Module: SugarJar::Util

Defined in:
lib/sugarjar/util.rb

Class Method Summary collapse

Class Method Details

.which(cmd) ⇒ Object

a mixin to hold stuff that Commands and RepoConfig both use



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# File 'lib/sugarjar/util.rb', line 8

def self.which(cmd)
  path = which_nofail(cmd)
  return path if path

  SugarJar::Log.fatal("Could not find #{cmd} in your path")
  exit(1)
end

.which_nofail(cmd) ⇒ Object

Finds the first entry in the path for a binary and checks to make sure it's not us. Warn if it is us as that won't work in 2.x



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# File 'lib/sugarjar/util.rb', line 18

def self.which_nofail(cmd)
  ENV['PATH'].split(File::PATH_SEPARATOR).each do |dir|
    p = File.join(dir, cmd)
    next unless File.exist?(p) && File.executable?(p)

    if File.basename(File.realpath(p)) == 'sj'
      SugarJar::Log.error(
        "'#{cmd}' is linked to 'sj' which is no longer supported.",
      )
      next
    end
    return p
  end
  false
end