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49 lines
1.3 KiB
Ruby
49 lines
1.3 KiB
Ruby
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#
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# Cookbook Name:: apt
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# Library:: helpers
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#
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# Copyright 2013 Opscode, 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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module Apt
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# Helpers for apt
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module Helpers
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# Determines if apt is installed on a system.
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#
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# @return [Boolean]
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def apt_installed?
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!which('apt-get').nil?
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end
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# Finds a command in $PATH
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#
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# @return [String, nil]
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def which(cmd)
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paths = (ENV['PATH'].split(::File::PATH_SEPARATOR) + %w(/bin /usr/bin /sbin /usr/sbin))
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paths.each do |path|
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possible = File.join(path, cmd)
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return possible if File.executable?(possible)
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end
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nil
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end
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end
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end
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Chef::Recipe.send(:include, ::Apt::Helpers)
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Chef::Resource.send(:include, ::Apt::Helpers)
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Chef::Provider.send(:include, ::Apt::Helpers)
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