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#!/bin/bash
DIR=
ISRUNNING=
DRYRUN=
while [ "$#" -gt 0 ]; do
case "$1" in
-d)
DIR="$2"
shift 2
;;
--is-running)
ISRUNNING=1
shift
;;
--dryrun)
DRYRUN=1
shift
;;
*)
break
;;
esac
done
if [ -z "$ISRUNNING" -a -z "$DRYRUN" -a "$#" -eq 0 ]; then
cat <<EOF
Usage: craftbukkit-mcrcon [OPTIONS] [MCRCON-OPTIONS]... [COMMANDS]...
Calls mcrcon with proper host, port, and password for the currently running
minecraft server.
Options:
-d DIR Specifies the server directory being used, to distinguish which
server to access when using minecraft@.service, craftbukkit@.service,
or spigot@.service. After the path is made absolute, the encoded form
("systemd-escape -p") should match the instance name (part after
the @). Empty string means no instance (same as not providing the
argument).
--is-running Does not run command. Exit code 0 if Minecraft is running
--dryrun Does not run command. Exit code 0 if rcon available
Examples:
craftbukkit-mcrcon "say hello world!"
craftbukkit-mcrcon "say line 1" "say line 2"
craftbukkit-mcrcon -c help
craftbukkit-mcrcon -t
craftbukkit-mcrcon -d /srv/spigot/ "say hello world!"
EOF
exit 1
fi
RUNTIME_DIR=/run/craftbukkit
if [ ! -z "$DIR" ]; then
if [ ! -d "$DIR" ]; then
echo "Not a directory: $DIR" >&2
exit 1
fi
DIR="$(cd "$DIR" && pwd)"
if [ -z "$DIR" ]; then
echo "Failed to compute runtime directory" >&2
exit 1
fi
RUNTIME_DIR="/run/craftbukkit@$(systemd-escape -p "$DIR")"
fi
VARS="$RUNTIME_DIR/vars"
if [ ! -e "$VARS" ]; then
echo "Minecraft not currently running" >&2
exit 1
fi
if [ ! -z "$ISRUNNING" ]; then
exit 0
fi
. "$VARS"
if [ ! -r "$VARS" ]; then
echo "Make sure you are part of the craftbukkit group" >&2
exit 1
fi
if [ "$rcon" != true ]; then
echo "rcon must be enabled in server.properties and mcrcon installed" >&2
exit 1
fi
if [ ! -z "$DRYRUN" ]; then
exit 0
fi
# Issue command passed to this script as an argument
exec /usr/bin/mcrcon -H localhost -P "$port" -p "$password" "$@"
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