net: misleading lookup error message

[gopherbot]

by fish@soundcloud.com:

If you look up a not fully qualified name via net.Lookup* functions and the name can't
be resolved, it will print the name as it was a fully qualified name.

Given you have the search path "example.com" and try to resolve
"foo": If "foo.example.com" can't be resolved, net prints:

        lookup foo.: no such host

Which is misleading because you expect it tried to resolve "foo." where it in
fact (as designed) tried to resolve "foo.example.com" as well.

Reason for this:
https://code.google.com/p/go/source/browse/src/pkg/net/dnsclient_unix.go#208 makes the
name fully qualified and the error will be returned right away. IMO it should use the
originally provided name for the error.

[adg]

Comment 1:

Sounds worth cleaning up.

Labels changed: added priority-soon, go1.2maybe, removed priority-triage.

Status changed to Accepted.

[rsc]

Comment 2:

Owner changed to @rsc.

Status changed to Started.

[rsc]

Comment 3:

This issue was closed by revision 94a6511.

Status changed to Fixed.