7 files changed, 0 insertions, 395 deletions
diff --git a/lib/logger/errors.rb b/lib/logger/errors.rb
deleted file mode 100644
index 88581793f0..0000000000
--- a/lib/logger/errors.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-# frozen_string_literal: true
-
-class Logger
-  # not used after 1.2.7. just for compat.
-  class Error < RuntimeError # :nodoc:
-  end
-  class ShiftingError < Error # :nodoc:
-  end
-end
diff --git a/lib/logger/formatter.rb b/lib/logger/formatter.rb
deleted file mode 100644
index c634dbf34d..0000000000
--- a/lib/logger/formatter.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-# frozen_string_literal: true
-
-class Logger
-  # Default formatter for log messages.
-  class Formatter
-    Format = "%.1s, [%s #%d] %5s -- %s: %s\n"
-    DatetimeFormat = "%Y-%m-%dT%H:%M:%S.%6N"
-
-    attr_accessor :datetime_format
-
-    def initialize
-      @datetime_format = nil
-    end
-
-    def call(severity, time, progname, msg)
-      sprintf(Format, severity, format_datetime(time), Process.pid, severity, progname, msg2str(msg))
-    end
-
-  private
-
-    def format_datetime(time)
-      time.strftime(@datetime_format || DatetimeFormat)
-    end
-
-    def msg2str(msg)
-      case msg
-      when ::String
-        msg
-      when ::Exception
-        "#{ msg.message } (#{ msg.class })\n#{ msg.backtrace.join("\n") if msg.backtrace }"
-      else
-        msg.inspect
-      end
-    end
-  end
-end
diff --git a/lib/logger/log_device.rb b/lib/logger/log_device.rb
deleted file mode 100644
index b5b739065d..0000000000
--- a/lib/logger/log_device.rb
+++ /dev/null
@@ -1,236 +0,0 @@
-# frozen_string_literal: true
-
-require_relative 'period'
-
-class Logger
-  # Device used for logging messages.
-  class LogDevice
-    include Period
-
-    attr_reader :dev
-    attr_reader :filename
-    include MonitorMixin
-
-    def initialize(log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil, binmode: false, reraise_write_errors: [])
-      @dev = @filename = @shift_age = @shift_size = @shift_period_suffix = nil
-      @binmode = binmode
-      @reraise_write_errors = reraise_write_errors
-      mon_initialize
-      set_dev(log)
-      if @filename
-        @shift_age = shift_age || 7
-        @shift_size = shift_size || 1048576
-        @shift_period_suffix = shift_period_suffix || '%Y%m%d'
-
-        unless @shift_age.is_a?(Integer)
-          base_time = @dev.respond_to?(:stat) ? @dev.stat.mtime : Time.now
-          @next_rotate_time = next_rotate_time(base_time, @shift_age)
-        end
-      end
-    end
-
-    def write(message)
-      handle_write_errors("writing") do
-        synchronize do
-          if @shift_age and @dev.respond_to?(:stat)
-            handle_write_errors("shifting") {check_shift_log}
-          end
-          handle_write_errors("writing") {@dev.write(message)}
-        end
-      end
-    end
-
-    def close
-      begin
-        synchronize do
-          @dev.close rescue nil
-        end
-      rescue Exception
-        @dev.close rescue nil
-      end
-    end
-
-    def reopen(log = nil)
-      # reopen the same filename if no argument, do nothing for IO
-      log ||= @filename if @filename
-      if log
-        synchronize do
-          if @filename and @dev
-            @dev.close rescue nil # close only file opened by Logger
-            @filename = nil
-          end
-          set_dev(log)
-        end
-      end
-      self
-    end
-
-  private
-
-    # :stopdoc:
-
-    MODE = File::WRONLY | File::APPEND
-    MODE_TO_OPEN = MODE | File::SHARE_DELETE | File::BINARY
-    MODE_TO_CREATE = MODE_TO_OPEN | File::CREAT | File::EXCL
-
-    def set_dev(log)
-      if log.respond_to?(:write) and log.respond_to?(:close)
-        @dev = log
-        if log.respond_to?(:path) and path = log.path
