#!/usr/bin/perl

#
# cron script maker for webglimpse
#
# Edited 1/18/98 to print & exit instead of die so
# errors will show up as cgi script, exit code controlled.
#
##############################################

# Location of httpd directory
$WEBGLIMPSE_HOME = "/home/bugs/bugstopper-www";

# location of 'cat'
$CAT = "/bin/cat";

# The following variables are reset by wginstall
$PERL = "/usr/bin/perl";
$GLIMPSE_LOC = "/home/bugs/bugstopper-www/glimpse-4.1-bin-Linux-2.0.30-i486/bin/glimpse";
$GLIMPSEIDX_LOC = "/home/bugs/bugstopper-www/glimpse-4.1-bin-Linux-2.0.30-i486/bin/glimpseindex";
$CONVERT_LOC = "/home/bugs/bugstopper-www/glimpse-4.1-bin-Linux-2.0.30-i486/bin/wgconvert";
# End of reset variables

# make the formats okay
chomp $CAT;
chomp $PERL;
chomp $GLIMPSE_LOC;
chomp $GLIMPSEIDX_LOC;
chomp $CONVERT_LOC;

##############################################
#                                            #
# no configuration is needed below this line #
#                                            #
##############################################

# Get command-line options
$indexdir = $ARGV[0];
$usemaxmem = $ARGV[1];

# lock file
$LOCKFILE = "indexing-in-progress";

# lib directory
$WEBGLIMPSE_LIB = "$WEBGLIMPSE_HOME/lib";

# robot that retrieves files
$GHROBOT="$WEBGLIMPSE_HOME/makenh";

# to add the search box
$ADDSEARCH = "$WEBGLIMPSE_HOME/addsearch";

# name of cron file
$CRONFILE = "wgreindex";

# name of list of files to index
$TOINDEX = ".wg_toindex";

# name of list of files for which neighborhoods have been created --> bgopal oct/8/96
$MADENH = ".wg_madenh";

# options for Glimpseindex
#$GLIMPSEIDX_OPTIONS = "-o -t -F"; Added -h -X -U -f -C --> bgopal oct/6/96
$GLIMPSEIDX_OPTIONS = "-o -t -h -X -U -f -C -F";

# Added options for convert --> bgopal oct/6/1996
# Made -M switch optional --> GB 7/22/97
if ($usemaxmem == 1) {
	$CONVERT_OPTIONS = "-U -P .nh. -M -F -ni";
} else {
	$CONVERT_OPTIONS = "-U -P .nh. -F -ni";	
}

# version
$VERSION="1.1b1";

### Done setting variables

# If the user specified nothing, use the current directory for indexdir
if($indexdir eq ""){
	$indexdir=".";
}

# if the user specified a relative path, then get the "real", full path --GB 11/5/97
if ($indexdir !~ /^\//) {
	$startpwd = `pwd`;
	chomp($startpwd); # remove the \n

	chdir($indexdir);
	$indexdir = `pwd`;
	chomp($indexdir); # remove the \n

	chdir($startpwd);
}


$cronfile = $indexdir."/".$CRONFILE;

print "\n\nMaking reindexing script $cronfile\n";

$SHELL = `which sh`;

open(OUT, ">$cronfile") || (print "Cannot open $cronfile: " && exit -1);
print OUT "#!$SHELL\n\n";

print OUT "# CRONFILE FOR ARCHIVE IN DIRECTORY $indexdir\n\n";

print OUT ('quiet=""',"\n");
print OUT ('if [ "$1" = "-q" ] ; then',"\n");
print OUT ('  quiet="-q"',"\n");
print OUT "fi\n\n";

print OUT "# create a file to insure that no one searches during an index\n";
print OUT "touch $indexdir/$LOCKFILE\n\n";

print OUT "# delete the search boxes in all current files (filelist may change)\n";
print OUT "$ADDSEARCH $indexdir -r \$quiet\n\n";

print OUT "# Do the retrieving\n";
print OUT "$GHROBOT $indexdir \$quiet\n\n";

print OUT "# put the search box in the html files -- will check config file\n";
print OUT "#  and will not do anything if not wanted\n";
print OUT "$ADDSEARCH $indexdir\n\n";

print OUT "# Do the indexing\n";
$command = "$CAT $indexdir/$TOINDEX | ".
		"$GLIMPSEIDX_LOC -H ".$indexdir." $GLIMPSEIDX_OPTIONS";
print OUT ('if [ "$quiet" = "-q" ] ; then',"\n");
print OUT "   $command > /dev/null\n\n";
print OUT "else\n";
print OUT "   $command\n\n";
print OUT "fi\n\n";

#Added convert --> bgopal oct/6/1996
print OUT "# Compress neighborhood files\n";
$command = "$CAT $indexdir/$MADENH | ".
		"$CONVERT_LOC -H ".$indexdir." $CONVERT_OPTIONS";
print OUT ('if [ "$quiet" = "-q" ] ; then',"\n");
print OUT "  $command | grep \-v \"^hash_misses=0\"\n";
print OUT "else\n";
print OUT "  $command\n";
print OUT "fi\n\n";


print OUT "# now change the directory and set the permissions\n";
print OUT "cd $indexdir\n";
print OUT "chmod a+r .glimpse_*\n\n";

print OUT "# remove the locking file\n";
print OUT "/bin/rm -f $indexdir/$LOCKFILE\n\n";

close (OUT);

# change the permissions so we can execute it
chmod (0755, $cronfile);

# Last value returned is return code from chmod.