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improved "FQDN" check

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AlexHuebi 2023-09-02 02:53:55 +02:00 committed by GitHub
parent d6c3c58f42
commit 718dcb69be
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1 changed files with 14 additions and 1 deletions
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update.sh
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@ -418,10 +418,23 @@ detect_docker_compose_command
[[ ! -f mailcow.conf ]] && { echo "mailcow.conf is missing! Is mailcow installed?"; exit 1;}
DOTS=${MAILCOW_HOSTNAME//[^.]};
if [ ${#DOTS} -lt 2 ]; then
if [ ${#DOTS} -lt 1 ]; then
echo "MAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) is not a FQDN!"
echo "Please change it to a FQDN and run $COMPOSE_COMMAND down followed by $COMPOSE_COMMAND up -d"
exit 1
elif [[ "${MAILCOW_HOSTNAME: -1}" == "." ]]; then
echo "MAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) is ending with a dot. This is not a valid FQDN!"
exit 1
elif [ ${#DOTS} -eq 1 ]; then
echo "MAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) does not contain a Subdomain. This is not fully tested and may cause issues."
echo "Find more information about why this message exists here: https://github.com/mailcow/mailcow-dockerized/issues/1572"
read -r -p "Do you want to proceed anyway? [y/N] " response
if [[ "$response" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
echo "OK. Procceding."
else
echo "OK. Exiting."
exit 1
fi
fi
if grep --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox grep detected, please install gnu grep, \"apk add --no-cache --upgrade grep\""; exit 1; fi