#!/bin/bash
# Script used by CI to build the ARM Trusted Firmware

error_count=0
built_count=0

function count_errors {
  if [ $1 -ne 0 ]; then
    error_count=$(($error_count + 1))
  else
    built_count=$(($built_count + 1))
  fi
  return $1
}

set -e

if [ -z "${WORKSPACE}" ]; then
  # Local build
  export WORKSPACE=`pwd`
  export BUILD_NUMBER=0
  export JOB_NAME=${JOB_NAME:-fvp-pre-boot}
fi

case "${JOB_NAME}" in
  fvp-pre-boot)
    repo=arm-trusted-firmware
    repo_url=git://git.linaro.org/arm/models
    branch=linaro
    ;;
  fvp-pre-boot-master)
    repo=arm-trusted-firmware
    repo_url=git://git.linaro.org/arm/models
    branch=master
    ;;
  fvp-pre-boot-upstream)
    repo=arm-trusted-firmware
    repo_url=http://github.com/ARM-software
    branch=master
    ;;
  *)
    echo "Invalid JOB_NAME $JOB_NAME"
    exit 1
    ;;
esac

pkg_source=${JOB_NAME}
pkg_repository=$repo_url/${repo}.git

if [ ! -e ${pkg_repository} ]; then
  git clone --depth 1 ${pkg_repository} -b ${branch}
fi

scm_commit=`cd ${repo} && git log -n1 --pretty=format:%h`
if [ -z "${scm_commit}" ]; then
  echo "Invalid git revision: ${scm_commit}" >&2
  exit 1
fi

base_version=0.2.`date +%Y%m%d`
pkg_version=${base_version}+git${BUILD_NUMBER}+${scm_commit}
pkg_dir=${pkg_source}-${pkg_version}

unset ARCH
export builddir=${WORKSPACE}/${JOB_NAME}-build
export REPO_WORKSPACE=${WORKSPACE}/${repo}
export CROSS_COMPILE=${CROSS_COMPILE:-aarch64-linux-gnu-}

rm -rf ${builddir} && mkdir -p ${builddir}

# Create source tarball
cd ${REPO_WORKSPACE}
git checkout ${branch}
git archive --format=tar --prefix=${pkg_dir}/ ${branch} | bzip2 > ${pkg_source}_${pkg_version}.orig.tar.bz2
mv ${pkg_source}_${pkg_version}.orig.tar.bz2 ${builddir}
cd ${WORKSPACE}

# disable exit on error
set +e

cd ${REPO_WORKSPACE}
make
count_errors $?
cp -a ${REPO_WORKSPACE}/bl*.bin ${builddir}

# If nothing build, return an error
if [ $built_count -eq 0 ]; then
  exit $error_count
fi

# We want to return 0 if something built so that the files get copied to snapshots.linaro.org
exit 0