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#
# Copyright:: Copyright 2018-2018, Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef-helpers/internal'
require 'chef-helpers/which'
module ChefHelpers
module Which
extend self
def which(*cmds, extra_path: nil, &block)
where(*cmds, extra_path: extra_path, &block).first || false
end
def where(*cmds, extra_path: nil, &block)
extra_path ||= PathSanity.sanitized_path
paths = Internal.env_path.split(::File::PATH_SEPARATOR) + Array(extra_path)
cmds.map do |cmd|
paths.map do |path|
filename = ::File.join(path, cmd)
filename if Which.valid_executable?(filename, &block)
end.compact
end.flatten
end
class << self
def valid_executable?(filename, &block)
return false unless ::File.executable?(filename) && !::File.directory?(filename)
block ? yield(filename) : true
end
end
end
end
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