#!/bin/bash
set -e

# This code is based on snapcraft's own patch to work around this problem at
# https://github.com/snapcore/snapcraft/blob/a97fb5c7ea553a1bd20f4887a7c3393e75761890/patches/ctypes_init.diff.
case "${SNAP_ARCH}" in
    'arm64')
        ARCH_TRIPLET='aarch64-linux-gnu';;
    'armhf')
        ARCH_TRIPLET='arm-linux-gnueabihf';;
    'i386')
        ARCH_TRIPLET='i386-linux-gnu';;
    'ppc64el')
        ARCH_TRIPLET='powerpc64le-linux-gnu';;
    'powerpc')
        ARCH_TRIPLET='powerpc-linux-gnu';;
    'amd64')
        ARCH_TRIPLET='x86_64-linux-gnu';;
    's390x')
        ARCH_TRIPLET='s390x-linux-gnu';;
    *)
        echo "Unrecongized value of SNAP_ARCH: ${SNAP_ARCH}" >&2
        exit 1
esac

PARTIAL_LIBRARY_PATH="${SNAP}/usr/lib/${ARCH_TRIPLET}/"
export LD_LIBRARY_PATH="${PARTIAL_LIBRARY_PATH}:${LD_LIBRARY_PATH}"
export CERTBOT_AUGEAS_PATH="${PARTIAL_LIBRARY_PATH}libaugeas.so.0"

join() {
    sep=$1
    first=$2
    if [ "$first" != "" ]; then
        shift 2
        echo -n "${first}"
        for item in "$@"; do echo -n "${sep}${item}"; done
        echo
    fi
}

paths=$(for plugin_snap in $(snap connections certbot|sed -n '2,$p'|awk '$1=="content[certbot-1]"{print $3}'|cut -d: -f1); do echo /snap/$plugin_snap/current/lib/python3.8/site-packages; done)
export CERTBOT_PLUGIN_PATH=$(join : $paths)
exec certbot "$@"