#!/bin/bash

set -x

set -e

options="$*"

option="$1"

tmp=/tmp/test_builds.$$

rm -f -r ${tmp}

mkdir -p ${tmp}

errMessages=${tmp}/error_messages.txt

#######

# Error function

error() # message

{

   echo "ERROR: $1" | tee -a ${errMessages}

}

# Check errors

checkErrors()

{

    if [ -s ${errMessages} ] ; then

        cat ${errMessages}

	exit 1

    fi

}

#######

os="`uname -s`"

arch="`uname -p`"

make=make

if [ "${os}" = "SunOS" ] ; then

  make=gmake

  export J7="/opt/java/jdk1.7.0"

elif [ "${os}" = "Darwin" ] ; then

  export J7="/Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home"

elif [ "${os}" = "Linux" -a "${arch}" = "x86_64" ] ; then

  export J7="/usr/lib/jvm/java-7-openjdk-amd64/"

else

  echo "What os/arch is this: ${os}/${arch}"

  exit 1

fi

# Must have a jdk7

if [ ! -d ${J7} ] ; then

  echo "No JDK7 found at: ${J7}"

  exit 1

fi

# What sources we use

fromroot="http://hg.openjdk.java.net/build-infra/jdk8"

# Where we do it

root="testbuilds"

mkdir -p ${root}

# Three areas, last three are cloned from first to insure sameness

t0=${root}/t0

t1=${root}/t1

t2=${root}/t2

t3=${root}/t3

repolist="${t0} ${t1} ${t2} ${t3}"

# Optional complete clobber

if [ "${option}" = "clobber" ] ; then

  for i in ${repolist} ; do

    rm -f -r ${i}

  done

fi

# Get top repos

if [ ! -d ${t0}/.hg ] ; then

  rm -f -r ${t0}

  hg clone ${fromroot} ${t0}

fi

for i in ${t1} ${t2} ${t3} ; do

  if [ ! -d ${i}/.hg ] ; then

    hg clone ${t0} ${i}

  fi

done

# Get repos updated

for i in ${repolist} ; do

  ( \

    set -e \

    && cd ${i} \

    && sh ./get_source.sh \

    || error "Cannot get source" \

  ) 2>&1 | tee ${i}.get_source.txt

  checkErrors

done

# Optional clean

if [ "${option}" = "clean" ] ; then

  for i in ${repolist} ; do

    rm -f -r ${i}/build

    rm -f -r ${i}/*/build

    rm -f -r ${i}/*/dist

  done

fi

# Check changes on working set files

for i in ${repolist} ; do

  ( \

    set -e \

    && cd ${i} \

    && sh ./make/scripts/hgforest.sh status \

    || error "Cannot check status" \

  ) 2>&1 | tee ${i}.hg.status.txt

  checkErrors

done

# Configure for build-infra building

for i in ${t1} ${t2} ; do

  ( \

    set -e \

    && cd ${i}/common/makefiles \

    && sh ../autoconf/configure --with-boot-jdk=${J7} \

    || error "Cannot configure" \

  ) 2>&1 | tee ${i}.config.txt

  checkErrors

done

# Do build-infra builds

for i in ${t1} ${t2} ; do

  ( \

    set -e \

    && cd ${i}/common/makefiles \

    && ${make}  \

      FULL_VERSION:=1.8.0-internal-b00 \

      JRE_RELEASE_VERSION:=1.8.0-internal-b00 \

      USER_RELEASE_SUFFIX:=compare \

      RELEASE:=1.8.0-internal \

      VERBOSE= \

      LIBARCH= \

         all images \

    || error "Cannot build" \

  ) 2>&1 | tee ${i}.build.txt

  checkErrors

done

# Compare build-infra builds

( \

  sh ${t0}/common/bin/compareimage.sh \

    ${t1}/build/*/images/j2sdk-image \

    ${t2}/build/*/images/j2sdk-image \

    || error "Cannot compare" \

) 2>&1 | tee ${root}/build-infra-comparison.txt

checkErrors

# Do old build

unset JAVA_HOME

export ALT_BOOTDIR="${J7}"

( \

  cd ${t3} \

  && ${make} FULL_VERSION='"1.8.0-internal" sanity \

  || error "Cannot sanity" \

) 2>&1 | tee ${t3}.sanity.txt

checkErrors

( \

  cd ${t3} \

  && ${make} \

      FULL_VERSION='"1.8.0-internal" \

      JRE_RELEASE_VERSION:=1.8.0-internal-b00 \

      USER_RELEASE_SUFFIX:=compare \

      RELEASE:=1.8.0-internal \

  || error "Cannot build old way" \

) 2>&1 | tee ${t3}.build.txt

checkErrors

# Compare old build to build-infra build 

( \

  sh ${t0}/common/bin/compareimage.sh \

    ${t3}/build/*/j2sdk-image \

    ${t1}/build/*/images/j2sdk-image \

    || error "Cannot compare" \

) 2>&1 | tee ${root}/build-comparison.txt

checkErrors

exit 0