driver-sync

#!/bin/bash

FILES="`find src/ -name "*" -type f`"
for BRANCH in `curl -s https://api.github.com/repos/raspberrypi/linux/branches | grep -Eo 'rpi-([0-9\.]+)\.y'` ; do
    echo $BRANCH
    if (( $(echo "`echo ${BRANCH} | sed -E 's/rpi-((.*)+)\.y/\1/'` >= 4.4" | bc -l) )); then
        echo "Evaluating branch: ${BRANCH}"
        for FILE in ${FILES} ; do
            if [[ ${FILE} =~ "include" || ${FILE} =~ "drivers" ]] ; then
                FILENAME=`echo ${FILE} | sed -E 's/(.*)+\///'`
                echo "    Checking ${FILENAME}"
                DIFF=`wget -qO- https://raw.githubusercontent.com/raspberrypi/linux/${BRANCH}/\`echo ${FILE} | sed 's/src\///'\` | diff ${FILE} -`
                if [[ ! -z "${DIFF}" ]]; then
                    mkdir -p diff/${BRANCH}
                    echo "      Diff found - generating patch for ${FILENAME}"
                    echo "${DIFF}" > diff/${BRANCH}/${FILENAME}_${BRANCH}.patch
                fi
            fi
        done
    fi
done