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#!/usr/bin/perl -w
# --- BEGIN COPYRIGHT BLOCK ---
# This Program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; version 2 of the License.
#
# This Program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place, Suite 330, Boston, MA 02111-1307 USA.
#
# In addition, as a special exception, Red Hat, Inc. gives You the additional
# right to link the code of this Program with code not covered under the GNU
# General Public License ("Non-GPL Code") and to distribute linked combinations
# including the two, subject to the limitations in this paragraph. Non-GPL Code
# permitted under this exception must only link to the code of this Program
# through those well defined interfaces identified in the file named EXCEPTION
# found in the source code files (the "Approved Interfaces"). The files of
# Non-GPL Code may instantiate templates or use macros or inline functions from
# the Approved Interfaces without causing the resulting work to be covered by
# the GNU General Public License. Only Red Hat, Inc. may make changes or
# additions to the list of Approved Interfaces. You must obey the GNU General
# Public License in all respects for all of the Program code and other code used
# in conjunction with the Program except the Non-GPL Code covered by this
# exception. If you modify this file, you may extend this exception to your
# version of the file, but you are not obligated to do so. If you do not wish to
# provide this exception without modification, you must delete this exception
# statement from your version and license this file solely under the GPL without
# exception.
#
#
# Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
# Copyright (C) 2005 Red Hat, Inc.
# All rights reserved.
# --- END COPYRIGHT BLOCK ---
# take a solaris8 patch list and a solaris9 patch list and merge them
# together, removing duplicates
# we are looking for patches that have the same major revision
# number and release OS. We only want to keep the one with the highest
# minor revision number
# key is the major patch number
# the value is a hash ref which has two keys 'iminor' and 'val'
# the value of key 'iminor' is the minor patch number
# the system keeps track of all revisions (minor number) for each patch (major number)
# we only want to list the highest revision, since on Solaris higher revisions include
# and supersede lower revisions
# the value of key 'val' is the string to print out
%patches = ();
@lines = ();
for $file (@ARGV) {
open IN, $file or die "Error: could not open $file: $!";
while (<IN>) {
if (/^\s*\{(\d+),(\d+),\d,(\d+),/) {
$major = $1;
$minor = $2;
$rel = $3;
my $h = { 'val' => $_ };
$patches{$major}{$rel}{$minor} = $h;
if (! $patches{$major}{$rel}{highestminor}) {
$patches{$major}{$rel}{highestminor} = $minor;
} elsif ($patches{$major}{$rel}{highestminor} <= $minor) { # highest minor rev is lt or eq new minor
my $oldminor = $patches{$major}{$rel}{highestminor};
$patches{$major}{$rel}{$oldminor}->{skip} = 1;
$patches{$major}{$rel}{highestminor} = $minor;
} elsif ($patches{$major}{$rel}{highestminor} > $minor) {
# skip the new one
$h->{skip} = 1;
}
push @lines, $h; # put a hash ref into lines
} else {
push @lines, $_; # put the scalar value into lines
}
}
close IN;
}
for (@lines) {
if (ref($_)) {
if ($_->{skip}) {
chomp $_->{val};
print "/* duplicate or superseded ", $_->{val}, " */\n";
} else {
print $_->{val};
}
} else {
print;
}
}
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