#!/bin/bash 

# Simple Unix shell script to build Mercurial using Jenkins CI

# Designed to run under Cygwin as well. 

PROJECT="Mercurial Support"

# ### START OF common.sh.in ##########################################

#

# Common set of function to build a project. 

# 

# Determine operating system, bit simple but works

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

    WIN32=1

    UNIX=0

else

    WIN32=0

    UNIX=1

fi

# =====================================================

# Utility functions

# =====================================================

# Simple logging functions

function info {

    echo "[INF] $1"

    if [ ! -z "$2" ]; then

        echo "      $2"

    fi

}

function error {

    echo     "[ERR] $1"

    if [ ! -z "$2" ]; then

        echo "      $2"

    fi

    exit 1

}

# Run make in current directory. Caller should cd to target 

# directory before calling this method.

function mk {

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

    	cmd /C bmake.bat $1 $2

    else

    	if [ ! -f makefile ]; then

    	   if [ -f Makefile ]; then

    	   	make mf || error "Failed to generate makefile (make mf)"

    	   else

    	   	make -f Makefile.init mf || error "Failed to generate makefile (make -f Makefile.init mf)"

    	   fi

    	fi

    	make $1 $2 || error "Make failed"

    fi

}

# Run tests for package specified in first argument. 

function sunit {    

    pushd stx/goodies/builder/reports

    info "Running tests for $1"

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

        cmd /C report-runner.bat -D ../../../.. -r Builder::TestReport -p "$1" || error "Failed to run reports"

    else

        (echo "" | ./report-runner.sh -D ../../../.. -r Builder::TestReport -p "$1") || error "Failed to run reports"

    fi

    popd

}

# Main function. Performs complete build or given task

function main {

    pushd "$BUILD"

    if [ -z "$1" ]; then

    	info "Checking out..."

    	checkout

    	info "Compiling..."

    	compile

    	info "Running tests..."

    	runtests

    else

        case "$1" in

            checkout)

    	        info "Checking out..."

    	        checkout;;

            compile)

                info "Compiling..."

    	        compile;;

            tests)

    	        info "Running tests..."

    	        runtests;;

            test)

    	        info "Running tests..."

    	        runtests;;

            *)

                error "Invalid command ($1)"

        esac

    fi

    popd

    exit 0

}

# Setup...

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

    # WINDOWS

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

    if [ -z "$BCB"]; then

        export BCB="C:\Borland\BCC55"

    fi

    # To make cvs/ssh happy

    if [ -z "$CVS_RSH" ]; then

        export CVS_RSH=plink

    fi

    # Set home

    export HOME=$USERPROFILE

else

    # LINUX

    # to get Mercurial on build slave

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

fi

if [ -z "$CVSROOT" ]; then

    error "CVSROOT not set!"

fi

# Sorry, it's lot easier for all 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="."

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

if [ -d "$BUILD" ]; then

    if [ "$BUILD" != "." ]; then

        info "Build directory already exists!"

    fi

else

    mkdir -p "$BUILD"

fi

# ===================================================================

# Actual build functions. 

# ===================================================================

#

# User scripts should override following functions to define a build

function checkout {

    error "You have to override function 'checkout'"

}

function compile {

    error "You have to override function 'compile'"

}

function runtests {

    info "No tests specified" "To do so, override function runtests"

}

# ### END OF common.sh.in ############################################

# Checkout

function checkout {

    # Checkout stx

    if [ ! -d stx ]; then

      if ! cvs co stx; then

        error "CVS: Cannot checkout stx";

      fi

    #else

    #  (cd stx && cvs update -d)

    fi

    # Checkout stx:libscm

    repo="https://bitbucket.org/janvrany/stx-libscm"

    if [ ! -d stx/libscm ]; then

        hg clone "$repo" stx/libscm || error "HG: cannot clone stx:libscm"

    else

        hg --cwd stx/libscm pull "$repo" || error "HG: cannot pull stx:libscm"

        hg --cwd stx/libscm update || error "HG: cannot update stx:libscm"

    fi

}

# Compile

function compile {

    TARGETS1="stx stx/libscm/common stx/libscm/mercurial stx/librun"

    for target in $TARGETS1; do

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

        echo "ERROR:  cannot $MAKE in $target"

        exit 3

      fi

    done

}

function runtests {

    sunit "stx:libscm/mercurial"

}

# Now, call main

main $1 $2 $3