From a5f91a11d07db93526597131100c919f21a5dd78 Mon Sep 17 00:00:00 2001
From: Claire <claire.github-309c@sitedethib.com>
Date: Fri, 7 May 2021 15:56:45 +0200
Subject: [PATCH] Fix older migrations on Ruby 3 (#16174)

---
 config/application.rb              |  1 +
 lib/mastodon/migration_helpers.rb  | 16 ++++++-------
 lib/paperclip/schema_extensions.rb | 37 ++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 8 deletions(-)
 create mode 100644 lib/paperclip/schema_extensions.rb

diff --git a/config/application.rb b/config/application.rb
index 08a4e4c97..8200a2fcf 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -10,6 +10,7 @@ require_relative '../lib/exceptions'
 require_relative '../lib/enumerable'
 require_relative '../lib/sanitize_ext/sanitize_config'
 require_relative '../lib/redis/namespace_extensions'
+require_relative '../lib/paperclip/schema_extensions'
 require_relative '../lib/paperclip/validation_extensions'
 require_relative '../lib/paperclip/url_generator_extensions'
 require_relative '../lib/paperclip/attachment_extensions'
diff --git a/lib/mastodon/migration_helpers.rb b/lib/mastodon/migration_helpers.rb
index 147642a1c..521d903bf 100644
--- a/lib/mastodon/migration_helpers.rb
+++ b/lib/mastodon/migration_helpers.rb
@@ -95,7 +95,7 @@ module Mastodon
             allow_null: options[:null]
           )
         else
-          add_column(table_name, column_name, :datetime_with_timezone, options)
+          add_column(table_name, column_name, :datetime_with_timezone, **options)
         end
       end
     end
@@ -120,7 +120,7 @@ module Mastodon
       options = options.merge({ algorithm: :concurrently })
       disable_statement_timeout
 
-      add_index(table_name, column_name, options)
+      add_index(table_name, column_name, **options)
     end
 
     # Removes an existed index, concurrently when supported
@@ -144,7 +144,7 @@ module Mastodon
         disable_statement_timeout
       end
 
-      remove_index(table_name, options.merge({ column: column_name }))
+      remove_index(table_name, **options.merge({ column: column_name }))
     end
 
     # Removes an existing index, concurrently when supported
@@ -168,7 +168,7 @@ module Mastodon
         disable_statement_timeout
       end
 
-      remove_index(table_name, options.merge({ name: index_name }))
+      remove_index(table_name, **options.merge({ name: index_name }))
     end
 
     # Only available on Postgresql >= 9.2
@@ -472,7 +472,7 @@ module Mastodon
         col_opts[:limit] = old_col.limit
       end
 
-      add_column(table, new, new_type, col_opts)
+      add_column(table, new, new_type, **col_opts)
 
       # We set the default value _after_ adding the column so we don't end up
       # updating any existing data with the default value. This isn't
@@ -510,10 +510,10 @@ module Mastodon
         new_pk_index_name = "index_#{table}_on_#{column}_cm"
 
         unless indexes_for(table, column).find{|i| i.name == old_pk_index_name}
-          add_concurrent_index(table, [temp_column], {
+          add_concurrent_index(table, [temp_column],
             unique: true,
             name: new_pk_index_name
-          })
+          )
         end
       end
     end
@@ -763,7 +763,7 @@ module Mastodon
         options[:using] = index.using if index.using
         options[:where] = index.where if index.where
 
-        add_concurrent_index(table, new_columns, options)
+        add_concurrent_index(table, new_columns, **options)
       end
     end
 
diff --git a/lib/paperclip/schema_extensions.rb b/lib/paperclip/schema_extensions.rb
new file mode 100644
index 000000000..8d065676a
--- /dev/null
+++ b/lib/paperclip/schema_extensions.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+# Monkey-patch various Paperclip methods for Ruby 3.0 compatibility
+
+module Paperclip
+  module Schema
+    module StatementsExtensions
+      def add_attachment(table_name, *attachment_names)
+        raise ArgumentError, 'Please specify attachment name in your add_attachment call in your migration.' if attachment_names.empty?
+
+        options = attachment_names.extract_options!
+
+        attachment_names.each do |attachment_name|
+          COLUMNS.each_pair do |column_name, column_type|
+            column_options = options.merge(options[column_name.to_sym] || {})
+            add_column(table_name, "#{attachment_name}_#{column_name}", column_type, **column_options)
+          end
+        end
+      end
+    end
+
+    module TableDefinitionExtensions
+      def attachment(*attachment_names)
+        options = attachment_names.extract_options!
+        attachment_names.each do |attachment_name|
+          COLUMNS.each_pair do |column_name, column_type|
+            column_options = options.merge(options[column_name.to_sym] || {})
+            column("#{attachment_name}_#{column_name}", column_type, **column_options)
+          end
+        end
+      end
+    end
+  end
+end
+
+Paperclip::Schema::Statements.prepend(Paperclip::Schema::StatementsExtensions)
+Paperclip::Schema::TableDefinition.prepend(Paperclip::Schema::TableDefinitionExtensions)