setup_build

#!/bin/bash
#
# Copyright (c) 2014 Citrix Systems, Inc.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

set -e

# This script sets up a build environment for building
# XenClient using OpenEmbedded.

# Usage: ./setup_build

# See README file for details.
# See COPYING file for license.

# Default configuration section
# Do not edit this, override in local.settings instead e.g.
# if you have local copies of the repositories

usage()
{
        echo "$0: [-v]"
}


while [ "$#" -ne 0 ]; do
        case "$1" in
                -v) set -x; shift 1;;
                --) shift ; break ;;
                -*) usage ; exit 1;;
	        *) break ;;
        esac
done


BITBAKE_REPO=git://git.openembedded.org/bitbake.git
# maybe use something more "release-like"
BITBAKE_TAG=f8bf4499549f978ce7c93bc088a66f74cd751e2c

OE_CORE_REPO=git://git.openembedded.org/openembedded-core
OE_CORE_TAG=5433da972f2994f7176597d89499ccb65f876f88

META_OE_REPO=git://git.openembedded.org/meta-openembedded
META_OE_TAG=24e1ebc21da20240a41984b7f5c90aa9bd65a7e8

META_JAVA_REPO=https://github.com/woglinde/meta-java.git
META_JAVA_TAG=5d528acac0eab6cfaa4ed3c290c7db3acd5047bf

META_SELINUX_REPO=git://git.yoctoproject.org/meta-selinux
META_SELINUX_TAG=8e952c7da126d30f4aecb33abd3ef9252785cb40

# End of configuration

die() {
    echo "FATAL: $*"
    exit 1
}

# Usage: getgit LOCALDIR REPO TAG
getgit() {
    rm -rf "$1.tmp"
    [ -d "$1" ] && return
    git clone -n $2 "$1.tmp" || die "Clone repo failed: $2"

    pushd "$1.tmp"
    set +e
    git checkout $3 2> /dev/null || git checkout -b $3 origin/$3

    current_branch=`git branch | grep -e ^* | cut -d ' ' -f2-`
    if [ "$current_branch" != "$3" ]; then
        git checkout -b $3
    fi
    set -e
    popd
    mv "$1.tmp" "$1"
}

OE_XENCLIENT_DIR=`pwd`
export OE_XENCLIENT_DIR

[ -f "$OE_XENCLIENT_DIR/local.settings" ] && . "$OE_XENCLIENT_DIR/local.settings"

REPOS=$OE_XENCLIENT_DIR/repos
if [ "$1" != "env" ]; then
  mkdir -p $REPOS || die "Could not create local build dir"

  getgit $REPOS/xenclient-oe $XENCLIENT_REPO $XENCLIENT_TAG
  getgit $REPOS/bitbake $BITBAKE_REPO $BITBAKE_TAG
  for p in `pwd`/repos/xenclient-oe/patches/bitbake/*.patch; do
      if [ ! -f "$p.APPLIED" ]; then
        echo "Applying BitBake patch: $p"
	pushd $REPOS/bitbake
        git apply $p || true
	popd
	touch "$p.APPLIED"
      fi
  done
  getgit $REPOS/openembedded-core $OE_CORE_REPO $OE_CORE_TAG
  getgit $REPOS/meta-openembedded $META_OE_REPO $META_OE_TAG
  getgit $REPOS/meta-java $META_JAVA_REPO $META_JAVA_TAG
  getgit $REPOS/meta-selinux $META_SELINUX_REPO $META_SELINUX_TAG
  if [ ! -z "$EXTRA_DIR" ]; then
    getgit $REPOS/$EXTRA_DIR $EXTRA_REPO $EXTRA_TAG
  fi
fi

if [ ! -e $OE_XENCLIENT_DIR/conf/local.conf ]; then
  ln -s $OE_XENCLIENT_DIR/conf/local.conf-dist \
      $OE_XENCLIENT_DIR/conf/local.conf
fi

BBPATH=$OE_XENCLIENT_DIR/oe/xenclient:$REPOS/openembedded:$OE_XENCLIENT_DIR/oe-addons
if [ ! -z "$EXTRA_DIR" ]; then
  BBPATH=$REPOS/$EXTRA_DIR:$BBPATH
fi

cat > oeenv <<EOF 
OE_XENCLIENT_DIR=$OE_XENCLIENT_DIR
PATH=$OE_XENCLIENT_DIR/repos/bitbake/bin:\$PATH
BBPATH=$BBPATH
BB_ENV_EXTRAWHITE="OE_XENCLIENT_DIR MACHINE GIT_AUTHOR_NAME EMAIL"

export OE_XENCLIENT_DIR PATH BBPATH BB_ENV_EXTRAWHITE
EOF