#!/bin/bash

# Simple Unix shell script to build STX:LIBJAVA using Jenkins CI

# Actually, it is used on Windows (with UnxUtils) as well.

PROJECT="STX_LIBJAVA"

# Determine operating system, bit simple but works

if [ "$OS" == "Windows_NT" ]; then

    WIN32=1

    UNIX=0

else

    WIN32=0

    UNIX=1

fi

# Setup...

if [ "$WIN32" == "1" ]; then

    # WINDOWS

    # MUST export this, otherwise libjpeg fails to build!!!"

    export BCB="C:\Borland\BCC55"

    # To make cvs/ssh happy

    export CVS_RSH=plink

    # Set home

    export HOME=$USERPROFILE

    # Defaults

    export CVSROOT=":pserver:jenkinsBuild:blablu@cvs.bh.exept.de:/cvs/stx"

    # Make using bmake here..."

    MAKE="cmd /C bmake.bat"

else

    # LINUX

    # to get Mercurial

    export PATH=$PATH:/home/vrany/bin

    if [ $(uname -n) == 'exeptn' ]; then

    	# On exeptn, default Java is 1.4, sigh

    	export PATH=/usr/java/jdk1.7.0_13/bin:$PATH

    fi

    # Make using regular make here..."

    MAKE=make

    # Defaults

    export CVSROOT="/cvs/stx"

fi

# Sorry, it's lot easier for JV to have all the messages in EN :-)

export LANG=en_GB.UTF-8

# When run interactively, Jenkins env variables

# may not be set...

if [ -z "$WORKSPACE" ]; then

  WORKSPACE="$PWD"

    INTERACTIVE=1

else

    INTERACTIVE=0

fi

if [ "$INTERACTIVE" == "0" ]; then

  if [ "$WIN32" == "1" ]; then

    WORKSPACE="$PWD"

  fi

fi

if [ -z "$BUILD_NUMBER" ]; then

    BUILD_NUMBER=$(date +%Y_%m_%d_interactive)

fi

#BUILD="$WORKSPACE/${PROJECT}_${BUILD_NUMBER}_linux_build"

BUILD="build"

echo "INFO: BUILD=\"$BUILD\""

if [ -d "$BUILD" ]; then

  echo "WARN: Build directory already exists!"

else

    mkdir -p "$BUILD"

fi

pushd "$BUILD"

function checkout_hg {

	local directory=$1

	local repository=$2

	local branch=$3

	if [ -z "$branch" ]; then

		branch=default

	fi

    if [ -d "$directory/CVS" ]; then

      rm -rf "$directory"

    fi

    if [ ! -d "$directory" ]; then

      if ! hg clone "$repository" "$directory" -b "$branch";  then

        echo "ERROR: HG: Cannot clone $directory";

        exit;

      fi

    else

      if ! hg --cwd "$directory" pull;  then

        echo "ERROR: HG: Cannot pull $directory";

        exit;

      fi

      if ! hg --cwd "$directory" update;  then

        echo "ERROR: HG: Cannot update $directory";

        exit;

      fi

    fi

}

if [ -z "$SKIP_CHECKOUT" ]; then

    echo "INFO: Checking out source code"

    # Checkout stx

    if [ ! -d stx ]; then

      if ! cvs co stx; then

        echo "ERROR: CVS: Cannot checkout stx";

        exit;

      fi

    else

      (cd stx && cvs update -d)

    fi

    checkout_hg stx/stc /home/vrany/repositories/hg/stx.stc jv

    checkout_hg stx/librun /home/vrany/repositories/hg/stx.librun jv

    # stx:libjava repo is huge, so first update from local cache

    # and then fetch updates from BitBucket.  

    if [ $(uname -n) == 'exeptn' ]; then

       checkout_hg stx/libjava /home/vrany/repositories/hg/stx.libjava development

    fi

    checkout_hg stx/libjava https://janvrany@bitbucket.org/janvrany/stx-libjava development

else

    echo "INFO: Checkout skipped (SKIP_CHECKOUT=$SKIP_CHECKOUT)"

fi

# Compile

if [ -z "$SKIP_COMPILE" ]; then

    if [ "$UNIX" == "1" ]; then

	if [ ! -f stx/configurations/myConf ]; then

	    (cd stx && ./CONFIG)

	fi

	# Hack...

        if [ ! -f stx/stc/makefile ]; then

            (cd stx/stc && ../rules/stmkmf)

        fi

        if [ ! -f stx/librun/makefile ]; then

            (cd stx/librun && ../rules/stmkmf)

        fi

    fi

    echo "INFO: Compiling"

    TARGETS1="stx stx/libjava stx/goodies/petitparser stx/libjava/tools stx/libjava/experiments stx/projects/smalltalk stx/librun"

    for target in $TARGETS1; do

      if ! (cd "$target" && $MAKE); then

        echo "ERROR:  cannot $MAKE in $target"

        exit 3

      fi

    done

else

    echo "INFO: Compilation skipped (SKIP_COMPILE=$SKIP_COMPILE)"

fi

popd

echo "INFO: $PROJECT SUCCESSFULLY BUILT"