watchmake

#!/bin/bash -e

# Usage
function print_usage {
    echo "Usage: $0 FILES... [-- MAKE OPTIONS...]"
}

# Process names options
MODE="files"
FILES=()
OPTIONS=()
while (( "$#" )); do
    if [[ "$1" == "--" ]]; then
        MODE="options"
    elif [[ $MODE == "files" ]]; then
        FILES+=("$1")
    elif [[ $MODE == "options" ]]; then
        OPTIONS+=("$1")
    fi
    shift
done

# Sanity checks
if [[ ${#FILES[@]} == 0 ]]; then
    print_usage
    exit 1
fi

# Loop
# NOTE: double loop, because some editors delete+recreate (e.g. Sublime Text)
#       rather than modify, causing the inotifywait loop to break
while true; do
    set -x +e
    make "${OPTIONS[@]}"
    set +x -e
    while inotifywait --event modify --quiet --recursive "${FILES[@]}"; do
        set -x +e
	    make "${OPTIONS[@]}"
        set +x -e
	    echo
    done
done