Attempting to reproduce the missing etcmerge from 15.0 to 15.1 upgrade

This post documents my attempt to reproduce the problem outlined in FreeBSD – /etc/pam.d/sshd was updated/overwritten – no merge attempt FYI, this bug report was created before I did this work: pkgbase upgrade to 15.1 restores default /etc/pam.d/* configuration I have a working test jail: testingmerge Snapshot of 15.0 [12:11 r730-03 dvl /usr/local/share] % zfs list grep testingmerge…