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svn-git: Use binmode for reading/writing binary rev maps 

Otherwise, there is a possible interaction with UTF-8 locales in
combination with PERL_UNICODE, resulting in "inconsistent size: 40" or
"read:"-type errors.

See also:
    perldoc -f binmode
    <http://perldoc.perl.org/perl581delta.html#UTF-8-no-longer-default-under-UTF-8-locales>

Signed-off-by: Michael Weber <michaelw@foldr.org>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Weber 2008-04-18 15:12:04 +02:00 committed by Junio C Hamano
parent a6f47b2be4
commit 4f7ec79708
1 changed files with 4 additions and 0 deletions
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git-svn.perl
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@ -2506,6 +2506,7 @@ sub rebuild_from_rev_db {
my ($self, $path) = @_;
my $r = -1;
open my $fh, '<', $path or croak "open: $!";
binmode $fh or croak "binmode: $!";
while (<$fh>) {
length($_) == 41 or croak "inconsistent size in ($_) != 41";
chomp($_);
@ -2603,6 +2604,7 @@ sub rebuild {
sub _rev_map_set {
my ($fh, $rev, $commit) = @_;
binmode $fh or croak "binmode: $!";
my $size = (stat($fh))[7];
($size % 24) == 0 or croak "inconsistent size: $size";
@ -2706,6 +2708,7 @@ sub rev_map_max {
my $map_path = $self->map_path;
stat $map_path or return $want_commit ? (0, undef) : 0;
sysopen(my $fh, $map_path, O_RDONLY) or croak "open: $!";
binmode $fh or croak "binmode: $!";
my $size = (stat($fh))[7];
($size % 24) == 0 or croak "inconsistent size: $size";
@ -2738,6 +2741,7 @@ sub rev_map_get {
return undef unless -e $map_path;
sysopen(my $fh, $map_path, O_RDONLY) or croak "open: $!";
binmode $fh or croak "binmode: $!";
my $size = (stat($fh))[7];
($size % 24) == 0 or croak "inconsistent size: $size";