Class: UnpackStrategy::Fossil Private

Inherits:
Object
  • Object
show all
Extended by:
SystemCommand::Mixin, ClassMethods
Includes:
UnpackStrategy
Defined in:
unpack_strategy/fossil.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.

Strategy for unpacking Fossil repositories.

Constant Summary

Constants included from UnpackStrategy

UnpackStrategyType

Instance Attribute Summary

Attributes included from UnpackStrategy

#merge_xattrs, #path

Class Method Summary collapse

Methods included from ClassMethods

can_extract?, extensions

Methods included from SystemCommand::Mixin

system_command, system_command!

Methods included from UnpackStrategy

#dependencies, detect, #each_directory, #extract, #extract_nestedly, from_extension, from_magic, from_type, #initialize

Class Method Details

.can_extract?(path) ⇒ 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.

Parameters:

Returns:

  • (Boolean) 


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# File 'unpack_strategy/fossil.rb', line 18

def self.can_extract?(path)
  return false unless path.magic_number.match?(/\ASQLite format 3\000/n)

  # Fossil database is made up of artifacts, so the `artifact` table must exist.
  query = "select count(*) from sqlite_master where type = 'view' and name = 'artifact'"
  system_command("sqlite3", args: [path, query]).stdout.to_i == 1
end

.extensions ⇒ Array<String>

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:



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# File 'unpack_strategy/fossil.rb', line 13

def self.extensions
  []
end