1 # Copyright (C) 2020 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
3 package PublicInbox::Gcf2Client;
5 use parent 'PublicInbox::Git';
6 use PublicInbox::Spawn qw(popen_rd);
11 my $self = bless {}, __PACKAGE__;
13 pipe($out_r, $out_w) or $self->fail("pipe failed: $!");
16 @$self{qw(in pid)} = popen_rd(['public-inbox-gcf2'], undef, $rdr);
17 $self->{inflight} = [];
18 $self->{out} = $out_w;
19 fcntl($out_w, 1031, 4096) if $^O eq 'linux'; # 1031: F_SETPIPE_SZ
25 my ($self, $git_dir) = @_;
27 # ensure buffers are drained, length($git_dir) may exceed
28 # PIPE_BUF on platforms where PIPE_BUF is only 512 bytes
29 my $inflight = $self->{inflight};
30 while (scalar(@$inflight)) {
31 $self->cat_async_step($inflight);
33 print { $self->{out} } $git_dir, "\n" or
34 $self->fail("write error: $!");
37 # always false, since -gcf2 retries internally
38 sub alternates_changed {}