      .caption, header {
         margin-left: 1.8em;
       }
     }
 
-    &.minimal footer {
-      display: inline-block;
-    }
-
     footer {
       width: 100%;
       padding-top: 0;