#!/bin/bash

# EXAMPLES
usage() {
  echo "usage: " \
  "NAME=app " \
  "PLATFORM=amd64 " \
  "MAINAINER=\"Test <email@example>\" " \
  "DESCRIPTION=Testapp " \
  "VERSION=1.0-0 " \
  "[DEPENDENCIES=\"libc-bin (>= 2.19)\"] " \
  "sh control-build.sh"
  exit 1
}

echo "DEB Builder control-file: https://git.blubbfish.net/vs_utils/CI-Scripts/src/branch/master/deb/control-build.sh"

if [[ -z "${NAME}" ]]; then
  usage  
fi

if [[ -z "${PLATFORM}" ]]; then
  usage
fi

if [[ -z "${MAINAINER}" ]]; then
  usage
fi

if [[ -z "${DESCRIPTION}" ]]; then
  usage
fi

if [[ -z "${VERSION}" ]]; then
  usage
fi

re='^[^0-9]*([0-9]+.*)$'
if [[ ${VERSION} =~ $re ]]; then
  VERSION=${BASH_REMATCH[1]}
else
  echo "could not found a number in string";
  VERSION="0.0.0+"${BUILDNUMBER}

  if [[ -z "${BUILDNUMBER}" ]]; then
    echo "you also not provide a valid buildnumner BUILDNUMBER=123"
    usage
  fi
fi

echo "Package: ${NAME}" > control
echo "Version: ${VERSION}" >> control
echo "Section: base" >> control
echo "Priority: optional" >> control
echo "Architecture: ${PLATFORM}" >> control
if [[ -n "${DEPENDENCIES}" ]]; then
  echo "Depends: ${DEPENDENCIES}" >> control
fi
echo "Maintainer: ${MAINAINER}" >> control
echo "Description: ${DESCRIPTION}" >> control