#!/usr/bin/perl

#
# This script restores files to the CVS revisions specified by the
# input.  It expects revisions specified as
#	directory name/CVS/Entries
#	... 
#	    contents of Entries file 
#       ...
#
# This is how revisions files are generated by the script
# backuprevisions.
#
# To use this script:
#	cvs co module
#	cd module
#	restorerevisitons < revisionsfile
#
# You can then apply patches using cvspatch:
#	cd module
#	cvspatch difffile
#

while (<STDIN>) {
	if (/(.*)\/CVS/) {
		printf("Entering directory: %s\n", $1);
		$dir = $1;
	} elsif (/^D\/(.*)\/(.*)\/(.*)\/(.*)\//) {
		# Do nothing in this case
	} elsif (/^\/(.*)\/(.*)\/(.*)\/(.*)\//) {
		$file = $1;
		$rev = $2;
		printf("Restore $dir/$file to revision $rev\n");
		@args = ("cvs", "update", "-r", $rev, "$dir/$file");
		system(@args) == 0 or die "system @args failed: $?";
	}
}