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#!@PERL5@
#
# $NetBSD: patchdiff.pl,v 1.16 2016/02/10 16:00:10 wiz Exp $
#
# patchdiff: compares a set of patches in the patch dir with their predecessors
#
# Copyright (c) 2000, 2011 by Dieter Baron <dillo@giga.or.at> and
# Thomas Klausner <wiz@NetBSD.org>
# Copyright (c) 2016 Thomas Klausner <wiz@NetBSD.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
use Getopt::Std;
use Cwd;
use File::Spec;
my $patchdir, $patchdir;
my $wrkdir, $thisdir;
my %orig, %new;
sub getfilename {
my $fname=shift;
local $_;
local *handle;
open(handle, $fname);
while (<handle>) {
next unless m/^\+\+\+[ ]([^ ]*)/;
close(handle);
$_ = $1;
chomp();
s/^\.\///; # ignore leading "./", if any.
return $_;
}
close(handle);
return undef;
}
sub putinhash {
my $hash=shift;
my $files=shift;
my $temp;
local *handle;
open(handle, "ls $files|");
while(<handle>) {
chomp;
$temp=getfilename($_);
$$hash{$temp}=File::Spec->abs2rel($_, $thisdir);
}
close(handle);
}
getopts('Dd:h');
if ($opt_h) {
($prog) = ($0 =~ /([^\/]+)$/);
print STDERR <<EOF;
usage: $prog [-D | -d dir]
-D look at patches in \$WRKDIR/.newpatches
-d dir look at patches in this directory
EOF
exit 0;
};
%orig=();
%new=();
$thisdir=cwd();
chomp($thisdir);
$wrkdir=`@MAKE@ show-var VARNAME=WRKDIR` or
die ("can't find WRKDIR -- wrong dir?");
chomp($wrkdir);
$origpatchdir=`@MAKE@ show-var VARNAME=PATCHDIR` or
die ("can't find PATCHDIR -- wrong dir?");
chomp($origpatchdir);
if ($opt_D) {
$patchdir = "$wrkdir/.newpatches";
} elsif ($opt_d) {
if (-d "/$opt_d") {
$patchdir = $opt_d;
} else {
$patchdir = "$thisdir/$opt_d";
}
} else {
$patchdir = $origpatchdir;
}
if ( ! -d $patchdir) {
print "No patches found (directory $patchdir not found)\n";
exit(0);
}
open(HANDLE, "find ${patchdir} -type f -name \\\*.orig |");
foreach (sort <HANDLE>) {
$orig = $_;
chomp($orig);
$new = $orig;
$new =~ s/.orig$//;
if (! -f "$new") {
print "File $new removed\n";
} else {
$diff=`diff $orig $new`;
if ($diff) {
if (! -s $orig) {
print "New file $new\n";
} else {
print "Comparing $orig to $new\n$diff";
}
} else {
print "$orig and $new are the same";
}
}
}
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