Class: ExternalPatch Private

Inherits:
Object show all
Extended by:
Forwardable
Defined in:
patch.rb

Overview

This class is part of a private API. This class may only be used in the Homebrew/brew repository. Third parties should avoid using this class if possible, as it may be removed or changed without warning.

A string containing a patch.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(strip, &block) ⇒ ExternalPatch

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns a new instance of ExternalPatch.



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# File 'patch.rb', line 107

def initialize(strip, &block)
  @strip    = strip
  @resource = Resource::PatchResource.new(&block)
end

Instance Attribute Details

#resource ⇒ Object (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'patch.rb', line 101

def resource
  @resource
end

#strip ⇒ Object (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'patch.rb', line 101

def strip
  @strip
end

Instance Method Details

#apply ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'patch.rb', line 122

def apply
  base_dir = Pathname.pwd
  resource.unpack do
    patch_dir = Pathname.pwd
    if patch_files.empty?
      children = patch_dir.children
      if children.length != 1 || !children.fetch(0).file?
        raise MissingApplyError, <<~EOS
          There should be exactly one patch file in the staging directory unless
          the "apply" method was used one or more times in the patch-do block.
        EOS
      end

      patch_files << children.fetch(0).basename
    end
    dir = base_dir
    dir /= resource.directory if resource.directory.present?
    dir.cd do
      patch_files.each do |patch_file|
        ohai "Applying #{patch_file}"
        patch_file = patch_dir/patch_file
        safe_system "patch", "-g", "0", "-f", "-#{strip}", "-i", patch_file
      end
    end
  end
rescue ErrorDuringExecution => e
  f = resource.owner.owner
  cmd, *args = e.cmd
  raise BuildError.new(f, cmd, args, ENV.to_hash)
end

#external? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


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# File 'patch.rb', line 113

def external?
  true
end

#owner=(owner) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'patch.rb', line 117

def owner=(owner)
  resource.owner = owner
  resource.version(resource.checksum&.hexdigest || ERB::Util.url_encode(resource.url))
end