#!/usr/bin/env bash
# zipme.sh
#
#   Copyright (C) 2007-2011, 2013 Gregory Nutt. All rights reserved.
#   Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
#    used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

#set -x

WD=`pwd`

TAR="tar cvf"
ZIP=gzip

# Get command line parameters

USAGE="USAGE: $0 [-d|h] [-b <build]> <major.minor>"
ADVICE="Try '$0 -h' for more information"

unset VERSION
unset VERSIONOPT
unset BUILD
unset DEBUG

while [ ! -z "$1" ]; do
  case $1 in
  -b )
    shift
    BUILD="-b ${1}"
    ;;
  -d )
    set -x
    DEBUG=-d
    ;;
  -h )
    echo "$0 is a tool for generation of release versions of NuttX"
    echo ""
    echo $USAGE
    echo ""
    echo "Where:"
    echo "  -b <build>"
    echo "     Use this build identification string.  Default: use GIT build ID"
    echo "     NOTE: GIT build information may not be available in a snapshot"
    echo "  -d"
    echo "     Enable script debug"
    echo "  -h"
    echo "     show this help message and exit"
    echo "  <major.minor>"
    echo "     The NuttX version number expressed as a major and minor number separated"
    echo "     by a period"
    exit 0
    ;;
  * )
    break;
    ;;
  esac
  shift
done

# The last thing on the command line is the version number

VERSION=$1
VERSIONOPT="-v ${VERSION}"

# Make sure we know what is going on

if [ -z ${VERSION} ] ; then
  echo "You must supply a version like xx.yy as a parameter"
  echo $USAGE
  echo $ADVICE
  exit 1;
fi

if [ -z "${BUILD}" ]; then
  GITINFO=`git log 2>/dev/null | head -1`
  if [ -z "${GITINFO}" ]; then
    echo "GIT version information is not available. Use the -b option"
    echo $USAGE
    echo $ADVICE
    exit 1;
  fi
  echo "GIT: ${GITINFO}"
fi


# Find the directory we were executed from and were we expect to
# see the directories to tar up

MYNAME=`basename $0`

if [ -x ${WD}/${MYNAME} ] ; then
  TRUNKDIR="${WD}/../.."
else
  if [ -x ${WD}/tools/${MYNAME} ] ; then
    TRUNKDIR="${WD}/.."
  else
    if [ -x ${WD}/nuttx-${VERSION}/tools/${MYNAME} ] ; then
      TRUNKDIR="${WD}"
    else
      echo "You must cd into the NUTTX directory to execute this script."
      exit 1
    fi
  fi
fi

# Get the NuttX directory names and the path to the parent directory

NUTTX=${TRUNKDIR}/nuttx-${VERSION}
APPDIR=${TRUNKDIR}/apps-${VERSION}

# Make sure that the versioned directory exists

if [ ! -d ${TRUNKDIR} ]; then
  echo "Directory ${TRUNKDIR} does not exist"
  exit 1
fi

cd ${TRUNKDIR} || \
  { echo "Failed to cd to ${TRUNKDIR}" ; exit 1 ; }

if [ ! -d nuttx-${VERSION} ] ; then
  echo "Directory ${TRUNKDIR}/nuttx-${VERSION} does not exist!"
  exit 1
fi

if [ ! -d apps-${VERSION} ] ; then
  echo "Directory ${TRUNKDIR}/apps-${VERSION} does not exist!"
  exit 1
fi

# Create the versioned tarball names

NUTTX_TARNAME=nuttx-${VERSION}.tar
APPS_TARNAME=apps-${VERSION}.tar
NUTTX_ZIPNAME=${NUTTX_TARNAME}.gz
APPS_ZIPNAME=${APPS_TARNAME}.gz

# Prepare the nuttx directory -- Remove editor garbage

find ${TRUNKDIR} -name '*~' -exec rm -f '{}' ';' || \
      { echo "Removal of emacs garbage failed!" ; exit 1 ; }
find ${TRUNKDIR} -name '*.swp' -exec rm -f '{}' ';' || \
      { echo "Removal of VI garbage failed!" ; exit 1 ; }

# Make sure that versioned copies of the certain files are in place

cd ${NUTTX}/Documentation || \
   { echo "Failed to cd to ${NUTTX}/Documentation" ; exit 1 ; }

# Write a version file into the NuttX directory.  The syntax of file is such that it
# may be sourced by a bash script or included by a Makefile.

