Module: ShellHelpers::ShConfig

Extended by:
ShConfig
Included in:
ShConfig
Defined in:
lib/shell_helpers/sh.rb

Overview

this modules deal with default options, paths and arg handling for different programs, while letting the user control Exemples: ShConfig.launch(:ls, "/", config: {default_opts: ["-l"]}) => ["ls", "-l", "/", {}] ShConfig.launch(:ls, "/", config: {default_opts: ["-l"]}, method: :sh) ShConfig.launch(:ls, "/", config: {default_opts: ["-l"]}) { |*args| SH.sh(*args) } ShConfig.launch(:ls, "/", config: {ls: {wrap: ->(cmd,*args, &b) { b.call(cmd, '-l', *args) } }}, method: :sh)

Instance Method Summary collapse

Instance Method Details

#launch(*args, opts: [], cmd_prepend: [], cmd_postpone: [], config: self.sh_config, default_opts: true, method: nil, **keywords, &b) ⇒ Object 



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# File 'lib/shell_helpers/sh.rb', line 415

def launch(*args, opts: [], cmd_prepend: [], cmd_postpone: [], config: self.sh_config, default_opts: true, method: nil, **keywords, &b)
  if args.length == 1 and (arg=args.first).is_a?(String)
    args=arg.shellsplit
    args[0]=args[0][1..-1].to_sym if args[0][0]==':'
  end
  opts=opts.shellsplit if opts.is_a?(String)
  default_opts=default_opts.shellsplit if default_opts.is_a?(String)
  cmd_prepend=cmd_prepend.shellsplit if cmd_prepend.is_a?(String)
  cmd_postpone=cmd_postpone.shellsplit if cmd_postpone.is_a?(String)
  dopts = default_opts.is_a?(Array) ? default_opts : []
  cmd, *args=args
  if cmd.is_a?(Symbol)
    if config.key?(cmd)
      c=config[cmd]
      cmd=c[:bin] || cmd.to_s
      dopts += (Array(c[:default_opts])||[]) if default_opts
      wrap=c[:wrap]
    else
      cmd=cmd.to_s
    end
  end
  cargs=Array(cmd_prepend) + [cmd] + dopts + Array(opts) + args + Array(cmd_postpone)
  if !b
    if method
      b=lambda do |*args, **kw|
        SH.public_send(method, *args, **kw)
      end
    else
      b=lambda do |*args|
        return *args
      end
    end
  end
  if wrap
    wrap.call(*cargs, **keywords, &b)
  else
    b.call(*cargs, **keywords)
  end
end

#sh_config ⇒ Object 



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# File 'lib/shell_helpers/sh.rb', line 455

def sh_config
  {}
end