Class: DiffGem::GemExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/diff_gem/gem_extractor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cache_dir) ⇒ GemExtractor

Returns a new instance of GemExtractor.



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# File 'lib/diff_gem/gem_extractor.rb', line 12

def initialize(cache_dir)
  @cache_dir = cache_dir
  ensure_cache_dir_exists
end

Instance Attribute Details

#cache_dir ⇒ Object (readonly)

Returns the value of attribute cache_dir.



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# File 'lib/diff_gem/gem_extractor.rb', line 10

def cache_dir
  @cache_dir
end

Instance Method Details

#extract_gem(gem_name, version) ⇒ Object 



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# File 'lib/diff_gem/gem_extractor.rb', line 17

def extract_gem(gem_name, version)
  gem_cache_dir = File.join(cache_dir, gem_name, version)

  # Return existing path if already downloaded and extracted
  if File.exist?(gem_cache_dir) && !Dir.empty?(gem_cache_dir)
    puts "  Using cached: #{gem_name} #{version}"
    return gem_cache_dir
  end

  puts "  Downloading: #{gem_name} #{version}"

  # Ensure directory exists
  FileUtils.mkdir_p(gem_cache_dir)

  # Download gem file
  gem_file_path = download_gem(gem_name, version)

  # Extract gem contents
  extract_gem_archive(gem_file_path, gem_cache_dir)

  # Clean up downloaded gem file
  File.delete(gem_file_path) if File.exist?(gem_file_path)

  gem_cache_dir
end