#!/bin/bash

die() { echo >&2 "$@"; exit 1; }

lines=`git status --porcelain | grep -v ^?? | wc -l`

test "$lines" != "0" && die "stash the git changes"

if test -d config; then

    cd config

    git pull

    cd ..

else

    git clone git://git.savannah.gnu.org/config.git

fi

cp config/config.guess .

cp config/config.sub .

lines=`git status --porcelain config.guess config.sub | wc -l`

if test "$lines" = "0"; then

    echo "no upstream change"

    exit 0

fi

make -C config check || die "make check failed"

rpmdev-bumpspec automake.spec \

        -c "update config.{guess,sub} to gnuconfig git HEAD" \

    || die "can not bump spec"

git add -f config.sub config.guess automake.spec

git commit -m "gnuconfig: sync with upstream git" --no-verify