docker-minecraft-server/scripts/start

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#!/bin/bash
# shellcheck source=start-utils
. "${SCRIPTS:-/}start-utils"
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# The Dockerfile ENVs take precedence here, but defaulting for testing consistency
: "${UID:=1000}"
: "${GID:=1000}"
umask "${UMASK:=0002}"
# Remove from previous run and do this as elevated user since file used to be created before demoting
rm -f "$HOME/.rcon-cli.env"
if ! isTrue "${SKIP_SUDO:-false}" && [ "$(id -u)" = 0 ]; then
runAsUser=minecraft
runAsGroup=minecraft
if [[ -v UID ]]; then
if [[ $UID != 0 ]]; then
if [[ $UID != $(id -u minecraft) ]]; then
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log "Changing uid of minecraft to $UID"
usermod -u $UID minecraft
fi
else
runAsUser=root
fi
fi
if [[ -v GID ]]; then
if [[ $GID != 0 ]]; then
if [[ $GID != $(id -g minecraft) ]]; then
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log "Changing gid of minecraft to $GID"
groupmod -o -g "$GID" minecraft
fi
else
runAsGroup=root
fi
fi
if [[ $(stat -c "%u" /data) != "$UID" ]]; then
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log "Changing ownership of /data to $UID ..."
chown -R ${runAsUser}:${runAsGroup} /data
fi
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if [[ ${SKIP_NSSWITCH_CONF^^} != TRUE ]]; then
echo 'hosts: files dns' > /etc/nsswitch.conf
fi
distro=$(getDistro)
if [[ $distro == alpine ]]; then
exec su-exec ${runAsUser}:${runAsGroup} "${SCRIPTS:-/}start-configuration" "$@"
else
exec gosu ${runAsUser}:${runAsGroup} "${SCRIPTS:-/}start-configuration" "$@"
fi
else
exec "${SCRIPTS:-/}start-configuration" "$@"
fi