#! /usr/bin/perl
#
# This script is used to verify that the status.usrman file is current,
# at least with respect to which manpages are checked into the src/gno/usr.man
# directory hierarchy.
#
# Usage:	update.usrman < status.usrman > output
#
# In other words, it doesn't update the status.usrman file directly; the
# output file would then have to be copied back to the original name, assuming
# that it is satisfactory.

#
# Read the input file for existing entries.  Don't modify these.
#
while (<>) {
    chomp;
    if (m,^(man\S+)(.*),) {
	$entries{$1} = $2;
    } else {
	$header .= $_ . "\n";
    }
}

#
# Now get the list of checked in files.  We do this by parsing the CVS/Entries
# files directly.
#

@chapters = ( '1', '2', '3', '4', '5', '6', '7', '8' );
foreach $c (@chapters) {

    $file = "../usr.man/man$c/CVS/Entries";
    open(fp, "< $file") || die("couldn't open $file: $!");
    while (<fp>) {
	if (m,^/([^/]+\.$c)/,) {
	    $page = "man$c/$1";
	    $cvs{$page} = '';
	}
    }
    close(fp);
}

#
# Do some conchecks
#
@keylist_old = sort(keys(%entries));
for $k (@keylist_old) {
    defined($cvs{$k}) || 
	printf(stderr "Warning: page in input file but not checked in: %s\n",
	       $k);
}

#
# Do some updates
#
@keylist_new = sort(keys(%cvs));
for $k (@keylist_new) {
    defined($entries{$k}) || ($entries{$k} = "\t\t.\t\t.\t\t.");
}

#
# Now print out the result.
#
print $header;
@keylist = sort(keys(%entries));
foreach $k (@keylist) {
    if ($entries{$k} =~ m,^\s*$,) {
	$entries{$k} = "\t\t.\t\t.\t\t.";
    }
    printf("%s%s\n", $k, $entries{$k});
}