File mtt/bin/mtt_backup artifact 390999ad3b part of check-in a8cce33cfa

#!/bin/sh
# Does a backup with date of selected files.


while [ -n "`echo $1 | grep '^-'`" ]; do
case $1 in
    -d)
         format=date;
	 shift
	;;
    -v)
         format=version;
	 shift
	;;
    -h)
         echo "Usage: mtt_backup [-d|-v] [lib|doc]";
	 exit
	;;
    *)
         format=date;
esac
done

#Name of archive
if [ -z "$1" ]; then
    mtt="mtt"
    dirs='mtt mtt-lib mtt-cc mtt-doc'
else
    mtt="mtt-$1"
    dirs=$mtt
fi

## Create appropriate filename
case $format in
    date)
         filename=`date | gawk '{printf("%s_%s%s_%s.tgz\n", mtt, $2,$3,$6)}' mtt=$mtt`;
	 shift
	;;
    version)
         filename=`mtt --version | gawk '{printf("%s-%s.tar.gz\n", mtt, $NF)}' mtt=$mtt`;
	 shift
	;;

    *)

esac

echo Backup file $filename



#Check whether archive exists here
if [ -f "$filename" ]; then
    echo File $filename already exists - exiting
    exit    
fi

# Listing files to ignore
#echo Finding irrelevant files
#find $dirs -name '*.*' -print |\
#  grep 'dvi$\|ps$\|gif$\|log$\|dat$\|MTT_work\|core\|~$' >IGNORE
#wc IGNORE | gawk '{print "Ignoring", $1, "files"}'

#echo examples >> IGNORE

#Inform user
echo Backing up $dirs to $filename

#Tar the files
#tar --exclude-from IGNORE --create --gzip --file $filename $dir
tar --create --gzip --file $filename $dirs
#Size info
ls -l $filename
#