rubocop --only Layout/IndentationWidth --autocorrect

app/controllers/messages_controller.rb

@@ -40,8 +40,8 @@ def search(query)
     # %> and <-> are defined by pg_trgm.
     # https://www.postgresql.org/docs/17/pgtrgm.html
     message_where = if Rails.env.production?
-      Message.where('body %> ? AND list_id IN (?)', query, list_ids)
-        .order(Arel.sql('body <-> ?', query))
+                      Message.where('body %> ? AND list_id IN (?)', query, list_ids)
+                        .order(Arel.sql('body <-> ?', query))
     else
       Message.where('body LIKE ? AND list_id IN (?)', "%#{query}%", list_ids)
     end

app/helpers/messages_helper.rb

@@ -1,24 +1,24 @@
 module MessagesHelper
-    def without_list_prefix(subject)
-        subject.sub(/^\[.+?\]\s*/, '')
-    end
+  def without_list_prefix(subject)
+    subject.sub(/^\[.+?\]\s*/, '')
+  end
 
-    MARGIN = 50
-    def search_snippet(body, keyword)
-        snippet = ''
+  MARGIN = 50
+  def search_snippet(body, keyword)
+    snippet = ''
 
-        offset = 0
-        while (i = body.index(keyword, offset))
-            start = [i - MARGIN, offset].max
-            len = keyword.length + MARGIN
-            snippet += body[start, len]
-            offset = start + len
-        end
+      offset = 0
+      while (i = body.index(keyword, offset))
+        start = [i - MARGIN, offset].max
+          len = keyword.length + MARGIN
+          snippet += body[start, len]
+          offset = start + len
+      end
 
-        if snippet.empty?
-            return body[0, MARGIN * 2]
-        else
-            snippet
-        end
-    end
+      if snippet.empty?
+        return body[0, MARGIN * 2]
+      else
+        snippet
+      end
+  end
 end

app/models/list.rb

@@ -1,23 +1,23 @@
 class List
-    def initialize(name, id)
-        @name = name
-        @id = id
-    end
-    attr_reader :name, :id
+  def initialize(name, id)
+    @name = name
+      @id = id
+  end
+  attr_reader :name, :id
 
     # Ordered by the established dates. ruby-list was started in 1995.
-    LISTS = [
-        List.new('ruby-list', 1),
-        List.new('ruby-dev', 2),
-        List.new('ruby-core', 3),
-        List.new('ruby-talk', 4),
-    ]
+  LISTS = [
+      List.new('ruby-list', 1),
+      List.new('ruby-dev', 2),
+      List.new('ruby-core', 3),
+      List.new('ruby-talk', 4),
+  ]
 
-    def self.find_by_name(name)
-        LISTS.find { |list| list.name == name }
-    end
+  def self.find_by_name(name)
+    LISTS.find { |list| list.name == name }
+  end
 
-    def self.find_by_id(id)
-        LISTS.find { |list| list.id == id }
-    end
+  def self.find_by_id(id)
+    LISTS.find { |list| list.id == id }
+  end
 end

app/models/message.rb

@@ -8,50 +8,50 @@ class Message < ApplicationRecord
     # but I don't want to make this column.
     # https://blade.ruby-lang.org/ruby-talk/1 is JST.
     # https://blade.ruby-lang.org/ruby-talk/410000 is not.
-    self.skip_time_zone_conversion_for_attributes = [:published_at]
+  self.skip_time_zone_conversion_for_attributes = [:published_at]
 
-    def self.from_s3(list_name, list_seq, s3_client = Aws::S3::Client.new(region: BLADE_BUCKET_REGION))
-        obj = s3_client.get_object(bucket: BLADE_BUCKET_NAME, key: "#{list_name}/#{list_seq}")
+  def self.from_s3(list_name, list_seq, s3_client = Aws::S3::Client.new(region: BLADE_BUCKET_REGION))
+    obj = s3_client.get_object(bucket: BLADE_BUCKET_NAME, key: "#{list_name}/#{list_seq}")
 
-        m = self.from_string(obj.body.read)
-        m.list_id = List.find_by_name(list_name).id
-        m.list_seq = list_seq
-        m
-    end
+      m = self.from_string(obj.body.read)
+      m.list_id = List.find_by_name(list_name).id
+      m.list_seq = list_seq
+      m
+  end
 
-    def self.from_string(str)
-        # There are a few hacks to import messages from blade.ruby-lang.org's
-        # S3 bucket.
+  def self.from_string(str)
+      # There are a few hacks to import messages from blade.ruby-lang.org's
+      # S3 bucket.
 
