thisgrsi.sh

# shellcheck disable=all
# Source this script to set up the GRSISort build that this script is part of.
#
# Conveniently an alias like this can be defined in .bashrc:
#   alias thisgrsi=". bin/thisgrsi.sh"
#
# This script if for the bash like shells, see thisgrsi.csh for csh like shells.
#
# Author: Fons Rademakers, 18/8/2006
# Adapted by Ryan Dunlop, 8/9/2015

drop_from_path()
{
   # Assert that we got enough arguments
   if test $# -ne 2 ; then
      echo "drop_from_path: needs 2 arguments"
      return 1
   fi

   p=$1
   drop=$2

   newpath=`echo $p | sed -e "s;:${drop}:;:;g" \
                          -e "s;:${drop};;g"   \
                          -e "s;${drop}:;;g"   \
                          -e "s;${drop};;g"`
}

if [ -n "${GRSISYS}" ] ; then
   old_grsisys=${GRSISYS}
fi

if [ "${BASH_ARGV[0]}" = "" ]; then
    if [ ! -f thisgrsi.sh ]; then
        echo ERROR: must "cd where/grsi/is" before calling ". thisgrsi.sh" for this version of bash!
        GRSISYS=; export GRSISYS
        return 1
    fi
    GRSISYS="$PWD"; export GRSISYS
else
    # get param to "."
    thisgrsi=$(dirname "${BASH_ARGV[0]}")
    GRSISYS=$(cd "${thisgrsi}" || exit;pwd); export GRSISYS
fi

if [ -e "$GRSISYS/GRSIData" ] ; then
	export GRSIDATA=$GRSISYS/GRSIData
else
	unset GRSIDATA
fi
if [ -e "$GRSISYS/HILData" ] ; then
	export HILDATA=$GRSISYS/HILData
else
	unset HILDATA
fi
if [ -e "$GRSISYS/ILLData" ] ; then
	export ILLDATA=$GRSISYS/ILLData
else
	unset ILLDATA
fi
if [ -e "$GRSISYS/iThembaData" ] ; then
	export ITHEMBADATA=$GRSISYS/iThembaData
else
	unset ITHEMBADATA
fi

if [ -n "${old_grsisys}" ] ; then
   if [ -n "${PATH}" ]; then
      drop_from_path "$PATH" "${old_grsisys}/bin"
      PATH=$newpath
   fi
   if [ -n "${LD_LIBRARY_PATH}" ]; then
      drop_from_path "$LD_LIBRARY_PATH" "${old_grsisys}/lib"
      LD_LIBRARY_PATH=$newpath
		drop_from_path "$LD_LIBRARY_PATH" "${old_grsisys}/GRSIData/lib"
      LD_LIBRARY_PATH=$newpath
		drop_from_path "$LD_LIBRARY_PATH" "${old_grsisys}/HILData/lib"
      LD_LIBRARY_PATH=$newpath
		drop_from_path "$LD_LIBRARY_PATH" "${old_grsisys}/ILLData/lib"
      LD_LIBRARY_PATH=$newpath
		drop_from_path "$LD_LIBRARY_PATH" "${old_grsisys}/iThembaData/lib"
      LD_LIBRARY_PATH=$newpath
   fi
   if [ -n "${DYLD_LIBRARY_PATH}" ]; then
      drop_from_path "$DYLD_LIBRARY_PATH" "${old_grsisys}/lib"
      DYLD_LIBRARY_PATH=$newpath
   fi
   if [ -n "${MANPATH}" ]; then
      drop_from_path $MANPATH ${old_grsisys}/man
      MANPATH=$newpath
   fi
fi

if [ -z "${MANPATH}" ]; then
   # Grab the default man path before setting the path to avoid duplicates 
	if $(which manpath > /dev/null 2>&1) ; then
		default_manpath=$(manpath)
   else
		default_manpath=$(man -w 2> /dev/null)
   fi
fi

if [ -z "${PATH}" ]; then
   PATH=$GRSISYS/bin;
else
   PATH=$GRSISYS/bin:$PATH;
fi

if [ -z "${LD_LIBRARY_PATH}" ]; then
   LD_LIBRARY_PATH=$GRSISYS/lib;
else
   LD_LIBRARY_PATH=$GRSISYS/lib:$LD_LIBRARY_PATH;
fi
if [ -n "${GRSIDATA}" ]; then
	LD_LIBRARY_PATH=$GRSIDATA/lib:$LD_LIBRARY_PATH;
fi
if [ -n "${ILLDATA}" ]; then
	LD_LIBRARY_PATH=$ILLDATA/lib:$LD_LIBRARY_PATH;
fi
if [ -n "${ITHEMBADATA}" ]; then
	LD_LIBRARY_PATH=$ITHEMBADATA/lib:$LD_LIBRARY_PATH;
fi

if [ -z "${DYLD_LIBRARY_PATH}" ]; then
   DYLD_LIBRARY_PATH=$GRSISYS/lib;
else
   DYLD_LIBRARY_PATH=$GRSISYS/lib:$DYLD_LIBRARY_PATH;
fi

if [ -z "${MANPATH}" ]; then
	MANPATH=$(dirname $GRSISYS/man/man1):${default_manpath};
else
	MANPATH=$(dirname $GRSISYS/man/man1):$MANPATH;
fi

export PATH
export LD_LIBRARY_PATH
export DYLD_LIBRARY_PATH
export MANPATH

unset old_grsisys
unset thisgrsi