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module Bundler
class Repository
class Gems
attr_reader :path, :bindir
def initialize(path, bindir)
@path = path
@bindir = bindir
end
# Returns the source index for all gems installed in the
# repository
def source_index
index = Gem::SourceIndex.from_gems_in(@path.join("specifications"))
index.each { |n, spec| spec.loaded_from = @path.join("specifications", "#{spec.full_name}.gemspec") }
index
end
def gems
source_index.gems.values
end
# Checks whether a gem is installed
def expand(options)
cached_gems.each do |name, version|
unless installed?(name, version)
install_cached_gem(name, version, options)
end
end
end
def cleanup(gems)
glob = gems.map { |g| g.full_name }.join(',')
base = path.join("{cache,specifications,gems}")
(Dir[base.join("*")] - Dir[base.join("{#{glob}}{.gemspec,.gem,}")]).each do |file|
if File.basename(file) =~ /\.gem$/
name = File.basename(file, '.gem')
Bundler.logger.info "Deleting gem: #{name}"
end
FileUtils.rm_rf(file)
end
end
def add_spec(spec)
raise NotImplementedError
end
def download_path_for
path
end
private
def cache_path
@path.join("cache")
end
def cache_files
Dir[cache_path.join("*.gem")]
end
def cached_gems
cache_files.map do |f|
full_name = File.basename(f).gsub(/\.gem$/, '')
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 gem_paths
Dir[gem_path.join("*")]
end
def installed?(name, version)
spec_files.any? { |g| File.basename(g) == "#{name}-#{version}.gemspec" } &&
gem_paths.any? { |g| File.basename(g) == "#{name}-#{version}" }
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,
:bin_dir => @bindir
))
installer.install
end
end
end
end
end
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