VERSIONSH=${NUTTX}/tools/version.sh
if [ ! -x "${VERSIONSH}" ]; then
  echo "No executable script was found at: ${VERSIONSH}"
  exit 1
fi

${VERSIONSH} ${DEBUG} ${BUILD} ${VERSIONOPT} ${NUTTX}/.version || \
    { echo "${VERSIONSH} failed"; cat ${NUTTX}/.version; exit 1; }
chmod 755 ${NUTTX}/.version || \
    { echo "'chmod 755 ${NUTTX}/.version' failed"; exit 1; }

# Update the configuration variable documentation
#
# MKCONFIGVARS=${NUTTX}/tools/mkconfigvars.sh
# CONFIGVARHTML=${NUTTX}/Documentation/NuttXConfigVariables.html
#
# if [ ! -x "${MKCONFIGVARS}" ]; then
#     echo "No executable script was found at: ${MKCONFIGVARS}"
#     exit 1
# fi
#
# cd ${NUTTX} || \
#    { echo "Failed to cd to ${NUTTX}" ; exit 1 ; }
#
# ${MKCONFIGVARS} ${DEBUG} ${VERSIONOPT} || \
#     { echo "${MKCONFIGVARS} failed"; exit 1; }
# chmod 644 ${CONFIGVARHTML} || \
#     { echo "'chmod 644 ${CONFIGVARHTML}' failed"; exit 1; }
#
# Perform a full clean for the distribution

cd ${TRUNKDIR} || \
   { echo "Failed to cd to ${TRUNKDIR}" ; exit 1 ; }

make -C ${NUTTX} distclean

# Remove any previous tarballs

if [ -f ${NUTTX_TARNAME} ] ; then
  echo "Removing ${TRUNKDIR}/${NUTTX_TARNAME}"
  rm -f ${NUTTX_TARNAME} || \
     { echo "rm ${NUTTX_TARNAME} failed!" ; exit 1 ; }
fi

if [ -f ${NUTTX_ZIPNAME} ] ; then
  echo "Removing ${TRUNKDIR}/${NUTTX_ZIPNAME}"
  rm -f ${NUTTX_ZIPNAME} || \
     { echo "rm ${NUTTX_ZIPNAME} failed!" ; exit 1 ; }
fi

if [ -f ${APPS_TARNAME} ] ; then
  echo "Removing ${TRUNKDIR}/${APPS_TARNAME}"
  rm -f ${APPS_TARNAME} || \
     { echo "rm ${APPS_TARNAME} failed!" ; exit 1 ; }
fi

if [ -f ${APPS_ZIPNAME} ] ; then
  echo "Removing ${TRUNKDIR}/${APPS_ZIPNAME}"
  rm -f ${APPS_ZIPNAME} || \
     { echo "rm ${APPS_ZIPNAME} failed!" ; exit 1 ; }
fi

# Then tar and zip-up the directories

cd ${TRUNKDIR} || \
   { echo "Failed to cd to ${TRUNKDIR}" ; exit 1 ; }

${TAR} ${NUTTX_TARNAME} nuttx-${VERSION} || \
      { echo "tar of ${NUTTX_TARNAME} failed!" ; exit 1 ; }
${ZIP} ${NUTTX_TARNAME} || \
      { echo "zip of ${NUTTX_TARNAME} failed!" ; exit 1 ; }

${TAR} ${APPS_TARNAME} apps-${VERSION} || \
      { echo "tar of ${APPS_TARNAME} failed!" ; exit 1 ; }
${ZIP} ${APPS_TARNAME} || \
      { echo "zip of ${APPS_TARNAME} failed!" ; exit 1 ; }

cd ${NUTTX}