1#!/usr/bin/perl
2use strict;
3use FindBin qw($Bin);
4chdir "$Bin/.." or die;
5
6my @exempted = qw(Makefile.am ChangeLog doc/Makefile.am README README.md);
7push(@exempted, glob("doc/*.xml"));
8push(@exempted, glob("doc/xml2rfc/*.xsl"));
9push(@exempted, glob("m4/*backport*m4"));
10my %exempted_hash = map { $_ => 1 } @exempted;
11
12my @stuff = split /\0/, `git ls-files -z -c -m -o --exclude-standard`;
13my @files = grep { ! $exempted_hash{$_} } @stuff;
14
15unless (@files) {
16    warn "ERROR: You don't seem to be running this from a git checkout\n";
17    exit;
18}
19
20foreach my $f (@files) {
21    open(my $fh, $f) or die;
22    my $before = do { local $/; <$fh>; };
23    close ($fh);
24    my $after = $before;
25    $after =~ s/\t/    /g;
26    $after =~ s/ +$//mg;
27    $after .= "\n" unless $after =~ /\n$/;
28    next if $after eq $before;
29    open(my $fh, ">$f") or die;
30    print $fh $after;
31    close($fh);
32}
33