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Contents
require 'tty/option'
require_relative '../template/template_writer'
module Dockerun
module Command
class Init
include TTY::Option
include TR::CondUtils
class MultipleTemplateDetected < StandardError; end
usage do
program "dockerun"
command "init"
desc "Initialize a Dockerfile template in given location"
end
argument :location do
required
desc "Location where the Dockerfile template shall be written"
end
def run(&block)
if params[:help]
print help
exit
else
init_dockerfile(&block)
end
end
def init_dockerfile(&block)
loc = "."
loc = params[:location] if not_empty?(params[:location])
loc = File.expand_path(loc)
out = nil
if File.directory?(loc)
out = File.join(loc, "Dockerfile.dockerun")
else
out = File.join(File.dirname(loc), "Dockerfile.dockerun")
end
avail = ::Dockerun::Template::TemplateEngine.available_templates
selTemp = nil
if avail.length > 1
if block
selTemp = block.call(:multiple_templates_detected, avail)
else
raise MultipleTemplateDetected, "Multiple template is available but no selected is given."
end
else
selTemp = avail.first
end
tw = ::Dockerun::Template::TemplateWriter.new(selTemp)
userFields = tw.user_configurables
if block
tw.user_configurables = block.call(:prompt_user_configurables, { template: selTemp, userFields: userFields })
end
res = tw.compile
File.open(out, "w") do |f|
f.write res
end
out
end
end # class Init
end # module Command
end # module Dockerun
Version data entries
12 entries across 12 versions & 1 rubygems