gpg: Deprecate the --keyserver option.
* g10/keyserver.c (keyserver_refresh): Change return type to gpg_error_t. Use gpg_dirmngr_ks_list to print the name of the keyserver to use. (keyserver_search): Do not print the "no keyserver" error message. The same error is anyway returned from dirmngr. * g10/call-dirmngr.c (ks_status_parm_s): Add field "keyword". (ks_status_cb): Handle other status keywords. (gpg_dirmngr_ks_list): New. * tools/gpgconf-comp.c (gc_options_gpg): Deprecate "keyserver". (gc_options_dirmngr): Add "Keyserver" group and "keyserver".
Along with the corresponding dirmngr change this option allows to
configure the keyserver only in dirmngr.conf. Existing
configurations will continue to work. However, GUIs using gpgconf
now the keyserver option under the dirmngr (aka Key Acquirer) tab
unless they are in export mode in which the keyserver option is also
show for gpg.
- Signed-off-by: Werner Koch <wk@gnupg.org>