[lvm-devel] revised error output: Run ... --help for more information

[Jim Meyering]

Alasdair G Kergon <agk at redhat.com> wrote:
> Be aware that this is partly configurable already, but
> can still come out looking a bit of a mess.
> E.g. In lvm.conf set log { command_names = 1 prefix = ": " }

Oh!  Thanks.

It'd be nice to make that the default,
but I guess there are reasons.

All the more reason to make the new tests use their own /etc and /dev
directories.