repodigests ( ';' NAME )*

public Object _repodigests(String[] args) throws Exception {
	Macro.verifyCommand(args, "${repodigests;[;<repo names>]...}, get the repository digests", null, 1, 10000);
	List<RepositoryPlugin> repos = getRepositories();
	if (args.length > 1) {
		repos: for (Iterator<RepositoryPlugin> it = repos.iterator(); it.hasNext();) {
			String name = it.next().getName();
			for (int i = 1; i < args.length; i++) {
				if (name.equals(args[i])) {
					it.remove();
					continue repos;
				}
			}
			it.remove();
		}
	}
	List<String> digests = new ArrayList<String>();
	for (RepositoryPlugin repo : repos) {
		try {
			// TODO use RepositoryDigest interface when it is widely
			// implemented
			Method m = repo.getClass().getMethod("getDigest");
			byte[] digest = (byte[]) m.invoke(repo);
			digests.add(Hex.toHexString(digest));
		}
		catch (Exception e) {
			if (args.length != 1)
				error("Specified repo %s for digests is not found", repo.getName());
			// else Ignore
		}
	}
	return join(digests, ",");
}