-          if File.exist?(path)
-            @filename = path
-          end
-        end
-      else
-        @dev = open_logfile(log)
-        @filename = log
-      end
-    end
-
-    if MODE_TO_OPEN == MODE
-      def fixup_mode(dev, filename)
-        dev
-      end
-    else
-      def fixup_mode(dev, filename)
-        return dev if @binmode
-        dev.autoclose = false
-        old_dev = dev
-        dev = File.new(dev.fileno, mode: MODE, path: filename)
-        old_dev.close
-        PathAttr.set_path(dev, filename) if defined?(PathAttr)
-        dev
-      end
-    end
-
-    def open_logfile(filename)
-      begin
-        dev = File.open(filename, MODE_TO_OPEN)
-      rescue Errno::ENOENT
-        create_logfile(filename)
-      else
-        dev = fixup_mode(dev, filename)
-        dev.sync = true
-        dev.binmode if @binmode
-        dev
-      end
-    end
-
-    def create_logfile(filename)
-      begin
-        logdev = File.open(filename, MODE_TO_CREATE)
-        logdev.flock(File::LOCK_EX)
-        logdev = fixup_mode(logdev, filename)
-        logdev.sync = true
-        logdev.binmode if @binmode
-        add_log_header(logdev)
-        logdev.flock(File::LOCK_UN)
-        logdev
-      rescue Errno::EEXIST
-        # file is created by another process
-        open_logfile(filename)
-      end
-    end
-
-    def handle_write_errors(mesg)
-      yield
-    rescue *@reraise_write_errors
-      raise
-    rescue
-      warn("log #{mesg} failed. #{$!}")
-    end
-
-    def add_log_header(file)
-      file.write(
-        "# Logfile created on %s by %s\n" % [Time.now.to_s, Logger::ProgName]
-      ) if file.size == 0
-    end
-
-    def check_shift_log
-      if @shift_age.is_a?(Integer)
-        # Note: always returns false if '0'.
-        if @filename && (@shift_age > 0) && (@dev.stat.size > @shift_size)
-          lock_shift_log { shift_log_age }
-        end
-      else
-        now = Time.now
-        if now >= @next_rotate_time
-          @next_rotate_time = next_rotate_time(now, @shift_age)
-          lock_shift_log { shift_log_period(previous_period_end(now, @shift_age)) }
-        end
-      end
-    end
-
-    def lock_shift_log
-      retry_limit = 8
-      retry_sleep = 0.1
-      begin
-        File.open(@filename, MODE_TO_OPEN) do |lock|
-          lock.flock(File::LOCK_EX) # inter-process locking. will be unlocked at closing file
-          if File.identical?(@filename, lock) and File.identical?(lock, @dev)
-            yield # log shifting
-          else
-            # log shifted by another process (i-node before locking and i-node after locking are different)
-            @dev.close rescue nil
-            @dev = open_logfile(@filename)
-          end
-        end
-      rescue Errno::ENOENT
-        # @filename file would not exist right after #rename and before #create_logfile
-        if retry_limit <= 0
-          warn("log rotation inter-process lock failed. #{$!}")
-        else
-          sleep retry_sleep
-          retry_limit -= 1
-          retry_sleep *= 2
-          retry
-        end
-      end
-    rescue
-      warn("log rotation inter-process lock failed. #{$!}")
-    end
-
-    def shift_log_age
-      (@shift_age-3).downto(0) do |i|
-        if FileTest.exist?("#{@filename}.#{i}")
-          File.rename("#{@filename}.#{i}", "#{@filename}.#{i+1}")
-        end
-      end
-      @dev.close rescue nil
-      File.rename("#{@filename}", "#{@filename}.0")
-      @dev = create_logfile(@filename)
-      return true
-    end
-
-    def shift_log_period(period_end)
-      suffix = period_end.strftime(@shift_period_suffix)
-      age_file = "#{@filename}.#{suffix}"
-      if FileTest.exist?(age_file)
-        # try to avoid filename crash caused by Timestamp change.
