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#!/usr/bin/perl -w
use Encode;
use Text::Tabs;
use Getopt::Std;
use strict;
our ($opt_n, $opt_t);
getopts('t:n'); # this removes -t and -n from @ARGV;
my $tabstop = $opt_t if ($opt_t);
my $dry_run = $opt_n;
my $any_bad = 0;
my @files = @ARGV;
unless (@files)
{
open FLIST, "git ls-files|" or die "Can't run git ls-files";
@files = <FLIST>;
close FLIST;
}
for (@files)
{
chomp;
next if -d $_;
-f $_ or (print(STDERR "Can't read $_\n"), next);
next if /webserver\/static\/scripts\/contrib\//i;
next if /\.(png|gif|ttf|ico|icns|fig|tex|eps|pdf)$/i;
next if /\.(sln|vim|pbxproj|vsprops|plist|csproj|config|cs)$/i;
next if /\.(vcproj|vcproj\.user|vcxproj|vcxproj\.filters)$/i;
next if m[(^|/)\.git(modules|attributes)$];
next if /\.(lex|tab)\./;
next if !/\./;
my $tab = /\.(rb|pl|sh)$/; # Allow tabs for these files.
$tab = 1 if /Makefile/i; # ... and for makefiles.
my $bom = /\.js$/; # And BOM for these.
$bom = 1 if /CREDITS/;
undef local $/;
open F, "<$_" or die "Can't open $_";
my $file = $_;
my $cont=$_=<F>;
close F;
eval{decode("UTF-8", "$_", Encode::FB_CROAK)};
if ($@)
{
print "invalid UTF-8: $file\n";
# We don't know the actual encoding, assume a Windows-using american/
# frenchman/german/finn. Sorry, polacks and russkies.
Encode::from_to($_, "CP1252", "UTF-8");
}
$_.="\n", print "missing newline at eof: $file\n" unless /\n$/s or /^$/;
print "extra newlines at eof: $file\n" if s/\n+\n$/\n/s;
$_=expand $_, print "tab: $file\n" if !$tab && /\t/;
print "spaces at eol: $file\n" if s/ +\n/\n/sg;
print "CR: $file\n" if s/\r//sg;
# Note: it's a byte string, as we had to handle invalid encodings above,
# and $cont may be invalid.
print "zero width space: $file\n" if s/\xe2\x80\x8b//sg; # U+200B
print "BOM: $file\n" if !$bom && s/\xef\xbb\xbf//sg; # U+FFEF
print "Control statement space: $file\n" if $file =~ /\.(cc|h|js)$/i
&& s/\b(if|while|for|switch|catch)\(/$1 (/sg;
if ($_ ne $cont)
{
$any_bad = 1;
if (!$dry_run)
{
open F, ">$file" or die;
print F;
close F;
}
}
}
exit 1 if ($dry_run and $any_bad);
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