module ElasticAPM::Util

def self.git_sha 

def self.git_sha
  sha = `git rev-parse --verify HEAD 2>&1`.chomp
  $? && $?.success? ? sha : nil # rubocop:disable Style/SpecialGlobalVars
end

def self.hex_to_bits(str) 

def self.hex_to_bits(str)
  str.hex.to_s(2).rjust(str.size * 4, '0')
end

def self.micros(target = Time.now) 

def self.micros(target = Time.now)
  utc = target.utc
  utc.to_i * 1_000_000 + utc.usec
end

def self.nearest_minute(target = Time.now.utc) 

def self.nearest_minute(target = Time.now.utc)
  target - target.to_i % 60
end

def self.reverse_merge!(first, second) 

def self.reverse_merge!(first, second)
  first.merge!(second) { |_, old, _| old }
end