#!/hint/bash post_install+=(01:testuser:early) testuser:early() { local arg_mountpoint=$1 chroot "$arg_mountpoint" useradd \ --gid=users \ --comment='Test User' \ --create-home \ testuser } post_install+=(99:testuser:late) testuser:late() { local arg_mountpoint=$1 local uidgid uidgid=$(awk -v FS=: -v OFS=: '$1 == "testuser" { print $3, $4 }' < "${arg_mountpoint}/etc/passwd") chown -R -- "$uidgid" "${arg_mountpoint}/home/testuser" }