pkg/archive/diff_windows.go - third_party/github.com/moby/moby - Git at Google

 package archive

 // overrideUmask is a no-op on windows.
 func overrideUmask(newmask int) func() {
 	return func() {}
 }
	package archive

	// overrideUmask is a no-op on windows.
	func overrideUmask(newmask int) func() {
	return func() {}
	}