Class: Wad::Target

Inherits:
Object
  • Object
show all
Defined in:
lib/wad/target.rb

Overview

A target directory that will gem files through #copy. Also keeps track of what files have already been written.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, postfix, reporter) ⇒ Target

Returns a new instance of Target.



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# File 'lib/wad/target.rb', line 16

def initialize path, postfix, reporter
  @postfix = postfix
  @path = path.join(postfix)
  @existing = {}
  @old_source = {}
  @reporter = reporter

  FileUtils.mkdir_p(path)
end

Instance Attribute Details

#existing ⇒ Object (readonly)

Returns the value of attribute existing.



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# File 'lib/wad/target.rb', line 11

def existing
  @existing
end

#old_source ⇒ Object (readonly)

Returns the value of attribute old_source.



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# File 'lib/wad/target.rb', line 12

def old_source
  @old_source
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/wad/target.rb', line 8

def path
  @path
end

#postfix ⇒ Object (readonly)

Returns the value of attribute postfix.



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# File 'lib/wad/target.rb', line 9

def postfix
  @postfix
end

#reporter ⇒ Object (readonly)

Returns the value of attribute reporter.



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# File 'lib/wad/target.rb', line 14

def reporter
  @reporter
end

Instance Method Details

#copy(gem_file) ⇒ Object 



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# File 'lib/wad/target.rb', line 30

def copy gem_file
  key = gem_file.to.to_s
  gem_name = gem_file.gem_name

  # Try to detect multiple copies of one and the same gem file.
  if existing.has_key?(key) && existing[key] != gem_name
    name = existing[key]
    old_path = old_source[key]

    raise "Cannot copy #{gem_file.path} from #{gem_name}, already exists from #{name} (@#{old_path.to_s})."
  else
    existing[key] = gem_name
    old_source[key] = gem_file.path

    reporter.report_copy_file(gem_file, path)

    dest = path.join(gem_file.to)
    FileUtils.mkdir_p(dest.dirname)
    FileUtils.cp(gem_file.path, dest) unless dest.file?
  end
end

#to_s ⇒ Object 



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# File 'lib/wad/target.rb', line 26

def to_s
  postfix
end