On 2023-03-07 9:09, Dan Langille wrote:
Baptiste Daroussin wrote on 3/6/23 2:56 AM:
On Wed, Mar 01, 2023 at 11:50:13PM -0800, Mel Pilgrim wrote:
I need to determine the ABI string pkg uses on a given system, and need to
do so when there are no pkgs installed.
pkg config ABI
pkg config ALTABI

When run in a freshly-created jail:

[r730-01 dvl ~] % sudo jexec empty_tester
root@:/ # pkg config ABI
FreeBSD:13:amd64
root@:/ # pkg config ALTABI
freebsd:13:x86:64
root@:/ #

Mel: I think this is what you wanted to get?

Your freshly-created jail has pkg installed. `pkg config ABI` only works if pkg has been bootstrapped.

Getting the ABI string with just the /usr/sbin/pkg stub available is another thing entirely, even though that stub program necessarily has the code to determine the ABI string. I ended up writing a small program that replicates the ELF-divining logic in pkg and prints the value of ABI.

IMO the stub should have the `pkg config ABI` functionality added to it, but I'm probably alone in thinking that would be useful.

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