oe-repos-update

#!/bin/sh
# Automate update repos derived from:
# http://gitorious.org/vjaquez-beagleboard/marmita

OEROOT=`pwd`
GIT=`which git` || exit 1
GIT="${GIT} --no-pager"
TARGET=$1

checkout () {
    $GIT checkout $1
}

branch () {
    $GIT checkout -b $1 $2
}

branch_exists () {
    out=$($GIT branch | grep $1)
    if [ -z $out ]; then
	return 0;
    fi
    return 1;
}

checkout_maybe_branch () {
    cd ${OEROOT}/$1 || return 
    branch_exists $2
    if [ $? == 0 ]; then
	branch $2 $3
    fi
    pull $2
}

checkout_branch () {
	cd ${OEROOT}/$1 || return
	branch_exists $2
	if [ $? != 0 ]; then
		$GIT checkout $2
    else
        echo "Creating development brach: $2"
        $GIT checkout -b $2
	fi
}

clone () {
    $GIT clone $1 $2
}

pull () {
    if [ "$1" ]; then
	checkout $1
    else
	checkout "master"
    fi
    $GIT pull --stat --rebase
}

# $1 - repository url
# $2 - local directory
# $3 - local branch name
clone_or_pull () {
    if [ -d ${OEROOT}/$2 ]; then
	cd ${OEROOT}/$2 && pull $3
    else
	cd ${OEROOT} && clone $1 $2
    fi
}

#
# clone bitbake
# 
clone_or_pull "git://git.openembedded.org/bitbake.git" "bitbake"

#
# Use stable version of bitbake
#
checkout_maybe_branch "bitbake" "1.10" "origin/1.10"

#
# clone OE
#
clone_or_pull "git://git.openembedded.org/openembedded.git" "openembedded" "org.openembedded.dev"

#
# Check out working branch
#
checkout_branch "openembedded" "${TARGET}"