> Предлагаю хранить эту информацию локально, и иметь соотв. аргумент cli.

Предлагаю для начала открыть соотв. ман или док и почитать, как оно на самом деле работает, а не гадать по знакомым словам (видимо, "remote" в "remote query") и не строить предположения в меру своей фантазии.

https://www.freebsd.org/cgi/man.cgi?pkg-repository
> Package repositories used by the pkg(8) program consist of one or more
> collections of "package tarballs" together with package catalogues
> and optionally various other collected package metadata.

https://www.freebsd.org/cgi/man.cgi?query=pkg-rquery&sektion...
> -U, --no-repo-update
>     Suppress the automatic    update of the local copy of the    repos-
>         itory catalogue from remote.  Automatic repository catalogue
>          updates are only attempted when the effective UID of the
>         process has write access to the package database.  Otherwise
>         they are silently ignored.

-

> Multiline patterns:
> %b     Expands to the    list of    shared libraries provided by the matched package.

http://manpages.ubuntu.com/manpages/trusty/man1/alias.1posix...

alias pkg_rlib="pkg rquery '%o %b' | grep"

$ time pkg_rlib libquad
lang/gcc10-devel libquadmath.so.0
lang/gcc48 libquadmath.so.0
lang/gcc5 libquadmath.so.0
lang/gcc6 libquadmath.so.0
lang/gcc6-aux libquadmath.so.0
lang/gcc7 libquadmath.so.0
lang/gcc7-devel libquadmath.so.0
lang/gcc8 libquadmath.so.0
lang/gcc8-devel libquadmath.so.0
lang/gcc9 libquadmath.so.0
lang/gcc9-devel libquadmath.so.0
lang/gcc8 libquadmath.so.0
pkg rquery '%o %b'  1,50s user 0,16s system 99% cpu 1,668 total
/usr/bin/grep --color=auto libquad  0,00s user 0,04s system 2% cpu 1,666 total