lei: avoid needless env passing to subcommands

We already localize %ENV before calling dispatch(), so
it's needless overhead in spawn() to be checking env for
undef values in those cases.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index 4f8706e7..630da67c 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -218,7 +218,7 @@ sub _post_augment_mbox { # open a compressor process
         my $cmd = zsfx2cmd($zsfx, undef, $lei);
         my ($r, $w) = @{delete $lei->{zpipe}};
         my $rdr = { 0 => $r, 1 => $lei->{1}, 2 => $lei->{2} };
-        my $pid = spawn($cmd, $lei->{env}, $rdr);
+        my $pid = spawn($cmd, undef, $rdr);
         my $pp = gensym;
         my $dup = bless { "pid.$pid" => $cmd }, ref($lei);
         $dup->{$_} = $lei->{$_} for qw(2 sock);
@@ -231,7 +231,7 @@ sub _post_augment_mbox { # open a compressor process
 sub decompress_src ($$$) {
         my ($in, $zsfx, $lei) = @_;
         my $cmd = zsfx2cmd($zsfx, 1, $lei);
-        popen_rd($cmd, $lei->{env}, { 0 => $in, 2 => $lei->{2} });
+        popen_rd($cmd, undef, { 0 => $in, 2 => $lei->{2} });
 }
 
 sub dup_src ($) {