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require "uri"
require "rubygems/installer"
require "rubygems/spec_fetcher"
require "rubygems/format"
require "digest/sha1"
require "open3"
module Bundler
module Source
# TODO: Refactor this class
class Rubygems
attr_reader :remotes
def initialize(options = {})
@options = options
@remotes = (options["remotes"] || []).map { |r| normalize_uri(r) }
# @caches = (options["caches"] || [])
# Hardcode the paths for now
@installed = {}
@caches = [ Bundler.app_cache ] + Gem.path.map { |p| File.expand_path("#{p}/cache") }
@spec_fetch_map = {}
end
# Not really needed, but it seems good to implement this method for interface
# consistency. Source name is mostly used to identify Path & Git sources
def name
":gems"
end
def options
{ "remotes" => @remotes.map { |r| r.to_s } }
end
def self.from_lock(options)
s = new(options)
Array(options["remote"]).each { |r| s.add_remote(r) }
s
end
def to_lock
out = "GEM\n"
out << remotes.map {|r| " remote: #{r}\n" }.join
out << " specs:\n"
end
def to_s
remotes = self.remotes.map { |r| r.to_s }.join(', ')
"rubygems repository: #{remotes}"
end
def specs
@specs ||= fetch_specs
end
def local_specs
@local_specs ||= fetch_local_specs
end
def fetch(spec)
action = @spec_fetch_map[spec.full_name]
action.call if action
end
def install(spec)
Bundler.ui.info "Installing #{spec.name} (#{spec.version})"
path = cached_gem(spec)
return if @installed[spec.full_name]
install_path = Bundler.requires_sudo? ? Bundler.tmp : Gem.dir
installer = Gem::Installer.new path,
:install_dir => install_path,
:ignore_dependencies => true,
:wrappers => true,
:env_shebang => true,
:bin_dir => "#{install_path}/bin"
installer.install
# SUDO HAX
if Bundler.requires_sudo?
`sudo mkdir -p #{Gem.dir}/gems #{Gem.dir}/specifications`
`sudo mv #{Bundler.tmp}/gems/#{spec.full_name} #{Gem.dir}/gems/`
`sudo mv #{Bundler.tmp}/specifications/#{spec.full_name}.gemspec #{Gem.dir}/specifications/`
end
spec.loaded_from = "#{Gem.dir}/specifications/#{spec.full_name}.gemspec"
end
def cache(spec)
cached_path = cached_gem(spec)
raise GemNotFound, "Missing gem file '#{spec.full_name}.gem'." unless cached_path
Bundler.ui.info " * #{File.basename(cached_path)}"
return if File.dirname(cached_path) == Bundler.app_cache.to_s
FileUtils.cp(cached_path, Bundler.app_cache)
end
def add_remote(source)
@remotes << normalize_uri(source)
end
private
def cached_gem(spec)
possibilities = @caches.map { |p| "#{p}/#{spec.full_name}.gem" }
possibilities.find { |p| File.exist?(p) }
end
def normalize_uri(uri)
uri = uri.to_s
uri = "#{uri}/" unless uri =~ %r'/$'
uri = URI(uri)
raise ArgumentError, "The source must be an absolute URI" unless uri.absolute?
uri
end
def fetch_specs
idx = Index.new
fetch_remote_specs(idx)
fetch_cached_specs(idx)
fetch_installed_specs(idx)
idx
end
def fetch_local_specs
idx = Index.new
fetch_cached_specs(idx)
fetch_installed_specs(idx)
idx
end
def fetch_installed_specs(idx)
Gem::SourceIndex.from_installed_gems.to_a.reverse.each do |name, spec|
@installed[spec.full_name] = true
spec.source = self
idx << spec
end
end
def fetch_cached_specs(idx)
@caches.each do |path|
Dir["#{path}/*.gem"].each do |gemfile|
s = Gem::Format.from_file_by_path(gemfile).spec
s.source = self
idx << s
end
end
end
def fetch_remote_specs(index)
remotes = self.remotes.map { |uri| uri.to_s }
old = Gem.sources
remotes.each do |uri|
Bundler.ui.info "Fetching source index for #{uri}"
Gem.sources = ["#{uri}"]
fetch_all_remote_specs do |n,v|
v.each do |name, version, platform|
spec = RemoteSpecification.new(name, version, platform, uri)
spec.source = self
# Temporary hack until this can be figured out better
@spec_fetch_map[spec.full_name] = lambda do
path = download_gem_from_uri(spec, uri)
s = Gem::Format.from_file_by_path(path).spec
spec.__swap__(s)
end
index << spec
end
end
end
ensure
Gem.sources = old
end
def fetch_all_remote_specs(&blk)
# Fetch all specs, minus prerelease specs
Gem::SpecFetcher.new.list(true, false).each(&blk)
# Then fetch the prerelease specs
begin
Gem::SpecFetcher.new.list(false, true).each(&blk)
rescue Gem::RemoteFetcher::FetchError
Bundler.ui.warn "Could not fetch prerelease specs from #{self}"
end
end
def download_gem_from_uri(spec, uri)
spec.fetch_platform
download_path = Bundler.requires_sudo? ? Bundler.tmp : Gem.dir
gem_path = "#{Gem.dir}/cache/#{spec.full_name}.gem"
FileUtils.mkdir_p("#{download_path}/cache")
Gem::RemoteFetcher.fetcher.download(spec, uri, download_path)
if Bundler.requires_sudo?
