54 lines
1.7 KiB
Ruby
54 lines
1.7 KiB
Ruby
#
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# Author:: Seth Chisamore (<schisamo@chef.io>)
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# Cookbook:: windows
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# Library:: helper
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#
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# Copyright:: 2011-2017, Chef Software, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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require 'chef/mixin/shell_out'
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module Powershell
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module Helper
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include Chef::Mixin::ShellOut
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def powershell_installed?
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!powershell_version.nil?
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end
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def interpreter
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# force 64-bit powershell from 32-bit ruby process
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if ::File.exist?("#{ENV['WINDIR']}\\sysnative\\WindowsPowershell\\v1.0\\powershell.exe")
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"#{ENV['WINDIR']}\\sysnative\\WindowsPowershell\\v1.0\\powershell.exe"
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elsif ::File.exist?("#{ENV['WINDIR']}\\system32\\WindowsPowershell\\v1.0\\powershell.exe")
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"#{ENV['WINDIR']}\\system32\\WindowsPowershell\\v1.0\\powershell.exe"
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else
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'powershell.exe'
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end
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end
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def powershell_version
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cmd = shell_out("#{interpreter} -InputFormat none -Command \"& echo $PSVersionTable.psversion.major\"")
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if cmd.stdout.empty? # PowerShell 1.0 doesn't have a $PSVersionTable
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1
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else
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Regexp.last_match(1).to_i if cmd.stdout =~ /^(\d+)/
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end
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rescue Errno::ENOENT
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nil
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end
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end
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end
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