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-rw-r--r--app/lib/activitypub/case_transform.rb2
-rw-r--r--app/lib/validation_error_formatter.rb2
-rw-r--r--app/services/backup_service.rb10
-rw-r--r--app/services/fetch_link_card_service.rb2
4 files changed, 8 insertions, 8 deletions
diff --git a/app/lib/activitypub/case_transform.rb b/app/lib/activitypub/case_transform.rb
index 7f716f862..d36e01b8f 100644
--- a/app/lib/activitypub/case_transform.rb
+++ b/app/lib/activitypub/case_transform.rb
@@ -13,7 +13,7 @@ module ActivityPub::CaseTransform
       when Symbol then camel_lower(value.to_s).to_sym
       when String
         camel_lower_cache[value] ||= if value.start_with?('_:')
-                                       '_:' + value.gsub(/\A_:/, '').underscore.camelize(:lower)
+                                       "_:#{value.gsub(/\A_:/, '').underscore.camelize(:lower)}"
                                      else
                                        value.underscore.camelize(:lower)
                                      end
diff --git a/app/lib/validation_error_formatter.rb b/app/lib/validation_error_formatter.rb
index 3f964f739..1d3e8955b 100644
--- a/app/lib/validation_error_formatter.rb
+++ b/app/lib/validation_error_formatter.rb
@@ -19,7 +19,7 @@ class ValidationErrorFormatter
       messages = errors.messages[attribute_name]
 
       h[@aliases[attribute_name] || attribute_name] = attribute_errors.map.with_index do |error, index|
-        { error: 'ERR_' + error[:error].to_s.upcase, description: messages[index] }
+        { error: "ERR_#{error[:error].to_s.upcase}", description: messages[index] }
       end
     end
 
diff --git a/app/services/backup_service.rb b/app/services/backup_service.rb
index b880dfbe7..5498cdd45 100644
--- a/app/services/backup_service.rb
+++ b/app/services/backup_service.rb
@@ -53,7 +53,7 @@ class BackupService < BaseService
       end
     end
 
-    archive_filename = ['archive', Time.now.utc.strftime('%Y%m%d%H%M%S'), SecureRandom.hex(16)].join('-') + '.tar.gz'
+    archive_filename = "#{['archive', Time.now.utc.strftime('%Y%m%d%H%M%S'), SecureRandom.hex(16)].join('-')}.tar.gz"
 
     @backup.dump      = ActionDispatch::Http::UploadedFile.new(tempfile: tmp_file, filename: archive_filename)
     @backup.processed = true
@@ -86,14 +86,14 @@ class BackupService < BaseService
   def dump_actor!(tar)
     actor = serialize(account, ActivityPub::ActorSerializer)
 
-    actor[:icon][:url]  = 'avatar' + File.extname(actor[:icon][:url])  if actor[:icon]
-    actor[:image][:url] = 'header' + File.extname(actor[:image][:url]) if actor[:image]
+    actor[:icon][:url]  = "avatar#{File.extname(actor[:icon][:url])}"  if actor[:icon]
+    actor[:image][:url] = "header#{File.extname(actor[:image][:url])}" if actor[:image]
     actor[:outbox]      = 'outbox.json'
     actor[:likes]       = 'likes.json'
     actor[:bookmarks]   = 'bookmarks.json'
 
-    download_to_tar(tar, account.avatar, 'avatar' + File.extname(account.avatar.path)) if account.avatar.exists?
-    download_to_tar(tar, account.header, 'header' + File.extname(account.header.path)) if account.header.exists?
+    download_to_tar(tar, account.avatar, "avatar#{File.extname(account.avatar.path)}") if account.avatar.exists?
+    download_to_tar(tar, account.header, "header#{File.extname(account.header.path)}") if account.header.exists?
 
     json = Oj.dump(actor)
 
diff --git a/app/services/fetch_link_card_service.rb b/app/services/fetch_link_card_service.rb
index d5fa9af54..8d07958b7 100644
--- a/app/services/fetch_link_card_service.rb
+++ b/app/services/fetch_link_card_service.rb
@@ -45,7 +45,7 @@ class FetchLinkCardService < BaseService
   def html
     return @html if defined?(@html)
 
-    Request.new(:get, @url).add_headers('Accept' => 'text/html', 'User-Agent' => Mastodon::Version.user_agent + ' Bot').perform do |res|
+    Request.new(:get, @url).add_headers('Accept' => 'text/html', 'User-Agent' => "#{Mastodon::Version.user_agent} Bot").perform do |res|
       # We follow redirects, and ideally we want to save the preview card for
       # the destination URL and not any link shortener in-between, so here
       # we set the URL to the one of the last response in the redirect chain