[PATCH] lei: ensure --stdin sets %ENV and $current_lei

[Eric Wong <e@80x24.org>]

--stdin usage means the current request can be delayed
indefinitely while other requests with different %ENV
come in.  So make sure our warnings and %ENV can match
non-stdin behavior.

This probably fix segfaults during process cleanup on OpenBSD
since _lei_atfork_child use non-localized assignment of
$current_lei.  But it could be another red herring.  Either way,
it's the right thing to do from an environment replication
perspective.
---
 lib/PublicInbox/LeiInspect.pm | 3 +++
 lib/PublicInbox/LeiLcat.pm    | 2 ++
 lib/PublicInbox/LeiQuery.pm   | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/lib/PublicInbox/LeiInspect.pm b/lib/PublicInbox/LeiInspect.pm
index d1dca4ef..0455e739 100644
--- a/lib/PublicInbox/LeiInspect.pm
+++ b/lib/PublicInbox/LeiInspect.pm
@@ -255,6 +255,9 @@ sub ins_add { # InputPipe->consume callback
 	my ($lei) = @_; # $_[1] = $rbuf
 	if (defined $_[1]) {
 		$_[1] eq '' and return eval {
+			$lei->fchdir;
+			local %ENV = %{$lei->{env}};
+			local $PublicInbox::LEI::current_lei = $lei;
 			my $str = delete $lei->{istr};
 			$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
 			my $eml = PublicInbox::Eml->new(\$str);
diff --git a/lib/PublicInbox/LeiLcat.pm b/lib/PublicInbox/LeiLcat.pm
index 8d89cb73..7ed191c3 100644
--- a/lib/PublicInbox/LeiLcat.pm
+++ b/lib/PublicInbox/LeiLcat.pm
@@ -128,6 +128,8 @@ sub _stdin { # PublicInbox::InputPipe::consume callback for --stdin
 	return $lei->{mset_opt}->{qstr} .= $_[1] if $_[1] ne '';
 	eval {
 		$lei->fchdir;
+		local %ENV = %{$lei->{env}};
+		local $PublicInbox::LEI::current_lei = $lei;
 		my @argv = split(/\s+/, $lei->{mset_opt}->{qstr});
 		$lei->{mset_opt}->{qstr} = extract_all($lei, @argv) or return;
 		$lei->_start_query;
diff --git a/lib/PublicInbox/LeiQuery.pm b/lib/PublicInbox/LeiQuery.pm
index 26cfb3fd..a23354f0 100644
--- a/lib/PublicInbox/LeiQuery.pm
+++ b/lib/PublicInbox/LeiQuery.pm
@@ -65,6 +65,8 @@ sub qstr_add { # PublicInbox::InputPipe::consume callback for --stdin
 	return $lei->{mset_opt}->{qstr} .= $_[1] if $_[1] ne '';
 	eval {
 		$lei->fchdir;
+		local %ENV = %{$lei->{env}};
+		local $PublicInbox::LEI::current_lei = $lei;
 		$lei->{mset_opt}->{q_raw} = $lei->{mset_opt}->{qstr};
 		$lei->{lse}->query_approxidate($lei->{lse}->git,
 						$lei->{mset_opt}->{qstr});