Sample script to bootstrap closure based development environment

env.sh

#!/bin/bash

APPSDIR=apps/
SRCDIR=src/
LIBDIR=library/
GCCDIR=compiler/
SOYDIR=templates/
GSSDIR=stylesheets/
PSTJLIBDIR=pstj/
SMJSLIBDIR=smjs/
EXTERNSDIR=externs/
LIBREPO=git@github.com:google/closure-library.git
GCCREPO=git@github.com:google/closure-compiler.git
SOYREPO=git@github.com:google/closure-templates.git
GSSREPO=git@github.com:google/closure-stylesheets.git
PSTJLIBREPO=git@github.com:pstjvn/pstj-closure.git
SMJSLIBREPO=git@github.com:pstjvn/smjslib.git
EXTERNSREPO=git@github.com:pstjvn/gcc-externs.git

function checks {
  if type -p java; then
    local javaversion=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}')
    if [[ "$javaversion" < "1.8" ]]; then
      echo "Cannot find java 1.8"
      exit 1
    fi
  else
    echo "Cannot find java"
    exit 1
  fi

  if type -p mvn; then
    local mvnversion=$(mvn -version 2>&1 | awk -F ' ' '/Apache Maven/ {print $3}')
    if [[ "$mvnversion" < "3" ]]; then
      echo "Cannot find maven 3"
      exit 1
    fi
  else
    echo "Cannot find mvn / maven"
    exit 1
  fi

}

function alib {
  if [[ ! -d $1 ]]; then
    git clone $2 $1
  else
    cd $1
    git pull
    cd ../
  fi
}

function closurelibrary {
  alib $LIBDIR $LIBREPO
}

function pstjlibrary {
  alib $PSTJLIBDIR $PSTJLIBREPO
  cd $PSTJLIBDIR
  cd nodejs
  npm install
  cd ../../
}

function smjslibrary {
  alib $SMJSLIBDIR $SMJSLIBREPO
}

function externslibrary {
  alib $EXTERNSDIR $EXTERNSREPO
}

function enterapps {
  if [[ ! -d $APPSDIR ]]; then mkdir $APPSDIR; fi
  cd $APPSDIR
}

function exitapps {
  cd ../
}

function libs {
  closurelibrary
  enterapps
  pstjlibrary
  smjslibrary
  externslibrary
  exitapps
}

function closurecompiler {
  local lastversion=

  if [[ ! -d $GCCDIR ]]; then
    mkdir $GCCDIR
  fi

  cd $GCCDIR

  if [[ -e '.lastversion' ]]; then
    lastversion=`cat .lastversion`
  fi

  local currentversion=`git ls-remote $GCCREPO HEAD | awk '{print $1;}'`

  if [[ $lastversion != $currentversion ]]; then
    git clone $GCCREPO $SRCDIR
    cd $SRCDIR
    mvn clean
		mvn package -Dmaven.test.skip=true
    cp target/closure-compiler-1.0-SNAPSHOT.jar ../compiler.jar
    cp target/closure-compiler-linter*.jar ../linter.jar
    cd ../
    rm -rf $SRCDIR
    echo $currentversion > .lastversion
  fi

  cd ../
}

function soycompiler {
  local lastversion=

  if [[ ! -d $SOYDIR ]]; then
    mkdir $SOYDIR
  fi

  cd $SOYDIR

  if [[ -e '.lastversion' ]]; then
    lastversion=`cat .lastversion`
  fi

  local currentversion=`git ls-remote $SOYREPO HEAD | awk '{print $1;}'`

  if [[ $lastversion != $currentversion ]]; then
    git clone $SOYREPO $SRCDIR
    cd $SRCDIR
    mvn clean
		mvn package -Dmaven.test.skip=true
		cp target/*SoyToJsSrcCompiler.jar ../SoyToJsSrcCompiler.jar
		cp target/*SoyMsgExtractor.jar ../SoyMsgExtractor.jar
		cp target/soyutils_usegoog.js ../
		cd ../
		rm -rf $SRCDIR
		python ../library/closure/bin/build/depswriter.py \
		  --path_with_depspath="soyutils_usegoog.js ../../../templates/soyutils_usegoog.js" \
		  --output_file=deps.js ;
    echo $currentversion > .lastversion
  fi

  cd ../
}

function gsscompiler {
  local lastversion=

  if [[ ! -d $GSSDIR ]]; then
    mkdir $GSSDIR
  fi

  cd $GSSDIR

  if [[ -e '.lastversion' ]]; then
    lastversion=`cat .lastversion`
  fi

  local currentversion=`git ls-remote $GSSREPO HEAD | awk '{print $1;}'`

  if [[ $lastversion != $currentversion ]]; then
    git clone $GSSREPO $SRCDIR
    cd $SRCDIR
    mvn clean
    mvn compile assembly:single
		cp target/closure-stylesheets*.jar ../closure-stylesheets.jar
    cd ../
    rm -rf $SRCDIR
    echo $currentversion > .lastversion
  fi

  cd ../
}

function compilers {
  closurecompiler
  soycompiler
  gsscompiler
}

function clang {
  if [[ ! -e clang/bin/clang-format ]]; then
    rm -rf clang*
    wget "http://llvm.org/releases/3.8.0/clang+llvm-3.8.0-x86_64-linux-gnu-ubuntu-16.04.tar.xz"
    tar xf clang+llvm-3.*
    mv clang+llvm-3.* clang
    rm clang+llvm-3.*
  fi
}

checks
libs
compilers
clang