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require "rubygems/remote_fetcher"
require "rubygems/format"
require "digest/sha1"
module Gemfile
module Source
class Rubygems
attr_reader :uri, :options
def initialize(options = {})
@options = options
@uri = options[:uri]
@uri = URI.parse(@uri) unless @uri.is_a?(URI)
raise ArgumentError, "The source must be an absolute URI" unless @uri.absolute?
end
def specs
@specs ||= fetch_specs
end
def install(spec)
return if Index.from_installed_gems[spec].any?
destination = Gem.dir
gem_path = Gem::RemoteFetcher.fetcher.download(spec, uri, destination)
installer = Gem::Installer.new gem_path,
:install_dir => Gem.dir,
:ignore_dependencies => true
installer.install
end
private
def fetch_specs
index = Index.new
(main_specs + prerelease_specs).each do |name, version, platform|
spec = RemoteSpecification.new(name, version, platform, @uri)
spec.source = self
index << spec
end
index
end
def main_specs
Marshal.load(Gem::RemoteFetcher.fetcher.fetch_path("#{uri}/specs.4.8.gz"))
rescue Gem::RemoteFetcher::FetchError => e
raise ArgumentError, "#{to_s} is not a valid source: #{e.message}"
end
def prerelease_specs
Marshal.load(Gem::RemoteFetcher.fetcher.fetch_path("#{uri}/prerelease_specs.4.8.gz"))
rescue Gem::RemoteFetcher::FetchError
Bundler.logger.warn "Source '#{uri}' does not support prerelease gems"
[]
end
end
class GemCache
def initialize(options)
@path = options[:path]
end
def specs
@specs ||= begin
index = Index.new
Dir["#{@path}/*.gem"].each do |gemfile|
spec = Gem::Format.from_file_by_path(gemfile).spec
spec.source = self
index << spec
end
index
end
end
def install(spec)
destination = Gem.dir
installer = Gem::Installer.new "#{@path}/#{spec.full_name}.gem",
:install_dir => Gem.dir,
:ignore_dependencies => true
installer.install
end
end
class Path
attr_reader :path, :options
def initialize(options)
@options = options
@glob = options[:glob] || "{,*/}*.gemspec"
@path = options[:path]
end
def specs
@specs ||= begin
index = Index.new
Dir["#{path}/#{@glob}"].each do |file|
file = Pathname.new(file)
if spec = eval(File.read(file))
spec = Specification.from_gemspec(spec)
spec.loaded_from = file
spec.source = self
index << spec
end
end
index
end
end
alias local_specs specs
end
class Git < Path
attr_reader :uri, :ref
def initialize(options)
@options = options
@glob = options[:glob] || "{,*/}*.gemspec"
@uri = options[:uri]
@ref = options[:ref] || options[:branch] || 'master'
end
def options
@options.merge(:ref => revision)
end
def path
Gemfile.install_path.join("#{base_name}-#{uri_hash}-#{ref}")
end
def specs
@specs ||= begin
index = Index.new
# Start by making sure the git cache is up to date
cache
# Find all gemspecs in the repo
in_cache do
out = %x(git ls-tree -r #{revision}).strip
lines = out.split("\n").select { |l| l =~ /\.gemspec$/ }
# Loop over the lines and extract the relative path and the
# git hash
lines.each do |line|
next unless line =~ %r{^(\d+) (blob|tree) ([a-zf0-9]+)\t(.*)$}
hash, file = $3, $4
# Read the gemspec
if spec = eval(%x(git cat-file blob #{$3}))
spec = Specification.from_gemspec(spec)
spec.relative_loaded_from = file
spec.source = self
index << spec
end
end
end
index
end
end
def install(spec)
@installed ||= begin
FileUtils.mkdir_p(path)
Dir.chdir(path) do
unless File.exist?(".git")
%x(git clone --recursive --no-checkout #{cache_path} #{path})
end
%x(git fetch --quiet)
%x(git reset --hard #{revision})
%x(git submodule init)
%x(git submodule update)
end
true
end
end
private
def base_name
File.basename(uri, ".git")
end
def uri_hash
Digest::SHA1.hexdigest(URI.parse(uri).normalize.to_s.sub(%r{/$}, ''))
end
def cache_path
@cache_path ||= Gemfile.cache.join("git", "#{base_name}-#{uri_hash}")
end
def cache
if cache_path.exist?
in_cache { `git fetch --quiet #{uri} master:master` }
else
FileUtils.mkdir_p(cache_path.dirname)
`git clone #{uri} #{cache_path} --bare --no-hardlinks`
end
end
def revision
@revision ||= in_cache { `git rev-parse #{ref}`.strip }
end
def in_cache(&blk)
Dir.chdir(cache_path, &blk)
end
end
end
end
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