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Contents
require 'English'
class Thor
module Actions
# execute a shell command and raise an error if non-zero exit code is returned
# return the string output from the command
def run_cmd(cmd, options = {})
say "$ #{cmd}"
output = `#{cmd}`
success = $CHILD_STATUS.to_i == 0
fail "#{cmd} failed" unless success || options[:allow_failure]
output
end
# launch configured editor to retreive message/string
# see http://osdir.com/ml/ruby-talk/2010-06/msg01424.html
# see https://gist.github.com/rkumar/456809
# see http://rdoc.info/github/visionmedia/commander/master/Commander/UI.ask_editor
def ask_editor(initial_text = '', editor: nil, footer: nil)
editor ||= ENV['EDITOR'] || 'vi'
initial_text += "\n\n#{footer}" if footer
text = Tempfile.open('text.md') do |f|
f << initial_text
f.flush
flags = case editor
when 'mate', 'emacs', 'subl'
'-w'
when 'mvim'
'-f'
else
''
end
pid = fork { exec([editor, flags, f.path].join(' ')) }
Process.waitpid(pid)
File.read(f.path)
end
text = text.gsub(footer, '') if footer
text.chomp.strip
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems