uninstall_galahad

#!/bin/bash

# Remove script for GALAHAD
# version for Bourne/bash shell

# syntax: uninstall_galahad

# N. Gould, D. Orban & Ph. Toint
# ( Last modified on 22 July 2005 at 15:20 GMT )

#  check input arguments (if any)

if [[ $# != 0 ]]; then
   echo "Use: uninstall_galahad"
   exit 1
fi

export GALAHAD=`dirs -l`
export GALAHAD=`echo $GALAHAD | \sed 's"/tmp_mnt""'`

finished='false'
while [[ $finished != 'true' ]]; do

#   VERS=( `\ls $GALAHAD/versions/*` )
    VERS=( `\ls $GALAHAD/versions/* 2>/dev/null` )
    NUMBER=${#VERS[@]}

    if [[ $NUMBER == 0 ]]; then
	echo "No versions of GALAHAD are currently installed."
	exit 1
    fi

    LIST=( ${VERS[@]} )

    CORRECT_VERSION="false"
    while [[ $CORRECT_VERSION == "false" ]]; do 

	echo " The following versions of GALAHAD are currently installed."
	echo " "
	count=0
	for i  in  ${LIST[@]}; do
	    (( count++ ))
	    (( cnt = count-1 )) # 0-based indexing
	    VERSION="`cat ${VERS[$cnt]}`"
	    echo "        ($count) ${VERSION}"
	done
	echo " "
	echo " Which do you wish to uninstall: (1-$NUMBER)?" 

	read CHOICE
	(( CHOICE-- ))
   
	i=0
	while [[ $i -lt $NUMBER &&  $CORRECT_VERSION == "false" ]]; do
	    if [[ $CHOICE == $i ]]; then
		CORRECT_VERSION="true"
		CHOICE=$i
	    fi
	    (( i++ ))
	done
	if [[ $CORRECT_VERSION == "true" ]]; then
	    VERSION=${VERS[$CHOICE]##*/}
	    VERNAME=`cat ${VERS[$CHOICE]}`
	else
	    echo " Please give an integer between 1 and $NUMBER"
	fi
    done

    echo " Are you sure you wish to uninstall the version for"
    echo "  $VERNAME (Y/n)?"

    YESNO=""

    while [[ $YESNO != 'Y' && $YESNO != 'N' ]]; do
	read YESNO
	[[  $YESNO == ""  ]] && YESNO="Y"
	YESNO=`echo $YESNO | tr a-z A-Z`
    done

    if [[  $YESNO == 'Y'  ]]; then

	echo " Removing object files and libraries ... "
	\rm -f -r $GALAHAD/objects/$VERSION
	echo " Removing module information files ... "
	\rm -f -r $GALAHAD/modules/$VERSION
	echo " Removing AMPL executable ... "
	\rm -f -r $GALAHAD/ampl_bin/$VERSION
	echo " Removing environment information file ... "
	\rm -f -r $GALAHAD/bin/sys/$VERSION
	echo " Removing make information file ... "
	\rm -f -r $GALAHAD/makefiles/$VERSION
        python3 -V &>/dev/null
        status=$?
        if (( $status == 0 )); then
          PYVERSION=$(python3 -V | awk '{print $2}')
          PYTHONVERSION=$(echo ${PYVERSION%.*})
          PYSITEPACKDIR=~/.local/lib/python${PYTHONVERSION}/site-packages
          echo " Removing python information file ... "
          \rm -f -r $PYSITEPACKDIR/galahad
          \rm -f -r $PYSITEPACKDIR/galahad-1.0.dist-info
        fi
	echo " Removing version record file ... "
	\rm -f -r $GALAHAD/versions/$VERSION
	echo " Version for"
	echo "  $VERNAME"
	echo " successfully removed."

    fi

    echo " "
    echo " Do you wish to uninstall another version (N/y)?"
	
    YESNO=""

    while [[ $YESNO != 'Y' && $YESNO != 'N' ]]; do
	read YESNO
	[[  $YESNO == ""  ]] && YESNO="N"
	YESNO=`echo $YESNO | tr a-z A-Z`
    done

    [[  $YESNO == 'N'  ]] && finished='true'
done