home-assistant-snap/scripts/hooks/configure

#!/usr/bin/env bash

source "${SNAP}/init"

DOMAIN=`snapctl get domain`

if [ -z "${DOMAIN}" ]; then
    DOMAIN="--not-set"
else
    snapctl is-connected certs
    if [ $? -eq 0 ]; then
        HIT=`ls -Al "${SNAP_DATA}/certs/" | grep "${UUID}_${DOMAIN}" | wc -l`
        if [ "${HIT}" -eq 0 ]; then
            echo "No certificate available for"
            echo "Snap: ${SNAP_NAME}"
            echo "UUID: ${UUID}"
            echo "Domain: ${DOMAIN}"
            echo "See 'acme-sh' (snap install acme-sh)"
            DOMAIN="--not-set"
        fi
    else 
        "Slot 'certs' not connected"
        echo "See 'acme-sh' (snap install acme-sh)"
        echo "then 'snap connect acme-sh:certs ${SNAP_DATA}:certs'"
        DOMAIN='--not-set'
    fi 
fi

snapctl set domain="${DOMAIN}"