Append in place for strings and arrays

5 files changed, 11 insertions, 8 deletions

diff --git a/app/helpers/commits_helper.rb b/app/helpers/commits_helper.rb
index 36adeadd8a5..cf279823986 100644
--- a/app/helpers/commits_helper.rb
+++ b/app/helpers/commits_helper.rb
@@ -44,7 +44,7 @@ module CommitsHelper
       parts = @path.split('/')
 
       parts.each_with_index do |part, i|
-        crumbs += content_tag(:li) do
+        crumbs << content_tag(:li) do
           # The text is just the individual part, but the link needs all the parts before it
           link_to part, project_commits_path(@project, tree_join(@ref, parts[0..i].join('/')))
         end
diff --git a/app/helpers/graph_helper.rb b/app/helpers/graph_helper.rb
index 7cb1b6f8d1a..e1dda20de85 100644
--- a/app/helpers/graph_helper.rb
+++ b/app/helpers/graph_helper.rb
@@ -1,10 +1,10 @@
 module GraphHelper
   def get_refs(repo, commit)
     refs = ""
-    refs += commit.ref_names(repo).join(" ")
+    refs << commit.ref_names(repo).join(' ')
 
     # append note count
-    refs += "[#{@graph.notes[commit.id]}]" if @graph.notes[commit.id] > 0
+    refs << "[#{@graph.notes[commit.id]}]" if @graph.notes[commit.id] > 0
 
     refs
   end
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index e489d431e84..f7e01f90717 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -86,7 +86,7 @@ module ProjectsHelper
 
   def link_to_toggle_star(title, starred, signed_in)
     cls = 'star-btn'
-    cls += ' disabled' unless signed_in
+    cls << ' disabled' unless signed_in
 
     toggle_html = content_tag('span', class: 'toggle') do
       toggle_text = if starred
diff --git a/app/helpers/tags_helper.rb b/app/helpers/tags_helper.rb
index ef89bb32c6d..fb85544df2d 100644
--- a/app/helpers/tags_helper.rb
+++ b/app/helpers/tags_helper.rb
@@ -6,7 +6,7 @@ module TagsHelper
   def tag_list(project)
     html = ''
     project.tag_list.each do |tag|
-      html += link_to tag, tag_path(tag)
+      html << link_to(tag, tag_path(tag))
     end
 
     html.html_safe
diff --git a/app/helpers/tree_helper.rb b/app/helpers/tree_helper.rb
index e32aeba5f8f..8693acad994 100644
--- a/app/helpers/tree_helper.rb
+++ b/app/helpers/tree_helper.rb
@@ -10,13 +10,16 @@ module TreeHelper
     tree = ""
 
     # Render folders if we have any
-    tree += render partial: 'projects/tree/tree_item', collection: folders, locals: {type: 'folder'} if folders.present?
+    tree << render(partial: 'projects/tree/tree_item', collection: folders,
+                   locals: { type: 'folder' }) if folders.present?
 
     # Render files if we have any
-    tree += render partial: 'projects/tree/blob_item', collection: files, locals: {type: 'file'} if files.present?
+    tree << render(partial: 'projects/tree/blob_item', collection: files,
+                   locals: { type: 'file' }) if files.present?
 
     # Render submodules if we have any
-    tree += render partial: 'projects/tree/submodule_item', collection: submodules if submodules.present?
+    tree << render(partial: 'projects/tree/submodule_item',
+                   collection: submodules) if submodules.present?
 
     tree.html_safe
   end