Simple STK git updater

stk-update

#!/bin/bash
assetstriger=false
codetriger=false
compiler=g++
. /etc/stk-update

startupdate(){
 if zenity --question --title=SuperTuxKart --text='Есть обновления SuperTuxKart. Поставить?' --icon-name=supertuxkart --ok-label=Поставить --cancel-label=Потом --modal
 then
  BUILD_DIR="$BASEDIR"/stk-code/cmake_build 
  cd $BUILD_DIR
  cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_CXX_COMPILER="$compiler" ..
  make -j $jobscount | tee /dev/stderr | grep -o --line-buffered '\[.*\%\]' | grep --line-buffered -oE '[0-9]*' | zenity --progress --auto-kill --title="Компилятор" --text="Компиляция supertuxkart"
  killall supertuxkart 2>/dev/null && sleep 5
  pkexec sh -c "cd ${BUILD_DIR} && make install"
  rm -f "$BASEDIR"/stk-code/needtoupdate
 else
  touch "$BASEDIR"/stk-code/needtoupdate
  echo "Aborted." 1>/dev/stderr
  return 0
 fi
}

checkupdate(){
 cd "$BASEDIR"/stk-assets
 if [ $(svn update | wc -l) -gt 2 ]
 then
  assetstriger=true
 fi
 cd "$BASEDIR"/stk-code
 old_hash=$(git rev-parse HEAD)
 git pull
 if [ $old_hash !=  $(git rev-parse HEAD) ] # Last commit is different
 then
  codetriger=true
 fi

 if $codetriger || $assetstriger
 then
  return 0
 else
  return 1
 fi
}


if checkupdate || [ -e "$BASEDIR"/stk-code/needtoupdate ]
then
 startupdate
fi

stk-update (in etc)

BASEDIR=/home/v/compile # Dir with stk-code and stk-assets inside
compiler=/usr/bin/zapcc++ # Your C++ compiler
jobscount=4 # Count of build jobs
# Hint: you can use ping for setting up distributed builds
# Manually create "$BASEDIR"/stk-code/needtoupdate to force rebuild