about summary refs log tree commit homepage
diff options
context:
space:
mode:
-rw-r--r--lib/PublicInbox/Git.pm47
-rw-r--r--lib/PublicInbox/GitAsyncCat.pm2
2 files changed, 26 insertions, 23 deletions
diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index c5a3fa46..1c148086 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -123,7 +123,6 @@ sub _bidi_pipe {
                 fcntl($out_w, 1031, 4096);
                 fcntl($in_r, 1031, 4096) if $batch eq '--batch-check';
         }
-        $self->{$batch} = \(my $rbuf = '');
         $self->{$out} = $out_w;
         $self->{$in} = $in_r;
 }
@@ -160,18 +159,20 @@ sub cat_async_step ($$) {
         my ($self, $inflight) = @_;
         die 'BUG: inflight empty or odd' if scalar(@$inflight) < 2;
         my ($cb, $arg) = splice(@$inflight, 0, 2);
-        my $head = my_readline($self->{in}, $self->{'--batch'});
-        $head =~ / missing$/ and return
-                eval { $cb->(undef, undef, undef, undef, $arg) };
-
-        $head =~ /^([0-9a-f]{40}) (\S+) ([0-9]+)$/ or
+        my $rbuf = delete($self->{cat_rbuf}) // \(my $new = '');
+        my ($bref, $oid, $type, $size);
+        my $head = my_readline($self->{in}, $rbuf);
+        if ($head =~ /^([0-9a-f]{40}) (\S+) ([0-9]+)$/) {
+                ($oid, $type, $size) = ($1, $2, $3 + 0);
+                $bref = my_read($self->{in}, $rbuf, $size + 1) or
+                        fail($self, defined($bref) ? 'read EOF' : "read: $!");
+                chop($$bref) eq "\n" or fail($self, 'LF missing after blob');
+        } elsif ($head !~ / missing$/) {
                 fail($self, "Unexpected result from async git cat-file: $head");
-        my ($oid_hex, $type, $size) = ($1, $2, $3 + 0);
-        my $ret = my_read($self->{in}, $self->{'--batch'}, $size + 1);
-        fail($self, defined($ret) ? 'read EOF' : "read: $!") if !$ret;
-        chop($$ret) eq "\n" or fail($self, 'newline missing after blob');
-        eval { $cb->($ret, $oid_hex, $type, $size, $arg) };
-        warn "E: $oid_hex $@\n" if $@;
+        }
+        eval { $cb->($bref, $oid, $type, $size, $arg) };
+        $self->{cat_rbuf} = $rbuf if $$rbuf ne '';
+        warn "E: $oid: $@\n" if $@;
 }
 
 sub cat_async_wait ($) {
@@ -188,12 +189,13 @@ sub batch_prepare ($) {
 
 sub cat_file {
         my ($self, $obj, $sizeref) = @_;
-        my ($retried, $head);
+        my ($retried, $head, $rbuf);
         cat_async_wait($self);
 again:
         batch_prepare($self);
+        $rbuf = delete($self->{cat_rbuf}) // \(my $new = '');
         print { $self->{out} } $obj, "\n" or fail($self, "write error: $!");
-        $head = my_readline($self->{in}, $self->{'--batch'});
+        $head = my_readline($self->{in}, $rbuf);
         if ($head =~ / missing$/) {
                 if (!$retried && alternates_changed($self)) {
                         $retried = 1;
@@ -207,7 +209,8 @@ again:
 
         my $size = $1 + 0;
         $$sizeref = $size if $sizeref;
-        my $ret = my_read($self->{in}, $self->{'--batch'}, $size + 1);
+        my $ret = my_read($self->{in}, $rbuf, $size + 1);
+        $self->{cat_rbuf} = $rbuf if $$rbuf ne '';
         fail($self, defined($ret) ? 'read EOF' : "read: $!") if !$ret;
         chop($$ret) eq "\n" or fail($self, 'newline missing after blob');
         $ret;
@@ -217,7 +220,8 @@ sub check {
         my ($self, $obj) = @_;
         _bidi_pipe($self, qw(--batch-check in_c out_c pid_c err_c));
         print { $self->{out_c} } $obj, "\n" or fail($self, "write error: $!");
-        chomp(my $line = my_readline($self->{in_c}, $self->{'--batch-check'}));
+        my $rbuf = ''; # TODO: async + {chk_rbuf}
+        chomp(my $line = my_readline($self->{in_c}, \$rbuf));
         my ($hex, $type, $size) = split(' ', $line);
 
         # Future versions of git.git may show 'ambiguous', but for now,
@@ -227,8 +231,7 @@ sub check {
         return if $type eq 'missing' || $type eq 'ambiguous';
 
         if ($hex eq 'dangling' || $hex eq 'notdir' || $hex eq 'loop') {
-                my $ret = my_read($self->{in_c}, $self->{'--batch-check'},
-                                $type + 1);
+                my $ret = my_read($self->{in_c}, \$rbuf, $type + 1);
                 fail($self, defined($ret) ? 'read EOF' : "read: $!") if !$ret;
                 return;
         }
@@ -237,9 +240,9 @@ sub check {
 }
 
 sub _destroy {
-        my ($self, $batch, $in, $out, $pid, $err) = @_;
+        my ($self, $rbuf, $in, $out, $pid, $err) = @_;
         my $p = delete $self->{$pid} or return;
-        delete @$self{($batch, $in, $out)};
+        delete @$self{($rbuf, $in, $out)};
         delete $self->{$err} if $err; # `err_c'
 
         # PublicInbox::DS may not be loaded
@@ -278,8 +281,8 @@ sub qx {
 sub cleanup {
         my ($self) = @_;
         cat_async_wait($self);
-        _destroy($self, qw(--batch in out pid));
-        _destroy($self, qw(--batch-check in_c out_c pid_c err_c));
+        _destroy($self, qw(cat_rbuf in out pid));
+        _destroy($self, qw(chk_rbuf in_c out_c pid_c err_c));
         !!($self->{pid} || $self->{pid_c});
 }
 
diff --git a/lib/PublicInbox/GitAsyncCat.pm b/lib/PublicInbox/GitAsyncCat.pm
index f168169f..65e16121 100644
--- a/lib/PublicInbox/GitAsyncCat.pm
+++ b/lib/PublicInbox/GitAsyncCat.pm
@@ -30,7 +30,7 @@ sub event_step {
         my $inflight = $git->{inflight};
         if (@$inflight) {
                 $git->cat_async_step($inflight);
-                $self->requeue if @$inflight || length(${$git->{'--batch'}});
+                $self->requeue if @$inflight || exists $git->{cat_rbuf};
         }
 }