build

#!/usr/bin/env bash

LOG_LEVEL_ERROR="0"
LOG_LEVEL_INFO="1"
VERBOSE="${VERBOSE:-${LOG_LEVEL_ERROR}}"

function printError {
    if (( "${VERBOSE}" >= "${LOG_LEVEL_ERROR}" )); then
        >&2 echo "error: ${@}"
    fi
}

function printInfo {
    if (( "${VERBOSE}" >= "${LOG_LEVEL_INFO}" )); then
        >&2 echo "info: ${@}"
    fi
}

function printDisclaimer {
    cat << EOF
# This file is managed within ${CI_PROJECT_URL:-a git} repository.
# Do not edit.
#
# See https://github.com/vbouchaud/configuration-builder
# for details about the supported operations.

EOF
}

declare -A registry=()
function registerFile {
    local filename="$(realpath "${1}")"

    if [[ -d "${filename}" ]]; then
        for subfile in ${filename}/*.cfg; do
            if [[ -f "${subfile}" ]]; then
                registerFile "${subfile}"
            fi
        done
    elif [[ -f "${filename}" ]]; then
        if [[ -z "${registry[${filename}]}" ]]; then
            registry["${filename}"]="$(cat "${filename}")"

            for file in $(grep -Po 'include\("\K.*?(?=")' "${filename}"); do
                registerFile "$(dirname "${filename}")/${file}"
            done
        else
            printInfo "file '${filename}' already registered"
        fi
    else
        printError "file '${filename}' not found"
    fi
}

function printFile {
    local file="$(realpath "${1}")"
    local spacer="${2}"

    if [[ -d "${file}" ]]; then
        for subfile in ${file}/*.cfg; do
            if [[ -f "${subfile}" ]]; then
                printFile "${subfile}" "${spacer}"
            fi
        done
    else
        echo "${spacer}## Source: $(realpath --relative-to="${PWD}" "${file}")"
        while IFS= read -r line; do
            local include="$(grep -Po 'include\("\K.*?(?=")' <<< "${line}")"
            if [[ ! -z "${include}" ]]; then
                local nsp="${spacer}$(echo "${line}" | cut -d'i' -f1)"
                local fullpathname="$(realpath "$(dirname "${file}")/${include}")"
                printFile "${fullpathname}" "${nsp}"
            else
                echo "${spacer}${line}"
            fi
        done <<< "${registry[$file]}"
    fi
}

function main {
    if [[ -z "${1}" ]] || [[ ! -f "${1}" ]]; then
        printError "no file '${filename}'"
        exit 1
    fi

    registerFile "${1}"
    if [[ ! -z "${PRINT_DISCLAIMER}" ]]; then
        printDisclaimer
    fi
    printFile "${1}" ""
}

main $*