logfunction.sh

export LOG_DIR=~/logs
# `tee` the stdout/stderr of a command to
# ${LOG_DIR}/<binary>/$(datetime).log or ${LOG_DIR}/<binary>/<subcommand>/$(datetime).log
# $1: full command (including arguments) to log
log_command() {
    local log_dir="${LOG_DIR}/${1}"
    if [ "$1" = "mortar" ]; then
        log_dir="${log_dir}/$2"
    fi
    mkdir -p "${log_dir}"
    echo "${log_dir}"

    local log_filepath="${log_dir}/$(date '+%F-%T' | sed 's/:/-/g').log"
    echo -e "${*}\n" > "${log_filepath}"

    # combine STDERR and STDOUT
    ( time "${@}" 2>&1 ) | tee -a "${log_filepath}"

    echo "${log_filepath}"
}
alias logc=log_command