Rebuild a Go project when a code change is detected.

watcher.sh

#!/usr/bin/env bash

P=`pwd`
BUILDNAME=/tmp/${P##*/}-build

function goRun() {
    echo "-- Building..."

    ## Build new binary
    go build -i -o $BUILDNAME ./cmd/frontend/*.go

    ## Kill previous and run new binary
    if [[ $? -eq 0 ]];
    then
        killall -q ${BUILDNAME##*/}
        $BUILDNAME &
        VAR=$!

        echo "Started process" $VAR
    fi
}

while true
do
    goRun

    ## Wait
    inotifywait -qre close_write,modify,move --include '[.*](go|tpl)$' .
done;