sub new {
my ($class, $git_dir) = @_;
- bless { git_dir => $git_dir }, $class
+ my @st;
+ $st[7] = $st[10] = 0;
+ bless { git_dir => $git_dir, st => \@st }, $class
+}
+
+sub alternates_changed {
+ my ($self) = @_;
+ my $alt = "$self->{git_dir}/objects/info/alternates";
+ my @st = stat($alt) or return 0;
+ my $old_st = $self->{st};
+ # 10 - ctime, 7 - size
+ return 0 if ($st[10] == $old_st->[10] && $st[7] == $old_st->[7]);
+ $self->{st} = \@st;
}
sub _bidi_pipe {
sub cat_file {
my ($self, $obj, $ref) = @_;
+ my ($retried, $in, $head);
+again:
batch_prepare($self);
$self->{out}->print($obj, "\n") or fail($self, "write error: $!");
- my $in = $self->{in};
+ $in = $self->{in};
local $/ = "\n";
- my $head = $in->getline;
- $head =~ / missing$/ and return undef;
+ $head = $in->getline;
+ if ($head =~ / missing$/) {
+ if (!$retried && alternates_changed($self)) {
+ $retried = 1;
+ cleanup($self);
+ goto again;
+ }
+ return;
+ }
$head =~ /^[0-9a-f]{40} \S+ (\d+)$/ or
fail($self, "Unexpected result from git cat-file: $head");
use File::Temp qw/tempdir/;
my $dir = tempdir('pi-git-XXXXXX', TMPDIR => 1, CLEANUP => 1);
use Cwd qw/getcwd/;
+use PublicInbox::Spawn qw(popen_rd);
use_ok 'PublicInbox::Git';
{
ok($gcf->packed_bytes > 0, 'packed size is positive');
}
+if ('alternates reloaded') {
+ my $alt = tempdir('pi-git-XXXXXX', TMPDIR => 1, CLEANUP => 1);
+ my @cmd = ('git', "--git-dir=$alt", qw(hash-object -w --stdin));
+ is(system(qw(git init -q --bare), $alt), 0, 'create alt directory');
+ open my $fh, '<', "$alt/config" or die "open failed: $!\n";
+ my $rd = popen_rd(\@cmd, {}, { 0 => fileno($fh) } );
+ close $fh or die "close failed: $!";
+ chomp(my $remote = <$rd>);
+ my $gcf = PublicInbox::Git->new($dir);
+ is($gcf->cat_file($remote), undef, "remote file not found");
+ open $fh, '>>', "$dir/objects/info/alternates" or
+ die "open failed: $!\n";
+ print $fh "$alt/objects" or die "print failed: $!\n";
+ close $fh or die "close failed: $!";
+ my $found = $gcf->cat_file($remote);
+ open $fh, '<', "$alt/config" or die "open failed: $!\n";
+ my $config = eval { local $/; <$fh> };
+ is($$found, $config, 'alternates reloaded');
+}
+
done_testing();