class RuboCop::Cop::Chef::Modernize::NodeInitPackage

Use node to check for systemd instead of reading the contents of ‘/proc/1/comm’

@example

### incorrect
::File.open('/proc/1/comm').gets.chomp == 'systemd'
::File.open('/proc/1/comm').chomp == 'systemd'
File.open('/proc/1/comm').gets.chomp == 'systemd'
File.open('/proc/1/comm').chomp == 'systemd'
IO.read('/proc/1/comm').chomp == 'systemd'
IO.read('/proc/1/comm').gets.chomp == 'systemd'
::IO.read('/proc/1/comm').chomp == 'systemd'
::IO.read('/proc/1/comm').gets.chomp == 'systemd'
File.exist?('/proc/1/comm') && File.open('/proc/1/comm').chomp == 'systemd'
only_if 'test -f /bin/systemctl && /bin/systemctl'

### correct
node['init_package'] == 'systemd'
only_if { node['init_package'] == 'systemd' }