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require 'rubygems/command'
require 'rubygems/install_update_options'
require 'rubygems/dependency_installer'
require 'rubygems/local_remote_options'
require 'rubygems/validator'
require 'rubygems/version_option'
require 'rubygems/install_message' # must come before rdoc for messaging
require 'rubygems/rdoc'
##
# Gem installer command line tool
#
# See `gem help install`
class Gem::Commands::InstallCommand < Gem::Command
attr_reader :installed_specs # :nodoc:
include Gem::VersionOption
include Gem::LocalRemoteOptions
include Gem::InstallUpdateOptions
def initialize
defaults = Gem::DependencyInstaller::DEFAULT_OPTIONS.merge({
:format_executable => false,
:version => Gem::Requirement.default,
})
super 'install', 'Install a gem into the local repository', defaults
add_install_update_options
add_local_remote_options
add_platform_option
add_version_option
add_prerelease_option "to be installed. (Only for listed gems)"
add_option(:"Install/Update", '-g', '--file FILE',
'Read from a gem dependencies API file and',
'install the listed gems') do |v,o|
o[:gemdeps] = v
end
@installed_specs = nil
end
def arguments # :nodoc:
"GEMNAME name of gem to install"
end
def defaults_str # :nodoc:
"--both --version '#{Gem::Requirement.default}' --document --no-force\n" +
"--install-dir #{Gem.dir}"
end
def description # :nodoc:
<<-EOF
The install command installs local or remote gem into a gem repository.
For gems with executables ruby installs a wrapper file into the executable
directory by default. This can be overridden with the --no-wrappers option.
The wrapper allows you to choose among alternate gem versions using _version_.
For example `rake _0.7.3_ --version` will run rake version 0.7.3 if a newer
version is also installed.
If an extension fails to compile during gem installation the gem
specification is not written out, but the gem remains unpacked in the
repository. You may need to specify the path to the library's headers and
libraries to continue. You can do this by adding a -- between RubyGems'
options and the extension's build options:
$ gem install some_extension_gem
[build fails]
Gem files will remain installed in \\
/path/to/gems/some_extension_gem-1.0 for inspection.
Results logged to /path/to/gems/some_extension_gem-1.0/gem_make.out
$ gem install some_extension_gem -- --with-extension-lib=/path/to/lib
[build succeeds]
$ gem list some_extension_gem
*** LOCAL GEMS ***
some_extension_gem (1.0)
$
If you correct the compilation errors by editing the gem files you will need
to write the specification by hand. For example:
$ gem install some_extension_gem
[build fails]
Gem files will remain installed in \\
/path/to/gems/some_extension_gem-1.0 for inspection.
Results logged to /path/to/gems/some_extension_gem-1.0/gem_make.out
$ [cd /path/to/gems/some_extension_gem-1.0]
$ [edit files or what-have-you and run make]
$ gem spec ../../cache/some_extension_gem-1.0.gem --ruby > \\
../../specifications/some_extension_gem-1.0.gemspec
$ gem list some_extension_gem
*** LOCAL GEMS ***
some_extension_gem (1.0)
$
EOF
end
def usage # :nodoc:
"#{program_name} GEMNAME [GEMNAME ...] [options] -- --build-flags"
end
def install_from_gemdeps(gf)
require 'rubygems/request_set'
rs = Gem::RequestSet.new
rs.load_gemdeps gf
rs.resolve
specs = rs.install options do |req, inst|
s = req.full_spec
if inst
say "Installing #{s.name} (#{s.version})"
else
say "Using #{s.name} (#{s.version})"
end
end
@installed_specs = specs
raise Gem::SystemExitException, 0
end
def execute
if gf = options[:gemdeps] then
install_from_gemdeps gf
return
end
@installed_specs = []
ENV.delete 'GEM_PATH' if options[:install_dir].nil? and RUBY_VERSION > '1.9'
if options[:install_dir] and options[:user_install]
alert_error "Use --install-dir or --user-install but not both"
terminate_interaction 1
end
exit_code = 0
if options[:version] != Gem::Requirement.default &&
get_all_gem_names.size > 1 then
alert_error "Can't use --version w/ multiple gems. Use name:ver instead."
terminate_interaction 1
end
get_all_gem_names_and_versions.each do |gem_name, gem_version|
gem_version ||= options[:version]
begin
next if options[:conservative] and
not Gem::Dependency.new(gem_name, gem_version).matching_specs.empty?
inst = Gem::DependencyInstaller.new options
inst.install gem_name, Gem::Requirement.create(gem_version)
@installed_specs.push(*inst.installed_gems)
next unless errs = inst.errors
errs.each do |x|
next unless Gem::SourceFetchProblem === x
msg = "Unable to pull data from '#{x.source.uri}': #{x.error.message}"
alert_warning msg
end
rescue Gem::InstallError => e
alert_error "Error installing #{gem_name}:\n\t#{e.message}"
exit_code |= 1
rescue Gem::GemNotFoundException => e
show_lookup_failure e.name, e.version, e.errors, options[:domain]
exit_code |= 2
end
end
unless @installed_specs.empty? then
gems = @installed_specs.length == 1 ? 'gem' : 'gems'
say "#{@installed_specs.length} #{gems} installed"
end
raise Gem::SystemExitException, exit_code
end
end