1 files changed, 40 insertions, 0 deletions
diff --git a/jni/ruby/lib/rubygems/commands/list_command.rb b/jni/ruby/lib/rubygems/commands/list_command.rb
new file mode 100644
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--- /dev/null
+++ b/jni/ruby/lib/rubygems/commands/list_command.rb
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+require 'rubygems/command'
+require 'rubygems/commands/query_command'
+
+##
+# An alternate to Gem::Commands::QueryCommand that searches for gems starting
+# with the the supplied argument.
+
+class Gem::Commands::ListCommand < Gem::Commands::QueryCommand
+
+  def initialize
+    super 'list', 'Display local gems whose name matches REGEXP'
+
+    remove_option('--name-matches')
+  end
+
+  def arguments # :nodoc:
+    "REGEXP        regexp to look for in gem name"
+  end
+
+  def defaults_str # :nodoc:
+    "--local --no-details"
+  end
+
+  def description # :nodoc:
+    <<-EOF
+The list command is used to view the gems you have installed locally.
+
+The --details option displays additional details including the summary, the
+homepage, the author, the locations of different versions of the gem.
+
+To search for remote gems use the search command.
+    EOF
+  end
+
+  def usage # :nodoc:
+    "#{program_name} [STRING ...]"
+  end
+
+end
+