update reflex server

reflex_update

#!/bin/bash
#
# update (a single) reflex server
# snapcase 2015
#

REFLEX_DIR="$HOME/reflex"
APPID=329740

die()   { error "$*"; exit 1; }
error() { printf "error: $*\n" >&2; }
info()  { printf ":: $*\n"; }

local_version() {
  find $REFLEX_DIR -iname '*.acf' | \
    xargs sed -n 's|.*"buildid"\t\t"\([^"]*\)"|\1|p'
}

remote_version() {
  local version

  version="$(steamcmd +login anonymous +app_info_print $APPID +force_install_dir ./4 +app_update 4 +app_info_print $APPID +quit | \
    sed -n \
      '1,/^\t\{2\}"branches"$/d
       /^\t\{2\}"branches"$/,/^\t\{2\}}$/{
        /"public"$/,/}/ s|.*buildid"\t\{2\}"\([0-9]\+\)".*|\1|p
      }')"

  printf "%d\n" $version
  [[ $version =~ ^[0-9]+$ ]]
}

get_display() {
  DISPLAY="$(pgrep -U $USER -lf Xvfb | sed -n 's|^[0-9]\+\sXvfb\s\(:[0-9]\+\).*|\1|p')"
  [[ $DISPLAY ]]
}

# update and restart
update() {
  steamcmd \
    +@sSteamCmdForcePlatformType windows \
    +login anonymous \
    +force_install_dir $REFLEX_DIR \
    +app_update $APPID validate \
    +quit >/dev/null

  # wait for everyone to leave the server
  # we don't want to kill it mid game
  until [ $(players) -eq 0 ]; do
    sleep 25
  done
  pkill -U $USER reflexded.exe
}

# check window title for players
players() {
  xwininfo -display $DISPLAY -root -children | \
    sed -n 's|.*\([0-9]\+\)/[0-9]\+ players.*\"reflexded.exe".*|\1|p'
}

# main

# make sure an instance of this
# script is not already running
for pid in $(pidof -x "$0"); do
  if [ $pid != $$ ]; then
    die "already running"
  fi
done

# determine versions
local_version=$(local_version)
remote_version=$(remote_version) || die "potential steam error"

if [[ $local_version != $remote_version ]]; then
  get_display || die "display not found"
  update
  info "updated"
else
  info "nothing to do"
fi

start.sh

#!/bin/sh

WINEDEBUG=-all
HOSTNAME="My Reflex Server"

cd $HOME/reflex$1

while true; do
  xvfb-run \
    --auth-file=$HOME/.Xauthority \
    --server-num=0 \
    --server-args='-screen 0 640x480x16' \
    wine reflexded.exe +sv_hostname $HOSTNAME +sv_public 0
  sleep 1
done