Update the README to show the validate subcommand by default.
This doesn't eliminate the default behavior of _not_ using the command,
but begins the visibility of using it by default.
Also copy one of the existing tests, to ensure the same behaviour works
as we add more subcommands and/or global flags.
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
Rather than an arbitrary election of hashing the xattr value with SHA1
to avoid leaking the value. By going with base64 encoding it allows for
the possibility of restoring a directory with the values stored in the
manifest.
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
The FreeBSD flag `-l` is already used and has differing behavior, so
switch to not conflict
Reported-by: Aleksa Sarai <asarai@suse.de>
Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>