#!/bin/sh
set -e

# protective diversion of files moved from / to /usr, to avoid file loss.
# These protect both from M-A:same shared file loss and from loss due to moving
# from libsigrok4 to libsigrok4t64.
if [ "$1" = upgrade ] || [ "$1" = install ]; then
    dpkg-divert --package usr-is-merged --no-rename \
        --divert /lib/udev/rules.d/60-libsigrok.rules.usr-is-merged \
        --add /lib/udev/rules.d/60-libsigrok.rules
    dpkg-divert --package usr-is-merged --no-rename \
        --divert /lib/udev/rules.d/61-libsigrok-plugdev.rules.usr-is-merged \
        --add /lib/udev/rules.d/61-libsigrok-plugdev.rules
    dpkg-divert --package usr-is-merged --no-rename \
        --divert /lib/udev/rules.d/61-libsigrok-uaccess.rules.usr-is-merged \
        --add /lib/udev/rules.d/61-libsigrok-uaccess.rules

    # These diversions are supposed to be taken over from libsigrok4, which
    # will attempt to remove them in postinst and postrm. Prevent that.
    rm -f /var/lib/dpkg/libsigrok4:*.postinst /var/lib/dpkg/libsigrok4:*.postrm
fi



exit 0