-        idx = 0
-        # .99 can be overridden; avoid too much file search with 'loop do'
-        while idx < 100
-          idx += 1
-          age_file = "#{@filename}.#{suffix}.#{idx}"
-          break unless FileTest.exist?(age_file)
-        end
-      end
-      @dev.close rescue nil
-      File.rename("#{@filename}", age_file)
-      @dev = create_logfile(@filename)
-      return true
-    end
-  end
-end
-
-File.open(__FILE__) do |f|
-  File.new(f.fileno, autoclose: false, path: "").path
-rescue IOError
-  module PathAttr               # :nodoc:
-    attr_reader :path
-
-    def self.set_path(file, path)
-      file.extend(self).instance_variable_set(:@path, path)
-    end
-  end
-end
diff --git a/lib/logger/logger.gemspec b/lib/logger/logger.gemspec
deleted file mode 100644
index d0b3e194fa..0000000000
--- a/lib/logger/logger.gemspec
+++ /dev/null
@@ -1,24 +0,0 @@
-begin
-  require_relative "lib/logger/version"
-rescue LoadError # Fallback to load version file in ruby core repository
-  require_relative "version"
-end
-
-Gem::Specification.new do |spec|
-  spec.name          = "logger"
-  spec.version       = Logger::VERSION
-  spec.authors       = ["Naotoshi Seo", "SHIBATA Hiroshi"]
-  spec.email         = ["[email protected]", "[email protected]"]
-
-  spec.summary       = %q{Provides a simple logging utility for outputting messages.}
-  spec.description   = %q{Provides a simple logging utility for outputting messages.}
-  spec.homepage      = "https://github.com/ruby/logger"
-  spec.licenses      = ["Ruby", "BSD-2-Clause"]
-
-  spec.files         = Dir.glob("lib/**/*.rb") + ["logger.gemspec", "BSDL", "COPYING"]
-  spec.require_paths = ["lib"]
-
-  spec.required_ruby_version = ">= 2.5.0"
-
-  spec.metadata["changelog_uri"] = spec.homepage + "/releases"
-end
diff --git a/lib/logger/period.rb b/lib/logger/period.rb
deleted file mode 100644
index a0359defe3..0000000000
--- a/lib/logger/period.rb
+++ /dev/null
@@ -1,47 +0,0 @@
-# frozen_string_literal: true
-
-class Logger
-  module Period
-    module_function
-
-    SiD = 24 * 60 * 60
-
-    def next_rotate_time(now, shift_age)
-      case shift_age
-      when 'daily', :daily
-        t = Time.mktime(now.year, now.month, now.mday) + SiD
-      when 'weekly', :weekly
-        t = Time.mktime(now.year, now.month, now.mday) + SiD * (7 - now.wday)
-      when 'monthly', :monthly
-        t = Time.mktime(now.year, now.month, 1) + SiD * 32
-        return Time.mktime(t.year, t.month, 1)
-      when 'now', 'everytime', :now, :everytime
-        return now
-      else
-        raise ArgumentError, "invalid :shift_age #{shift_age.inspect}, should be daily, weekly, monthly, or everytime"
-      end
-      if t.hour.nonzero? or t.min.nonzero? or t.sec.nonzero?
-        hour = t.hour
-        t = Time.mktime(t.year, t.month, t.mday)
-        t += SiD if hour > 12
-      end
-      t
-    end
-
-    def previous_period_end(now, shift_age)
-      case shift_age
-      when 'daily', :daily
-        t = Time.mktime(now.year, now.month, now.mday) - SiD / 2
-      when 'weekly', :weekly
-        t = Time.mktime(now.year, now.month, now.mday) - (SiD * now.wday + SiD / 2)
-      when 'monthly', :monthly
-        t = Time.mktime(now.year, now.month, 1) - SiD / 2
-      when 'now', 'everytime', :now, :everytime
-        return now
-      else
-        raise ArgumentError, "invalid :shift_age #{shift_age.inspect}, should be daily, weekly, monthly, or everytime"
-      end
-      Time.mktime(t.year, t.month, t.mday, 23, 59, 59)
-    end
-  end
-end
diff --git a/lib/logger/severity.rb b/lib/logger/severity.rb
deleted file mode 100644
index e96fb0d320..0000000000
--- a/lib/logger/severity.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-# frozen_string_literal: true
-
-class Logger
-  # Logging severity.
-  module Severity
-    # Low-level information, mostly for developers.
-    DEBUG = 0
-    # Generic (useful) information about system operation.
-    INFO = 1
-    # A warning.
-    WARN = 2
-    # A handleable error condition.
-    ERROR = 3
-    # An unhandleable error that results in a program crash.
-    FATAL = 4
-    # An unknown message that should always be logged.
-    UNKNOWN = 5
-
-    LEVELS = {
-      "debug" => DEBUG,
-      "info" => INFO,
-      "warn" => WARN,
-      "error" => ERROR,
-      "fatal" => FATAL,
-      "unknown" => UNKNOWN,
-    }
-    private_constant :LEVELS
-
-    def self.coerce(severity)
-      if severity.is_a?(Integer)
-        severity
-      else
-        key = severity.to_s.downcase
-        LEVELS[key] || raise(ArgumentError, "invalid log level: #{severity}")
-      end
-    end
-  end
-end
diff --git a/lib/logger/version.rb b/lib/logger/version.rb
deleted file mode 100644
index e1e6b974ff..0000000000
--- a/lib/logger/version.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-# frozen_string_literal: true
-
-class Logger
-  VERSION = "1.6.4"
-end