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Contents
# Copyright:: (c) Autotelik Media Ltd 2011
# Author :: Tom Statter
# Date :: Aug 2011
# License:: MIT
#
#
module RakeUtils
# Method to check arguments from a rake task and display help if required
#
# Expects a block which prints out the usage information
#
# task_args is expected to be of type Rake::TaskArguments
#
# NOTES: TaskArgs - bit of a weird class, has internal hash but also looks up on ENV
# So if ENV[:filter] defined, args[:filter] would return the value,
# but it would not show up in args.inspect or args.to_s or args.to_hash
#
def self.check_args( task_args, required = [] )
# Tasks that call other tasks may wish to switch off displaying help for those sub tasks
if( block_given? )
yield unless task_args && required
# Does task_args contain keys for ALL required items
if(task_args[:help] || ENV['help'])
yield
exit(-1)
end
required.each do |r|
unless(task_args.send(r))# || task_args[r.to_sym])
puts "ERROR: Missing mandatory Param [#{r}]"
yield
exit(-1)
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems