# This quickly changes from the old packager.io to the new packager.io repository
# Commands require sudo / root permissions

# Drop existing GPG-Key and Repository-File
rm -f /etc/apt/trusted.gpg.d/pkgr-zammad.gpg /etc/apt/sources.list.d/zammad.list

# Download the new Keyring
curl -fsSL "https://go.packager.io/srv/deb/zammad/zammad/gpg-key.gpg" \
  -o /usr/share/keyrings/zammad.gpg

# Get VERSION_ID of OS
OSV=$(grep '^VERSION_ID' /etc/os-release| cut -d'=' -f2 | tr -d '\"')

# Download the new repository file
# stable
curl -fsSL "https://go.packager.io/srv/zammad/zammad/stable/installer/debian/${OSV}.list" \
  -o /etc/apt/sources.list.d/zammad.list

# develop (Do not use in production)
curl -fsSL "https://go.packager.io/srv/zammad/zammad/develop/installer/debian/${OSV}.list" \
  -o /etc/apt/sources.list.d/zammad.list

# Refresh Sources and Upgrade packages
apt update
apt upgrade

# Alternatively only for Zammad:
apt install zammad