LearnPAd/learnpad

#!/usr/bin/env bash

# Trace what's being executed (useful for debug)
# set -o xtrace
# Exit on error
set -o errexit
# Exit on unset variables
set -o nounset
# Catch the error code of the program who crashed in piping commands
set -o pipefail

declare -r __ROOT_PATH__="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
declare -r __BASE__="$(basename "${BASH_SOURCE[0]}")"
declare -r __FILE__="${__ROOT_PATH__}/${__BASE__}"
declare -r __BUILD_SYSTEM_PATH__="${__ROOT_PATH__}/build-system"
declare -r __OPTIONS__=$*
declare __LOG_LEVEL__="ERROR"

declare -r COMPONENTS_LIST_FILE="${__ROOT_PATH__}/.components"

declare __ACTION__=""
declare __ARE_OPTIONS_CORRECT__="no"

### Libraries

source ${__BUILD_SYSTEM_PATH__}/utils.sh
source ${__BUILD_SYSTEM_PATH__}/launch.sh

for ARG in $*
do
    case ${ARG} in
        "-v"|"--verbose")
            declare __LOG_LEVEL__="INFO"
            ;;
        "-d"|"--debug")
            declare __LOG_LEVEL__="DEBUG"
            ;;
        "start"|"stop"|"restart")
            declare __ACTION__="${ARG}"
            declare __ARE_OPTIONS_CORRECT__="yes"
            ;;
        *)
            customlog "ERROR" "\`${ARG}' is not parsed by \`${__BASE__}' script." ${ERROR_ARGS}
            ;;
    esac
done

if [ "${__ARE_OPTIONS_CORRECT__}"  == "no" ]
then
    customlog "ERROR" "usage: ${__BASE__} [-v|-d] start|stop|restart" ${ERROR_ARGS}
fi

cat ${COMPONENTS_LIST_FILE} | while read COMPONENT_NAME
do
    echo ${COMPONENT_NAME} | grep -q '^#' && continue;
    if iscomponent ${COMPONENT_NAME}
    then
        launch "${COMPONENT_NAME}" ${__ACTION__}
    else
        customlog "ERROR" "The list in \`.components' contains at least one non-existing component." ${ERROR_COMPONENTS}
    fi
done

exit ${SUCCESS}