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######################################################################
# This file is imported from the rubygems project.
# DO NOT make modifications in this repo. They _will_ be reverted!
# File a patch instead and assign it to Ryan Davis or Eric Hodel.
######################################################################
require 'rubygems/command'
require 'rubygems/local_remote_options'
require 'rubygems/version_option'
class Gem::Commands::FetchCommand < Gem::Command
include Gem::LocalRemoteOptions
include Gem::VersionOption
def initialize
super 'fetch', 'Download a gem and place it in the current directory'
add_bulk_threshold_option
add_proxy_option
add_source_option
add_version_option
add_platform_option
add_prerelease_option
end
def arguments # :nodoc:
'GEMNAME name of gem to download'
end
def defaults_str # :nodoc:
"--version '#{Gem::Requirement.default}'"
end
def usage # :nodoc:
"#{program_name} GEMNAME [GEMNAME ...]"
end
def execute
version = options[:version] || Gem::Requirement.default
all = Gem::Requirement.default != version
platform = Gem.platforms.last
gem_names = get_all_gem_names
gem_names.each do |gem_name|
dep = Gem::Dependency.new gem_name, version
dep.prerelease = options[:prerelease]
specs_and_sources, errors =
Gem::SpecFetcher.fetcher.fetch_with_errors(dep, all, true,
dep.prerelease?)
if platform then
filtered = specs_and_sources.select { |s,| s.platform == platform }
specs_and_sources = filtered unless filtered.empty?
end
spec, source_uri = specs_and_sources.sort_by { |s,| s.version }.last
if spec.nil? then
show_lookup_failure gem_name, version, errors, options[:domain]
next
end
path = Gem::RemoteFetcher.fetcher.download spec, source_uri
FileUtils.mv path, File.basename(spec.cache_file)
say "Downloaded #{spec.full_name}"
end
end
end
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