Module: GitHooks::SystemUtils

Included in:
Repository
Defined in:
lib/githooks/system_utils.rb

Defined Under Namespace

Classes: Command

Class Method Summary collapse

Class Method Details

.command(name) ⇒ Object 



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# File 'lib/githooks/system_utils.rb', line 36

def command(name)
  (@commands ||= {})[name] ||= begin
    Command.new(name).tap { |cmd|
      define_method("command_#{cmd.name}") { |*args| cmd.execute(*args) }
      alias_method cmd.method, "command_#{cmd.name}"
    }
  end
end

.commands(*names) ⇒ Object 



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# File 'lib/githooks/system_utils.rb', line 46

def commands(*names)
  names.each { |name| command(name) }
end

.find_bin(name) ⇒ Object 



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# File 'lib/githooks/system_utils.rb', line 15

def find_bin(name)
  ENV['PATH'].split(/:/).collect { |path|
    Pathname.new(path) + name.to_s
  }.select { |path|
    path.exist? && path.executable?
  }.collect(&:to_s)
end

.which(name) ⇒ Object 



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# File 'lib/githooks/system_utils.rb', line 10

def which(name)
  find_bin(name).first
end

.with_path(path, &_block) ⇒ Object 



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# File 'lib/githooks/system_utils.rb', line 24

def with_path(path, &_block)
  fail ArgumentError, 'Missing required block' unless block_given?
  begin
    cwd = Dir.getwd
    Dir.chdir path
    yield path
  ensure
    Dir.chdir cwd
  end
end