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#!/bin/bash
# Minecraft Java serverdir builder
function fail(){
>&2 echo $@
exit 1
}
# 1: file 2: attribute
function serverprop_get() {
sed -n "s/$2=\(.*\)$/\1/p" "$1"
}
# 1: file 2: attribute 3: value
function serverprop_set() {
if grep -s "^$2=.*$" "$1"; then
sed -i "s/$2=.*$/$2=$3/g" "$1"
else
echo "$2=$3" >> "$1"
fi
}
function confirm() {
[ -z "$NO_INTERACTIVE" ] || return 1
read -p "$@ [y/N] " choice
case $choice in
[yY]*)
return 0;;
*)
return 1
esac
}
# Sub Commands
## world
function world() {
local CMD="$1"
case $CMD in
list) ;&
create) ;&
clone) ;&
backup) ;&
delete) ;&
assign)
shift
eval 'world_$CMD "$@"'
;;
*)
fail "world: Unknown argument $CMD"
esac
exit $?
}
function world_exists() {
[ -d "$WORLDS/$1" ]
return $?
}
function world_list() {
for WORLD in $WORLDS/*/; do
WORLD=$(basename $WORLD)
[ -e "$WORLDS/$WORLD.lock" ] && source "$WORLDS/$WORLD.lock"
[ -z "$ASSIGNED_TO" ] || WORLD="$WORLD (-> $ASSIGNED_TO)"
echo $WORLD
done
}
# 1: world 2: instance
function world_assign() {
local WORLD="$1"
local INSTANCE="$2"
world_exists "$WORLD" \
|| ( confirm "World not found. Create?" \
&& world_create "$WORLD" \
|| fail "World $WORLD not found." )
[ -f "$WORLDS/$WORLD.lock" ] && fail "$WORLD is already used by another instance."
echo "ASSIGNED_TO=\"$INSTANCE\"" > "$WORLDS/$WORLD.lock"
ln -s "$WORLDS/$WORLD" "$INSTANCES/$INSTANCE"
serverprop_set "$INSTANCES/$INSTANCE/server.properties" level-name "$WORLD"
}
# 1: name
function world_create() {
world_exists "$1" && fail "World already exists"
mkdir "$WORLDS/$1"
}
## instance
function instance() {
local CMD="$1"
case $CMD in
list) ;&
create) ;&
delete) ;&
start) ;&
stop) ;&
status)
shift
eval 'instance_$CMD "$@"'
;;
*)
fail "instance: Unknown argument $CMD"
esac
exit $?
}
function instance_list() {
for INSTANCE in $INSTANCES/*/; do
INSTANCE="$(basename "$INSTANCE")"
instance_status "$INSTANCE" > /dev/null 2>&1 && INSTANCE+=" (RUNNING)"
echo "$INSTANCE"
done
return 0
}
function instance_status() {
instance_exists "$1" || fail "instance $1 not found."
local PWD="$(pwd)"
cd "$INSTANCES/$1"
$RUNNER status
local RET=$?
cd "$PWD"
return $RET
}
function instance_exists() {
[ -d "$INSTANCES/$1" ]
return $?
}
# 1: name 2: world 3: version
function instance_create() {
local NAME="$1"
local WORLD="$2"
local VERSION="$3"
instance_exists "$NAME" && fail "$NAME already exists."
mkdir "$INSTANCES/$NAME"
version_install "$NAME" "$VERSION"
confirm "Accept minecraft EULA?" && serverprop_set "$INSTANCES/$NAME/eula.txt" eula true
world_assign "$WORLD" "$NAME"
}
function instance_start() {
instance_exists "$1" || fail "instance $1 not found."
# TODO
}
## version
function version() {
fail "not implemented"
}
function version_exists() {
[ -f "$VERSIONS/$1.jar" ]
return $?
}
# 1: instance 2: version
function version_install() {
instance_exists "$1" || fail "instance $1 not found."
version_exists "$2" || fail "version $2 not found."
local PWD=$(pwd)
cd "$INSTANCES/$1"
[ -e "$2.jar" ] && rm "$2.jar"
ln -s "$VERSIONS/$2.jar" "$2.jar"
serverprop_set settings.sh MCJAR "$2.jar"
cd "$PWD"
}
# NO_INTERACTIVE=1
PREFIX=$(pwd)
VERSIONS="$PREFIX/versions"
WORLDS="$PREFIX/worlds"
INSTANCES="$PREFIX/instances"
RUNNER="$PREFIX/runner.sh"
[ -x ./settings.sh ] || fail "settings.sh not found."
source ./settings.sh
CMD="$1"
case $CMD in
world) ;&
instance) ;&
version)
shift
eval '$CMD "$@"'
;;
*)
fail "Unknown option $1"
esac
|