`sudo mkdir -p #{Gem.dir}/cache`
`sudo mv #{Bundler.tmp}/cache/#{spec.full_name}.gem #{gem_path}`
end
gem_path
end
end
class Path
attr_reader :path, :options
# Kind of a hack, but needed for the lock file parser
attr_accessor :name, :version
DEFAULT_GLOB = "{,*/}*.gemspec"
def initialize(options)
@options = options
@glob = options["glob"] || DEFAULT_GLOB
if options["path"]
@path = Pathname.new(options["path"]).expand_path(Bundler.root)
end
@name = options["name"]
@version = options["version"]
end
def self.from_lock(options)
new(options.merge("path" => options.delete("remote")))
end
def to_lock
out = "PATH\n"
out << " remote: #{relative_path}\n"
out << " glob: #{@glob}\n" unless @glob == DEFAULT_GLOB
out << " specs:\n"
end
def to_s
"source at #{@path}"
end
def name
File.basename(@path.to_s)
end
def load_spec_files
index = Index.new
if File.directory?(path)
Dir["#{path}/#{@glob}"].each do |file|
file = Pathname.new(file)
# Eval the gemspec from its parent directory
spec = Dir.chdir(file.dirname) do
begin
Gem::Specification.from_yaml(file.basename)
# Raises ArgumentError if the file is not valid YAML
rescue ArgumentError, Gem::EndOfYAMLException, Gem::Exception
begin
eval(File.read(file.basename), TOPLEVEL_BINDING, file.expand_path.to_s)
rescue LoadError
raise GemspecError, "There was a LoadError while evaluating #{file.basename}.\n" +
"Does it try to require a relative path? That doesn't work in Ruby 1.9."
end
end
end
if spec
spec.loaded_from = file.to_s
spec.source = self
index << spec
end
end
if index.empty? && @name && @version
index << Gem::Specification.new do |s|
s.name = @name
s.source = self
s.version = Gem::Version.new(@version)
s.summary = "Fake gemspec for #{@name}"
s.relative_loaded_from = "#{@name}.gemspec"
if path.join("bin").exist?
binaries = path.join("bin").children.map{|c| c.basename.to_s }
s.executables = binaries
end
end
end
else
raise PathError, "The path `#{path}` does not exist."
end
index
end
def local_specs
@local_specs ||= load_spec_files
end
class Installer < Gem::Installer
def initialize(spec)
@spec = spec
@bin_dir = "#{Gem.dir}/bin"
@gem_dir = spec.full_gem_path
@wrappers = true
@env_shebang = true
@format_executable = false
end
end
def install(spec)
Bundler.ui.info "Using #{spec.name} (#{spec.version}) from #{to_s}"
# Let's be honest, when we're working from a path, we can't
# really expect native extensions to work because the whole point
# is to just be able to modify what's in that path and go. So, let's
# not put ourselfs through the pain of actually trying to generate
# the full gem.
Installer.new(spec).generate_bin
end
alias specs local_specs
def cache(spec)
unless path.to_s.index(Bundler.root.to_s) == 0
Bundler.ui.warn " * #{spec.name} at `#{path}` will not be cached."
