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# Copyright 2009 Max Howell <max@methylblue.com>
#
# This file is part of Homebrew.
#
# Homebrew is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Homebrew is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Homebrew. If not, see <http://www.gnu.org/licenses/>.
# args are additional inputs to puts until a nil arg is encountered
def ohai title, *args
return if args.length > 0 and args[0].nil?
n=`tput cols`.strip.to_i-4
puts "\033[0;34m==>\033[0;0;1m #{title[0,n]}\033[0;0m"
args.each do |arg|
return if arg.nil?
puts arg
end
end
# shows a warning in delicious pink
def opoo warning
puts "\033[1;35m==>\033[0;0;1m Warning\033[0;0m: #{warning}"
end
def onoe error
puts "\033[1;31m==>\033[0;0;1m Error\033[0;0m: #{error}"
end
def pretty_duration s
return "#{(s*1000).to_i} milliseconds" if s < 3
return "#{s.to_i} seconds" if s < 10*60
return "#{(s/60).to_i} minutes"
end
def interactive_shell
pid=fork
if pid.nil?
exec ENV['SHELL']
else
Process.wait pid
end
end
# Kernel.system but with exceptions
def safe_system cmd, *args
puts "#{cmd} #{args*' '}" if ARGV.verbose?
execd=Kernel.system cmd, *args
# somehow Ruby doesn't handle the CTRL-C from another process -- WTF!?
raise Interrupt, cmd if $?.termsig == 2
raise ExecutionError.new(cmd, args) unless execd and $? == 0
end
def curl url, *args
safe_system 'curl', '-f#LA', HOMEBREW_USER_AGENT, url, *args
end
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