example .gemrc file

.gemrc

# http://guides.rubygems.org/command-reference/#gem-environment

# <gem_command>: A string containing arguments for the specified gem command
# -N, --no-document - Disable documentation generation
# --[no-]document [TYPES] - Generate documentation for installed gems List the
# documentation types you wish to generate. For example: rdoc,ri
# --[no-]suggestions - Suggest alternates when gems are not found
gem: --no-ri --no-rdoc --no-document --suggestions

# The paths in which to look for gems
# :gempath:

# Force specification of gem server host on push
# disable_default_gem_server:

# A YAML array of remote gem repositories to install gems from
# :sources:

benchmark: false

# Verbosity of the gem command. false, true, and :really are the levels
verbose: false

# Enable/disable automatic updating of repository metadata
update_sources: true

# Print backtrace when RubyGems encounters an error
backtrace: true