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-rw-r--r--lib/rubygems/commands/unpack_command.rb58
1 files changed, 35 insertions, 23 deletions
@@ -12,7 +12,8 @@ class Gem::Commands::UnpackCommand < Gem::Command
:version => Gem::Requirement.default,
:target => Dir.pwd
- add_option('--target=DIR', 'target directory for unpacking') do |value, options|
options[:target] = value
end
@@ -31,6 +32,16 @@ class Gem::Commands::UnpackCommand < Gem::Command
"#{program_name} GEMNAME"
end
#--
# TODO: allow, e.g., 'gem unpack rake-0.3.1'. Find a general solution for
# this, so that it works for uninstall as well. (And check other commands
@@ -38,11 +49,12 @@ class Gem::Commands::UnpackCommand < Gem::Command
def execute
get_all_gem_names.each do |name|
- path = get_path name, options[:version]
if path then
- basename = File.basename(path, '.gem')
- target_dir = File.expand_path File.join(options[:target], basename)
FileUtils.mkdir_p target_dir
Gem::Installer.new(path, :unpack => true).unpack target_dir
say "Unpacked gem: '#{target_dir}'"
@@ -52,14 +64,15 @@ class Gem::Commands::UnpackCommand < Gem::Command
end
end
# Return the full path to the cached gem file matching the given
# name and version requirement. Returns 'nil' if no match.
#
# Example:
#
- # get_path('rake', '> 0.4') # -> '/usr/lib/ruby/gems/1.8/cache/rake-0.4.2.gem'
- # get_path('rake', '< 0.1') # -> nil
- # get_path('rak') # -> nil (exact name required)
#--
# TODO: This should be refactored so that it's a general service. I don't
# think any of our existing classes are the right place though. Just maybe
@@ -67,30 +80,29 @@ class Gem::Commands::UnpackCommand < Gem::Command
#
# TODO: It just uses Gem.dir for now. What's an easy way to get the list of
# source directories?
- def get_path(gemname, version_req)
- return gemname if gemname =~ /\.gem$/i
- specs = Gem::source_index.find_name gemname, version_req
selected = specs.sort_by { |s| s.version }.last
- return nil if selected.nil?
- # We expect to find (basename).gem in the 'cache' directory.
- # Furthermore, the name match must be exact (ignoring case).
- if gemname =~ /^#{selected.name}$/i
- filename = selected.file_name
- path = nil
- Gem.path.find do |gem_dir|
- path = File.join gem_dir, 'cache', filename
- File.exist? path
- end
- path
- else
- nil
end
end
end