platform detection fails under hab on windows

[clintoncwolfe]

Version:

train 3.2.2

Environment:

habitat 1.5.x

seen in inspec 4.18.51 and 4.18.95

windows server 2016

Scenario:

Steps to Reproduce:

hab pkg exec chef/inspec/4.18.51 inspec detect

Expected Result:

Like this, but for windows:

 ────────────────────────────── Platform Details ──────────────────────────────

Name:      linux
Families:  linux, unix, os
Release:   unknown
Arch:      x86_64

Actual Result:

Stacktrace:

       20: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/bin/inspec:229:in `<main>'
        19: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/bin/inspec:229:in `load'
        18: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/inspec-bin-4.18.95/bin/inspec:11:in `<top (required)>'
        17: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/inspec-core-4.18.95/lib/inspec/base_cli.rb:35:in `start'
        16: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/thor-0.20.3/lib/thor/base.rb:466:in `start'
        15: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
        14: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
        13: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
        12: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/inspec-core-4.18.95/lib/inspec/cli.rb:306:in `detect'
        11: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/inspec-core-4.18.95/lib/inspec/cli.rb:408:in `run_command'
        10: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/inspec-core-4.18.95/lib/inspec/cli.rb:408:in `new'
         9: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/inspec-core-4.18.95/lib/inspec/runner.rb:78:in `initialize'
         8: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/inspec-core-4.18.95/lib/inspec/runner.rb:86:in `configure_transport'
         7: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/inspec-core-4.18.95/lib/inspec/backend.rb:38:in `create'
         6: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/train-core-3.2.22/lib/train/transports/local.rb:17:in `connection'
         5: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/train-core-3.2.22/lib/train/transports/local.rb:17:in `new'
         4: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/train-core-3.2.22/lib/train/transports/local.rb:27:in `initialize'
         3: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/train-core-3.2.22/lib/train/transports/local.rb:42:in `select_runner'
         2: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/train-core-3.2.22/lib/train/plugins/base_connection.rb:124:in `platform'
         1: from C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/train-core-3.2.22/lib/train/platforms/detect.rb:9:in `scan'
C:/hab/studios/Users--vagrant/hab/pkgs/chef/inspec/4.18.95/20200218180537/vendor/gems/train-core-3.2.22/lib/train/platforms/detect/scanner.rb:41:in `scan': Sorry, we are unable to detect your platform (Train::PlatformDetectionFailed)