#!/bin/bash
#
# Computes the MD5 digest of an EZFIO file, and creates a tar.
# Thu Apr  3 16:55:50 CEST 2014

if [[ -z ${QPACKAGE_ROOT} ]]
then
  print "The QPACKAGE_ROOT environment variable is not set."
  print "Please reload the quantum_package.rc file."
fi

function archive()
{
  FILE="$1"
  MD5="$2"
  ARCHIVE="${QPACKAGE_ROOT}/data/cache/$MD5"
  if [[ -f "$ARCHIVE" ]]
  then
    if ! diff "$FILE" "${QPACKAGE_ROOT}/data/cache/$MD5" &> /dev/null
    then
      echo "Something went wrong. The file"
      echo "${QPACKAGE_ROOT}/data/cache/$MD5"
      echo "is different from $FILE"
      echo "Aborting"
      return 1
    fi
  else
    cp "$FILE" "${QPACKAGE_ROOT}/data/cache/$MD5"
  fi
}




EZFIO_FILE=$(basename ${1})

if [[ -z ${EZFIO_FILE} ]]
then
  echo "Usage: $(basename $0) <EZFIO_FILE>"
  exit 1
fi


cd "${QPACKAGE_ROOT}/EZFIO/src"
FILES=($(python << EOF | sort
from read_config import * 
for group in groups:
  if group == "ezfio":
    continue
  for d in groups[group]:
    if d[2] == ():
      suffix = ""
    else:
      suffix = ".gz"
    print group+'/'+d[0]+suffix
print "ezfio/creation"
print "ezfio/library"
EOF
))
cd $OLDPWD

MD5_FILE=$(basename "${EZFIO_FILE}" .ezfio).md5
rm -f -- "${MD5_FILE}"
for FILE in ${FILES[@]}
do
  FILE="${EZFIO_FILE}/${FILE}"
  MD5=$(md5sum "${FILE}" 2>/dev/null | cut -d ' ' -f 1)
  if [[ ! -z $MD5 ]]
  then
    if ! archive "$FILE" "$MD5"
    then
      rm -- "${MD5_FILE}"
      exit 1
    fi
    echo "$MD5" "$FILE" >> "${MD5_FILE}"
  fi
done