mkbackup/mkbackup.ha


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use fmt;
use io;

use gpt;

export fn mkbackup(vol: io::file, args: []str) void = {
	const vol = match(gpt::from(vol)) {
	case let g: *gpt::gpt =>
		yield g;
	case gpt::nogpt =>
		fmt::fatalf("{}: disk does not have valid gpt", args[0]);
	case =>
		fmt::fatalf("{}: could not access volume", args[0]);
	};
	defer {
		gpt::commit(vol)!;	
		gpt::finish(vol);
	};

	gpt::mkbackup(vol);
};