-        # Need to call String#b. There are messages that have headers in non-UTF8,
-        # but the body is in UTF-8, such as ruby-list:2882.
-        headers_str, body = str.b.split(/\n\n/, 2)
+      # Need to call String#b. There are messages that have headers in non-UTF8,
+      # but the body is in UTF-8, such as ruby-list:2882.
+    headers_str, body = str.b.split(/\n\n/, 2)
 
-        # ruby-list:2840 doesn't have a proper From header.
-        headers_str = Kconv.toutf8(headers_str).gsub(/\r\n/, '')
+      # ruby-list:2840 doesn't have a proper From header.
+      headers_str = Kconv.toutf8(headers_str).gsub(/\r\n/, '')
 
-        headers = headers_str.split(/\n/).map { |line|
-          line.split(/:\s+/, 2)
-        }.to_h
+      headers = headers_str.split(/\n/).map { |line|
+        line.split(/:\s+/, 2)
+      }.to_h
 
-        published_at = DateTime.strptime(headers['Date'], '%Y-%m-%dT%H:%M:%S%:z')
+      published_at = DateTime.strptime(headers['Date'], '%Y-%m-%dT%H:%M:%S%:z')
 
-        self.new(
-            body: Kconv.toutf8(body),
-            subject: headers['Subject'],
-            from: headers['From'],
-            published_at: published_at,
-        )
-    end
+      self.new(
+          body: Kconv.toutf8(body),
+          subject: headers['Subject'],
+          from: headers['From'],
+          published_at: published_at,
+      )
+  end
 
-    def reload_from_s3(s3_client = Aws::S3::Client.new(region: BLADE_BUCKET_REGION))
-        m = Message.from_s3(List.find_by_id(self.list_id).name, self.list_seq, s3_client)
+  def reload_from_s3(s3_client = Aws::S3::Client.new(region: BLADE_BUCKET_REGION))
+    m = Message.from_s3(List.find_by_id(self.list_id).name, self.list_seq, s3_client)
 
-        self.body = m.body
-        self.subject = m.subject
-        self.from = from
-        self.published_at = m.published_at
+      self.body = m.body
+      self.subject = m.subject
+      self.from = from
+      self.published_at = m.published_at
 
-        m
-    end
+      m
+  end
 end

db/migrate/20251010175059_create_active_storage_variant_records.active_storage.rb

@@ -14,14 +14,14 @@ def change
   end
 
   private
-    def primary_key_type
-      config = Rails.configuration.generators
-      config.options[config.orm][:primary_key_type] || :primary_key
-    end
+  def primary_key_type
+    config = Rails.configuration.generators
+    config.options[config.orm][:primary_key_type] || :primary_key
+  end
 
-    def blobs_primary_key_type
-      pkey_name = connection.primary_key(:active_storage_blobs)
-      pkey_column = connection.columns(:active_storage_blobs).find { |c| c.name == pkey_name }
-      pkey_column.bigint? ? :bigint : pkey_column.type
-    end
+  def blobs_primary_key_type
+    pkey_name = connection.primary_key(:active_storage_blobs)
+    pkey_column = connection.columns(:active_storage_blobs).find { |c| c.name == pkey_name }
+    pkey_column.bigint? ? :bigint : pkey_column.type
+  end
 end

import.rb

@@ -2,22 +2,22 @@
 
 params = {}
 OptionParser.new do |opts|
-    opts.on('--list LIST')
+  opts.on('--list LIST')
     opts.on('--from FROM', Integer)
     opts.on('--to TO', Integer)
 end.parse!(into: params)
 
 list = params[:list]
 
 (params[:from]..params[:to]).each do |seq|
-    begin
-        message = Message.from_s3(list, seq)
-        message.save
-    rescue ActiveRecord::RecordNotUnique
-        STDERR.puts("#{list}:#{seq} already exists in Postgres")
-    rescue Aws::S3::Errors::NoSuchKey
-        STDERR.puts("#{list}:#{seq} doesn't exist in S3")
-    rescue StandardError => e
-        STDERR.puts("failed to import #{list}:#{seq}: #{e}")
-    end
+  begin
+    message = Message.from_s3(list, seq)
+    message.save
+rescue ActiveRecord::RecordNotUnique
+  STDERR.puts("#{list}:#{seq} already exists in Postgres")
+rescue Aws::S3::Errors::NoSuchKey
+  STDERR.puts("#{list}:#{seq} doesn't exist in S3")
+rescue StandardError => e
+  STDERR.puts("failed to import #{list}:#{seq}: #{e}")
+  end
 end