Class: Wip::BuildContext

Inherits:
Object
  • Object
show all
Defined in:
lib/wip/build_context.rb

Overview

Stages a build context into a scratch directory with anything matched by .dockerignore left out, since wslc build (unlike docker build) sends the context as-is instead of filtering it itself.

Instance Method Summary collapse

Constructor Details

#initialize(context, ignore: nil) ⇒ BuildContext

Returns a new instance of BuildContext.



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# File 'lib/wip/build_context.rb', line 12

def initialize(context, ignore: nil)
  @root = Pathname(context).expand_path
  @ignore = ignore || DockerIgnore.load(@root.join('.dockerignore'))
end

Instance Method Details

#stage(on_progress: nil) ⇒ Object

on_progress fires before copying and after each file, as |count, total|, so a caller can report elapsed progress even while copying one large file.



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# File 'lib/wip/build_context.rb', line 19

def stage(on_progress: nil)
  return yield @root.to_s if @ignore.empty?

  Dir.mktmpdir('wip-build-context-') do |dir|
    copy_included_files(Pathname(dir), on_progress)
    yield dir
  end
end