extract partial for the signature badge user

app/views/projects/commit/_signature_badge_user.html.haml

+- gpg_key = signature.gpg_key
+- user = gpg_key&.user
+- user_name = signature.gpg_key_user_name
+- user_email = signature.gpg_key_user_email
+
+- if user
+  = link_to user_path(user), class: 'gpg-popover-user-link' do
+    %div
+      = user_avatar_without_link(user: user, size: 32)
+
+    %div
+      %strong= user.name
+      %div @#{user.username}
+- else
+  = mail_to user_email do
+    %div
+      = user_avatar_without_link(user_name: user_name, user_email: user_email, size: 32)
+
+    %div
+      %strong= user_name
+      %div= user_email

app/views/projects/commit/_valid_signature_badge.html.haml

@@ -5,27 +5,7 @@
     This commit was signed with a <strong>verified</strong> signature.
 
 - content = capture do
-  - gpg_key = signature.gpg_key
-  - user = gpg_key&.user
-  - user_name = signature.gpg_key_user_name
-  - user_email = signature.gpg_key_user_email
-
-  - if user
-    = link_to user_path(user), class: 'gpg-popover-user-link' do
-      %div
-        = user_avatar_without_link(user: user, size: 32)
-
-      %div
-        %strong= gpg_key.user.name
-        %div @#{gpg_key.user.username}
-  - else
-    = mail_to user_email do
-      %div
-        = user_avatar_without_link(user_name: user_name, user_email: user_email, size: 32)
-
-      %div
-        %strong= user_name
-        %div= user_email
+  = render partial: 'projects/commit/signature_badge_user', locals: { signature: signature }
 
 - locals = { signature: signature, title: title, content: content, label: 'Verified', css_classes: ['valid'] }