#! /bin/sh

PKGFILE=`ctg_devdir`/ctgpkgs.dat
LOGFILE=`ctg_devdir`/build.log

rm -f $LOGFILE
touch $LOGFILE

# Process arguments.
FLAGS=
NAMES=
HAVENAME=
HELP=
while ( true ); do
  ARG=$1
  if [ -z "$ARG" ]; then break; fi
  if [ $ARG = "-h" ]; then
    HELP=true
    break
  fi
  if [ -z `echo $ARG | sed 's/-.*//'` ]; then
    FLAGS="$FLAGS $ARG"
  else
    HAVENAME=true
    NEWNAMES=`ctg_list_pkgs $ARG`
    NAMES="$NAMES $NEWNAMES"
  fi
  shift
done

# Help
if [ -n "$HELP" ]; then
  echo Usage: ctg_build FLAGS PKGS
  echo "   Allowed flags: -cdbgti"
  echo "   Packages may be ranges pkg1:pkg2"
  echo "   Multiple arguments may be provided"
  echo "   Packages and flags are processed in the order given"
  exit 2
fi

# If no names were given, use the whole list.
if [ -z "$HAVENAME" ]; then
  NAMES=`ctg_list_pkgs`
fi

# If still no names, this is an error.
if [ -z "$NAMES" ]; then
  echo "ctg_build: No package names found"
  exit 2
fi

# If no flags, this is an error.
if [ -z "$FLAGS" ]; then
  echo "ctg_build: No flags found"
  exit 3
fi

echo
echo Flags: $FLAGS
echo Packages: $NAMES

FPKGS=$NAMES
if [ -z "$FPKGS" ]; then
  echo ctg_build: $PKGFILE is missing or empty
  exit 1
fi

for FLAG in $FLAGS; do
  echo
  echo "***** Building with flag $FLAG"
  echo "%%%%%%%%%%%%%%%%% Building with flags: $FLAG %%%%%%%%%%%%%%%%%%" \
       >> $LOGFILE
  echo
  STAT=0
  for FPKG in $FPKGS; do
    echo Building $FPKG 
    echo >> $LOGFILE
    echo "================= ctg $FLAG $FPKG ===============" >> $LOGFILE
    echo >> $LOGFILE
    ctg $FLAG $FPKG >> $LOGFILE 2>&1
    STAT=$?
    if [ $STAT -ne 0 ]; then
      echo "**** Build failed with error $STAT ****"
      break
    fi
  done
  if [ $STAT -ne 0 ]; then break; fi
done

echo
if [ $STAT -eq 0 ]; then
  echo Build successful!
else
  echo Build failed in $FPKG
  echo
  echo "----------------------------------------------------------------"
  echo .
  echo .
  echo .
  tail -20 $LOGFILE
  echo "----------------------------------------------------------------"
fi
echo 
echo Output in $LOGFILE
exit $STAT