Bash Template

script.sh

#!/usr/bin/env bash

set -eou pipefail

DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
PROJECT_DIR=$(git rev-parse --show-toplevel)

function task() {
}

## process specific command and exit
args=("$@")
if ((${#args[@]})); then
    "$@"
    exit $?
fi

# if no specific command passed, process default commands
task