Module: Squared::Common::Shell

Defined in:
lib/squared/common/shell.rb

Instance Method Summary collapse

Instance Method Details

#double_quote(val) ⇒ Object 



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# File 'lib/squared/common/shell.rb', line 31

def double_quote(val)
  val.gsub(/(?<!\\)"/, '\\"')
end

#fill_option(val) ⇒ Object 



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# File 'lib/squared/common/shell.rb', line 20

def fill_option(val)
  return "-#{val}" if val.size == 1 || val.match?(/^[a-z]\d+$/i)

  val = "--#{val}" unless val.start_with?('-')
  shell_escape(val).sub('\\=', '=')
end

#sanitize_args(*opts) ⇒ Object 



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# File 'lib/squared/common/shell.rb', line 43

def sanitize_args(*opts)
  opts.map { |val| val.include?(' ') ? shell_quote(val) : shell_escape(val) }.join(' ')
end

#shell_escape(val, quote: false) ⇒ Object 



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# File 'lib/squared/common/shell.rb', line 6

def shell_escape(val, quote: false)
  return (quote ? shell_quote(val, force: false) : val) if ::Rake::Win32.windows?

  require 'shellwords'
  Shellwords.escape(val)
end

#shell_quote(val, force: true) ⇒ Object 



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# File 'lib/squared/common/shell.rb', line 13

def shell_quote(val, force: true)
  ret = val.to_s.strip
  return ret if (!force && !ret.include?(' ')) || ret.match?(/(?:^|=)(["']).+\1$/m)

  ::Rake::Win32.windows? ? "\"#{double_quote(ret)}\"" : "'#{single_quote(ret)}'"
end

#single_quote(val) ⇒ Object 



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# File 'lib/squared/common/shell.rb', line 27

def single_quote(val)
  val.gsub("'", "'\\\\''")
end

#split_escape(val, char: ',') ⇒ Object 



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# File 'lib/squared/common/shell.rb', line 35

def split_escape(val, char: ',')
  val.split(/\s*(?<!\\)#{char}\s*/)
end

#trailing_slash(val) ⇒ Object 



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# File 'lib/squared/common/shell.rb', line 39

def trailing_slash(val)
  val.to_s.chomp(::File::SEPARATOR) + ::File::SEPARATOR
end