#!/bin/sh

help()
{
	echo "Generate and add eclipse help from yocto's documentation"
	echo -e "Usage: $0 BRANCH_NAME | TAG_NAME PLUGIN_FOLDER\n"
	echo "Options:"
	echo "-h - display this help and exit"
	echo "TAG_NAME - tag to build the documentation upon"
	echo "BRANCH_NAME - branch to build the documentation upon"
	echo "PLUGIN_FOLDER - root folder of the eclipse-poky project"
	exit 1
}

fail ()
{
  local retval=$1
  shift $1
  echo "[Fail $retval]: $*"
  echo "BUILD_TOP=${BUILD_TOP}"
  cd ${TOP}
  exit ${retval}
}

CHECKOUT_TAG=0
while getopts ":h" opt; do
	case $opt in
		h)
			help
			;;
	esac
done
shift $(($OPTIND - 1))

if [ $# -ne 2 ]; then
	help
fi

PLUGIN_FOLDER=`readlink -f $2`

TOP=`pwd`

DOC_DIR=${PLUGIN_FOLDER}/docs
rm -rf ${DOC_DIR}
DOC_PLUGIN_DIR=${PLUGIN_FOLDER}/plugins/org.yocto.doc.user
DOC_HTML_DIR=${DOC_PLUGIN_DIR}/html/

# git clone
DOC_GIT=http://git.yoctoproject.org/git/yocto-docs
git clone ${DOC_GIT} ${DOC_DIR} || fail $? "git clone ${DOC_GIT}"
cd ${DOC_DIR}

git checkout $1 || fail $? "git checkout $1"
COMMIT_ID=`git rev-parse HEAD`

DOCS="brief-yoctoprojectqs overview-manual dev-manual sdk-manual \
      bsp-guide kernel-dev profile-manual ref-manual"

# build and copy
cd documentation
for DOC in ${DOCS}; do
	make DOC=${DOC} eclipse || fail $? "make DOC=${DOC} eclipse"
	cp -rf ${DOC}/eclipse/html/* ${DOC_HTML_DIR}
	cp -f ${DOC}/eclipse/${DOC}-toc.xml ${DOC_HTML_DIR}
done

sed -e "s/@.*@/${COMMIT_ID}/" < ${DOC_PLUGIN_DIR}/about.html.in > ${DOC_PLUGIN_DIR}/about.html

cd ${TOP}