git-rebase-compile

#!/bin/bash

ANSI_HIGHLIGHT_RED_ON="\x1B[1;31m"
ANSI_HIGHLIGHT_OFF="\x1B[0m"

OPT_CC="make -j4"
OPT_ENV=""
OPT_EXIT_ON_FAIL=0

usage() {
echo "
Usage: $(basename $0) [OPTIONS] <BASE-BRANCH>
Compile all commits since <BASE-BRANCH>
Prepare and send a patch series via email based on a local branch.

OPTIONS
    -c <command>   use an alternative command to build. By default
                   '$OPT_CC' is used
    -E <environment> source an environment before executing any command.
    -x             exit on the first failed build instead of keep trying
                   later commits
    -h             display this help message
" 1>&2;
exit 1;
}

args=0
while getopts "E:c:xh\?" o; do
    case "${o}" in
        c) OPT_CC=${OPTARG}; args=$[$args + 2] ;;
        E) OPT_ENV=${OPTARG}; args=$[$args + 2] ;;
        x) OPT_EXIT_ON_FAIL=1; args=$[$args + 1] ;;
        h) usage ;;
        \?) usage ;;
    esac
done
shift $args

rev=$(git rev-parse --symbolic-full-name --abbrev-ref HEAD)
cmd="$2"
build_bork=""
cmd_bork=""
no_bork=""
ret=0

function list_bork() {
    list="$1"
    msg="$2"

    [ -n "$list" ] && {
        echo "The following commits $msg:"
        for i in $list
        do
            git log --oneline -1 $i
        done
    }
}

report() {
    echo -e "\n\n"
    echo "============ rebase-compile finished ============"
    [ $ret -ne 0 ] && [ $OPT_EXIT_ON_FAIL -eq 1 ] && \
        echo "Stopping after failed build or signal"

    list_bork "$no_bork" "succeeded";
    list_bork "$build_bork" "failed to build";
    list_bork "$cmd_bork" "failed to run \"$cmd\""
    git checkout $rev
    echo "================================================="
    trap "" SIGINT SIGTERM EXIT
    exit $ret
}

trap "ret=1; report;" SIGINT SIGTERM
trap "report;" EXIT

[ ! -z "$OPT_ENV" ] && . "$OPT_ENV"

for i in $(git rev-list --reverse ${1}..HEAD)
do
    git checkout $i
    $OPT_CC || {
        echo -e "$ANSI_HIGHLIGHT_RED_ON commit $i broke build $ANSI_HIGHLIGHT_OFF"
        build_bork="$build_bork $i"
        [ $OPT_EXIT_ON_FAIL -eq 1 ] && break
        continue
    }

    [ -n "$2" ] && {
        $2 || {
            echo -e "$ANSI_HIGHLIGHT_RED_ON commit $i broke \"$cmd\" $ANSI_HIGHLIGHT_OFF"
            cmd_bork="$cmd_bork $i"
            [ $OPT_EXIT_ON_FAIL -eq 1 ] && break
            continue
        }
    }

    no_bork="$no_bork $i"
done

if [ ! -z "$build_bork" -o ! -z "$cmd_bork" ]; then
    ret=1
fi