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# -*- encoding: utf-8 -*-
require 'set'
require 'albacore/config_dsl'
module Albacore
# Use on **configuration** objects that are command-oriented.
#
# a mixin that adds a couple of field writers and readers.
# specifically, allows the configuration to have a work_dir and exe field
# and defined a method that joins paths relative to the work_dir
module CmdConfig
include Logging
self.extend ConfigDSL
# TODO: move towards opts for all task types rather than
# reading these public properties.
# the working directory for this command
attr_path_accessor :work_dir
# TODO: move towards opts for all task types rather than
# reading these public properties.
# field field denoting the path of the executable that should be on the path
# specified in the work_dir parameter.
attr_path_accessor :exe
# TODO: move towards opts for all task types rather than
# reading these public properties.
# returns a Set with parameters
def parameters
@parameters ||= Set.new
end
# add a parameter to the list of parameters to pass to the executable
def add_parameter param
parameters.add param
end
# helper method that joins the path segments with
# respect to the work_dir.
private
def join *segments
segments ||= []
segments.unshift work_dir
File.join segments
end
# helper method that changes directory to the work directory
# and then yields to the block
def in_work_dir
unless @work_dir.nil?
Dir.chdir @work_dir do
trace "in work dir '#{@work_dir}'"
yield
end
else
trace "not in work dir, because it is nil."
yield
end
end
end
end
Version data entries
39 entries across 39 versions & 1 rubygems