From 0fd2d8619915a735638ee5484c5a670a7b79f724 Mon Sep 17 00:00:00 2001
From: Angel Fernando Quiroz Campos <angelfqc.18@gmail.com>
Date: Sat, 13 Apr 2019 12:39:59 -0500
Subject: [PATCH] [TwigBridge] bootstrap4 file_widget: allow setting label
 attributes declared in label_attr

---
 .../Twig/Resources/views/Form/bootstrap_4_layout.html.twig     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig
index 03109bdf6cac2..1848d0dc9838c 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig
@@ -122,7 +122,8 @@
     <{{ element|default('div') }} class="custom-file">
         {%- set type = type|default('file') -%}
         {{- block('form_widget_simple') -}}
-        <label for="{{ form.vars.id }}" class="custom-file-label">
+        {%- set label_attr = label_attr|merge({ class: (label_attr.class|default('') ~ ' custom-file-label')|trim }) -%}
+        <label for="{{ form.vars.id }}" {% with { attr: label_attr } %}{{ block('attributes') }}{% endwith %}>
             {%- if attr.placeholder is defined -%}
                 {{- translation_domain is same as(false) ? attr.placeholder : attr.placeholder|trans({}, translation_domain) -}}
             {%- endif -%}