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# frozen_string_literal: true
require 'active_support/core_ext/object/blank'
require 'active_support/values/time_zone'
module EacRubyUtils
module LocalTimeZone
DEBIAN_CONFIG_PATH = '/etc/timezone'
class << self
TIMEDATECTL_TIMEZONE_LINE_PATTERN = %r{\s*Time zone:\s*(\S+/\S+)\s}.freeze
# @return [ActiveSupport::TimeZone]
def auto
%w[tz_env debian_config offset].lazy.map { |s| send("by_#{s}") }.find(&:present?)
end
def auto_set
::Time.zone = auto
end
# @return [ActiveSupport::TimeZone]
def by_debian_config
path = ::Pathname.new(DEBIAN_CONFIG_PATH)
path.exist? ? path.read.strip.if_present { |v| ::ActiveSupport::TimeZone[v] } : nil
end
# @return [ActiveSupport::TimeZone]
def by_offset
::ActiveSupport::TimeZone[::Time.now.getlocal.gmt_offset]
end
# @return [ActiveSupport::TimeZone]
def by_timedatectl
executable = ::EacRubyUtils::Envs.local.executable('timedatectl', '--version')
return nil unless executable.exist?
TIMEDATECTL_TIMEZONE_LINE_PATTERN.if_match(executable.command.execute!) { |m| m[1] }
.if_present { |v| ::ActiveSupport::TimeZone[v] }
end
# @return [ActiveSupport::TimeZone]
def by_tz_env
ENV['TZ'].presence
end
end
end
end
Version data entries
93 entries across 93 versions & 3 rubygems