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module Bundler
class InvalidRepository < StandardError ; end
class Repository
attr_reader :path
def initialize(path)
@path = Pathname.new(path)
unless valid?
raise InvalidRepository, "'#{path}' is not a valid gem repository"
end
end
# Returns the source index for all gems installed in the
# repository
def source_index
Gem::SourceIndex.from_gems_in(@path.join("specifications"))
end
def valid?
(Dir[@path.join("*")] - Dir[@path.join("{cache,doc,gems,environments,specifications}")]).empty?
end
# Checks whether a gem is installed
def install_cached_gems(options = {})
cached_gems.each do |name, version|
unless installed?(name, version)
install_cached_gem(name, version, options)
end
end
end
def install_cached_gem(name, version, options = {})
cached_gem = cache_path.join("#{name}-#{version}.gem")
# TODO: Add a warning if cached_gem is not a file
if cached_gem.file?
Bundler.logger.info "Installing #{name}-#{version}.gem"
installer = Gem::Installer.new(cached_gem.to_s, options.merge(
:install_dir => @path,
:ignore_dependencies => true,
:env_shebang => true,
:wrappers => true
))
installer.install
end
end
private
def cache_path
@path.join("cache")
end
def cache_files
Dir[cache_path.join("*.gem")]
end
def cached_gems
cache_files.map do |f|
full_name = File.basename(f).gsub(/\.gem$/, '')
full_name.split(/-(?=[^-]+$)/)
end
end
def spec_path
@path.join("specifications")
end
def spec_files
Dir[spec_path.join("*.gemspec")]
end
def gem_path
@path.join("gems")
end
def gems
Dir[gem_path.join("*")]
end
def installed?(name, version)
spec_files.any? { |g| File.basename(g) == "#{name}-#{version}.gemspec" } &&
gems.any? { |g| File.basename(g) == "#{name}-#{version}" }
end
end
end
|
