nginx-proxy-manager/docker/rootfs/etc/s6-overlay/s6-rc.d/prepare/50-ipv6.sh

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#!/command/with-contenv bash
# shellcheck shell=bash
# This command reads the `DISABLE_IPV6` env var and will either enable
# or disable ipv6 in all nginx configs based on this setting.
set -e
log_info 'IPv6 ...'
# Lowercase
DISABLE_IPV6=$(echo "${DISABLE_IPV6:-}" | tr '[:upper:]' '[:lower:]')
process_folder () {
FILES=$(find "$1" -type f -name "*.conf")
SED_REGEX=
if [ "$DISABLE_IPV6" == "true" ] || [ "$DISABLE_IPV6" == "on" ] || [ "$DISABLE_IPV6" == "1" ] || [ "$DISABLE_IPV6" == "yes" ]; then
# IPV6 is disabled
echo "Disabling IPV6 in hosts in: $1"
SED_REGEX='s/^([^#]*)listen \[::\]/\1#listen [::]/g'
else
# IPV6 is enabled
echo "Enabling IPV6 in hosts in: $1"
SED_REGEX='s/^(\s*)#listen \[::\]/\1listen [::]/g'
fi
for FILE in $FILES
do
echo "- ${FILE}"
echo "$(sed -E "$SED_REGEX" "$FILE")" > $FILE
done
# ensure the files are still owned by the npm user
chown -R "$PUID:$PGID" "$1"
}
process_folder /etc/nginx/conf.d
process_folder /data/nginx