end
end
private
def relative_path
if path.to_s.include?(Bundler.root.to_s)
return path.relative_path_from(Bundler.root)
end
path
end
def generate_bin(spec)
gem_dir = Pathname.new(spec.full_gem_path)
# Some gem authors put absolute paths in their gemspec
# and we have to save them from themselves
spec.files = spec.files.map do |p|
next if File.directory?(p)
begin
Pathname.new(p).relative_path_from(gem_dir).to_s
rescue ArgumentError
p
end
end.compact
gem_file = Dir.chdir(gem_dir){ Gem::Builder.new(spec).build }
installer = Gem::Installer.new File.join(gem_dir, gem_file),
:bin_dir => "#{Gem.dir}/bin",
:wrappers => true,
:env_shebang => false,
:format_executable => false
installer.instance_eval { @gem_dir = gem_dir }
installer.build_extensions
installer.generate_bin
rescue Gem::InvalidSpecificationException => e
Bundler.ui.warn "\n#{spec.name} at #{spec.full_gem_path} did not have a valid gemspec.\n" \
"This prevents bundler from installing bins or native extensions, but " \
"that may not affect its functionality."
if !spec.extensions.empty? && !spec.email.empty?
Bundler.ui.warn "If you need to use this package without installing it from a gem " \
"repository, please contact #{spec.email} and ask them " \
"to modify their .gemspec so it can work with `gem build`."
end
Bundler.ui.warn "The validation message from Rubygems was:\n #{e.message}"
ensure
Dir.chdir(gem_dir){ FileUtils.rm_rf(gem_file) if gem_file && File.exist?(gem_file) }
end
end
class Git < Path
attr_reader :uri, :ref, :options
def initialize(options)
super
@uri = options["uri"]
@ref = options["ref"] || options["branch"] || options["tag"] || 'master'
@revision = options["revision"]
end
def self.from_lock(options)
new(options.merge("uri" => options.delete("remote")))
end
def to_lock
out = "GIT\n"
out << " remote: #{@uri}\n"
out << " revision: #{shortref_for(revision)}\n"
%w(ref branch tag).each do |opt|
out << " #{opt}: #{options[opt]}\n" if options[opt]
end
out << " glob: #{@glob}\n" unless @glob == DEFAULT_GLOB
out << " specs:\n"
end
def to_s
ref = @options["ref"] ? shortref_for(@options["ref"]) : @ref
"#{@uri} (at #{ref})"
end
def name
File.basename(@uri, '.git')
end
def path
Bundler.install_path.join("#{base_name}-#{shortref_for(revision)}")
end
def unlock!
@revision = nil
end
def specs
# Start by making sure the git cache is up to date
cache
checkout
local_specs
end
def install(spec)
Bundler.ui.info "Using #{spec.name} (#{spec.version}) from #{to_s}"
unless @installed
Bundler.ui.debug " * Checking out revision: #{ref}"
checkout
@installed = true
end
generate_bin(spec)
end
def load_spec_files
super
rescue PathError
raise PathError, "#{to_s} is not checked out. Please run `bundle install`"
end
private
def git(command)
out = %x{git #{command}}
if $? != 0
raise GitError, "An error has occurred in git. Cannot complete bundling."
end
out
end
def base_name
File.basename(uri.sub(%r{^(\w+://)?([^/:]+:)},''), ".git")
end
def shortref_for(ref)
ref[0..6]
end
def uri_hash
if uri =~ %r{^\w+://(\w+@)?}
# Downcase the domain component of the URI
# and strip off a trailing slash, if one is present
input = URI.parse(uri).normalize.to_s.sub(%r{/$},'')
else
# If there is no URI scheme, assume it is an ssh/git URI
input = uri
end
Digest::SHA1.hexdigest(input)
end
def cache_path
@cache_path ||= Bundler.cache.join("git", "#{base_name}-#{uri_hash}")
end
def cache
if cached?
Bundler.ui.info "Updating #{uri}"
in_cache { git %|fetch --force --quiet "#{uri}" refs/heads/*:refs/heads/*| }
else
Bundler.ui.info "Fetching #{uri}"
FileUtils.mkdir_p(cache_path.dirname)
git %|clone "#{uri}" "#{cache_path}" --bare --no-hardlinks|
end
end
def checkout
unless File.exist?(path.join(".git"))
FileUtils.mkdir_p(path.dirname)
git %|clone --no-checkout "#{cache_path}" "#{path}"|
end
Dir.chdir(path) do
git "fetch --force --quiet"
git "reset --hard #{revision}"
git "submodule init"
git "submodule update"
end
end
def revision
@revision ||= in_cache { git("rev-parse #{ref}").strip }
end
def cached?
cache_path.exist?
end
def in_cache(&blk)
cache unless cached?
Dir.chdir(cache_path, &blk)
end
end
end
end
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