#! /bin/sh
# edk-ecos-import-upstream -- imports the latest eCos from upstream CVS into
# the local ecos repository.
#
# Instructions:
# 1. Run
#    $ edk-ecos-import-upstream <directory>
# 2. Manually fix conflicts in <directory>/ecos-merged
# 3. Run
#    $ edk-ecos-import-upstream <directory>


set -e

if [ -z "$1" ]; then
    echo "Usage:"
    echo "  $(basename $0) <directory>"
    exit 1
fi

TOPDIR=$1

LATEST_IMPORT_TAG=ECOS_LATEST_IMPORT
TAG_DATE=$(date "+%Y%m%d")
HUMAN_DATE=$(date)

if [ -e ${TOPDIR}/ecos -o -e ${TOPDIR}/ecos-merged ]; then
    echo "$(basename $0): \`${TOPDIR}' contains a possible ecos repository already"
    exit 1
fi

# Grab the latest eCos upstream...
cd $TOPDIR
cvs -d :pserver:anoncvs@sources.redhat.com:/cvs/ecos login
cvs -z3 -d :pserver:anoncvs@sources.redhat.com:/cvs/ecos co -P ecos
cd ecos
find -type d -a -name CVS |  xargs rm -r
cvs import -m "Imported from upstream CVS (${HUMAN_DATE})." ecos upstream ECOS_${TAG_DATE}

cd $TOPDIR
cvs co -j$LATEST_IMPORT_TAG -jECOS_${TAG_DATE} -d ecos-merged ecos

echo -e "\n*\n* Manually fix conflicts in \`${TOPDIR}/ecos-merged'.\n*\n"
echo "Then run \`edk-ecos-commit-merge ${TOPDIR}'."