#!/bin/bash

set -e

cd linux

git reset --hard

echo "! Repo $(git config remote.origin.url) $(git describe) $(git rev-parse HEAD) ok"

function vercmp()
{
    v1=${1#v}
    op=$2
    v2=${3#v}

    # Make release candidates sort before the final release
    v1=${v1/rc/\~}
    v2=${v2/rc/\~}

    dpkg --compare-versions $v1 $op $v2
}

git_desc=$(git describe)

if vercmp v4.2-rc2-34-g0b05e2d lt $git_desc &&
   vercmp v4.3-rc1-144-gf240bdd gt $git_desc ; then
    # Revert commit that causes unbootable system
    git revert --no-edit 0b05e2d671c40cfb57e66e4e402320d6e056b2f8 # powerpc/32: cacheable_memcpy becomes memcpy
    git reset HEAD^ # Do not commit revert - this helps with bisecting
fi

# It the dts file exists, next command fails
rm -f arch/powerpc/boot/dts/shark-ryu.dts
git apply --index < ../shark-ryu-board-patch.patch