#!/bin/bash
{% set arch = 'arm' salt.grains.get(cpuarch).startswith('arm') else 'amd64' %}

if test -z "$RESTIC_VERSION"; then
  echo "RESTIC_VERSION is not defined"
  exit 1
fi

URL="https://github.com/restic/restic/releases/download/v${RESTIC_VERSION}/restic_${RESTIC_VERSION}_linux_{{ arch }}.bz2"

wget --quiet "${URL}" -O - | bzip2 -cd > /bin/restic.tmp
if [ $? -eq 0 ]; then
  chmod +x /bin/restic.tmp
  mv /bin/restic.tmp /bin/restic
else
  rm -f /bin/restic.tmp
  exit 1
fi