22. sfreeze

NOTE : Korn shell /bin/ksh is got by installing pdksh*.rpm from Linux contrib cdrom

Save this file as text file and chmod a+rx on it.

#!/bin/ksh

# CVS program sfreeze
# Program to freeze and cut out the release of source tree from CVS

cmdname=`basename $0`

Usage()
{
        clear
        print "\nUsage: $cmdname symbolic_tag <directory name> "

        print "\nFor example :- "
        print "   cd \$HOME"
        print "   $cmdname  REVISION_1   myprojectsource_directory"
        print "To see the list of revisons do -"
        print "slog <filename> and see the symbolic name and do -"
        print "cvs history -T"

        print "\nTo create a branch off-shoot from main trunk, use"
        print "the -b and -r options which makes the tag a branch tag. This is"
        print "useful for creating a patch to previously released software"
        print "For example :- "
        print "   cd \$HOME"
        print "   cvs rtag -b -r REVISION_1   REVISION_1_1   myprojectsource_directory"
        print " "

#   print "\nTag info is located at \$CVSROOT/CVSROOT/taginfo,v"
#   print "You can do - cd $HOME; sget CVSROOT"
#   print "to see this file"
        exit
}

# Command getopt will not supported in next major release.
# Use getopts instead.
#while getopts r: ii
#do
#       case $ii in
#               r) FLAG1=$ii; OARG1="$OPTARG";;
#               ?) Usage; exit 2;;
#       esac
#done
#shift ` expr $OPTIND - 1 `

#echo FLAG1 = $FLAG1 , OARG1 = $OARG1

if [ $# -lt 2 ]; then
        Usage
fi

if [ ! -d $2 ]; then
        print "\nError: Second argument $2 is not a directory!"
        print "       Aborting $cmdname...."
        print " "
        exit
fi

homedir=` echo $HOME | cut -f1 -d' '  `
if [ "$homedir" = "" ]; then
        print "\nError: \$HOME is not set!!\n"
        exit
fi

cur_dir=`pwd`
len=${#homedir}
len=$(($len + 2))
subdir=` echo $cur_dir | cut -b $len-2000 `
#echo "subdir is : " $subdir

# CVS directory in your local directory is required for all commands..
if [ ! -d  "$homedir/$subdir/CVS" ]; then
        tmpaa=` (cd "$CVSROOT/$subdir"; find * -prune -type f -print | head -1 ) `
        tmpbb=`basename $tmpaa | cut -d',' -f1 `
        if [ "$tmpaa" = "" -o ! -f "$CVSROOT/$subdir/$tmpbb,v" ]; then
                print "\nThe directory $homedir/$subdir/CVS does not exist"
                print "You must do a sget on `basename $subdir` directory. Give -"
                print "       cd $homedir/`dirname $subdir` "
                print "       sget `basename $subdir` "
                exit
        else
                # Now try to create CVS in local dir by sget
                (
                        cd "$homedir"
                        if [ "$subdir" = "." ]; then  # don't use dot, will mess up cvs
                                cvs -r checkout -A $tmpbb
                        else
                                cvs -r checkout -A "$subdir/$tmpbb"
                        fi
                )
        fi
fi

if [ "$cur_dir" != "$homedir" ]; then
        print "\nYou are not in home directory $homedir!!"
        print "You must give the sfreeze command "
        print "from home directory $homedir"
        exit
fi

# cvs rtag symbolic_tag <directory name>
cvs rtag $1 $2

print "\nDone $cmdname. $cmdname successful"