Sha256: 81a061877bc00a292ea5772f75343724f602295a66731b0d493e6e890f92c275
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Versions: 41
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Contents
# frozen_string_literal: true
require 'eac_ruby_utils/simple_cache'
module EacRubyUtils
module Envs
class Executable
include ::EacRubyUtils::SimpleCache
attr_reader :env, :name, :check_args
def initialize(env, name, *check_args)
@env = env
@name = name
@check_args = check_args
end
def exist?
exist
end
def validate
return nil if exist?
"Program \"#{::Shellwords.join(executable_args)}\" not found in environment #{env}"
end
def validate!
message = validate
raise ProgramNotFoundError, message if message
end
def command(*command_args)
validate!
env.command(*executable_args, *command_args)
end
def executable_args
executable_args_from_envvar || [name]
end
def executable_args_envvar
"#{name}_command".variableize.upcase
end
def executable_args_from_envvar
ENV[executable_args_envvar].if_present { |v| ::Shellwords.split(v) }
end
private
def exist_uncached
env.command(*executable_args, *check_args).execute!
true
rescue Errno::ENOENT
false
end
class ProgramNotFoundError < ::StandardError; end
end
end
end
Version data entries
41 entries across 41 versions & 3 rubygems