user/dev discussion of public-inbox itself
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* [PATCH] lei sucks: don't warn or error out on missing dependencies
@ 2021-06-20  4:33 Eric Wong
  0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2021-06-20  4:33 UTC (permalink / raw)
  To: meta

%INC can hold undef.  This can be hit on a Linux machine missing
Linux::Inotify2.  Loading PublicInbox::KQNotify is attempted and
PublicInbox/ always exists, causing the `undef' entry
in %INC when it fails to load IO::KQueue.

$ perl -MData::Dumper -I lib \
	-E 'eval { require PublicInbox::KQNotify }; say Dumper(\%INC)'
 lib/PublicInbox/ | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/ b/lib/PublicInbox/
index a71158f3..3e945d0b 100644
--- a/lib/PublicInbox/
+++ b/lib/PublicInbox/
@@ -55,7 +55,7 @@ sub lei_sucks {
 	my $dig = Digest::SHA->new(1);
 	push @out, "public-inbox blob OIDs of loaded features:\n";
 	for my $m (grep(m{^PublicInbox/}, sort keys %INC)) {
-		my $f = $INC{$m};
+		my $f = $INC{$m} // next; # lazy require failed (missing dep)
 		$dig->add('blob '.(-s $f)."\0");
 		push @out, '  '.$dig->hexdigest.' '.$m."\n";

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2021-06-20  4:33 [PATCH] lei sucks: don't warn or error out on missing dependencies Eric Wong

user/dev discussion of public-inbox itself

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