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authorEric Wong <e@80x24.org>2023-05-01 23:29:35 +0000
committerEric Wong <e@80x24.org>2023-05-02 13:06:36 +0000
commit9f2dfa6dbec4b5e162a9f4812351f567bbc331ee (patch)
tree85a19de2e117818798de3ec4d97453c46d37a381 /lib/PublicInbox/IMAP.pm
parent0de8537965927d200a36363d8f776e4ca5036ed8 (diff)
downloadpublic-inbox-9f2dfa6dbec4b5e162a9f4812351f567bbc331ee.tar.gz
daemon: improve handling of Git->async_abort
The $oid arg for Git->cat_async is defined on async_abort using
the original request, so use undefined $type to distinguish that
case in caller-supplied callbacks.  async_abort isn't common, of
course, but sometimes git subprocesses can die unexpectedly.
Diffstat (limited to 'lib/PublicInbox/IMAP.pm')
-rw-r--r--lib/PublicInbox/IMAP.pm10
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/PublicInbox/IMAP.pm b/lib/PublicInbox/IMAP.pm
index 37317948..00f99ef7 100644
--- a/lib/PublicInbox/IMAP.pm
+++ b/lib/PublicInbox/IMAP.pm
@@ -592,14 +592,16 @@ sub fetch_blob_cb { # called by git->cat_async via ibx_async_cat
         my ($self, undef, $msgs, $range_info, $ops, $partial) = @$fetch_arg;
         my $ibx = $self->{ibx} or return $self->close; # client disconnected
         my $smsg = shift @$msgs or die 'BUG: no smsg';
-        if (!defined($oid)) {
+        if (!defined($type)) {
+                warn "E: git aborted on $oid / $smsg->{blob} $ibx->{inboxdir}";
+                return $self->close;
+        } elsif ($type ne 'blob') {
                 # it's possible to have TOCTOU if an admin runs
                 # public-inbox-(edit|purge), just move onto the next message
-                warn "E: $smsg->{blob} missing in $ibx->{inboxdir}\n";
+                warn "E: $smsg->{blob} $type in $ibx->{inboxdir}\n";
                 return $self->requeue_once;
-        } else {
-                $smsg->{blob} eq $oid or die "BUG: $smsg->{blob} != $oid";
         }
+        $smsg->{blob} eq $oid or die "BUG: $smsg->{blob} != $oid";
         my $pre;
         ($self->{anon} && !$self->{wbuf} && $msgs->[0]) and
                 $pre = ibx_async_prefetch($ibx, $msgs->[0]->{blob},