lei_store: quiet down git user info being unset

lei_store contents aren't intended to become public, so there's
no point in nagging users for their email address for git
committer information like git does.

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/PublicInbox/LeiStore.pm b/lib/PublicInbox/LeiStore.pm
index f2aa45bd..8574d736 100644
--- a/lib/PublicInbox/LeiStore.pm
+++ b/lib/PublicInbox/LeiStore.pm
@@ -51,8 +51,9 @@ sub git_epoch_max  {
 
 sub git_ident ($) {
         my ($git) = @_;
-        chomp(my $i = $git->qx(qw(var GIT_COMMITTER_IDENT)));
-        warn "$git->{git_dir} GIT_COMMITTER_IDENT failed\n" if $?;
+        my $rdr = {};
+        open $rdr->{2}, '>', '/dev/null' or die "open /dev/null: $!";
+        chomp(my $i = $git->qx([qw(var GIT_COMMITTER_IDENT)], undef, $rdr));
         $i =~ /\A(.+) <([^>]+)> [0-9]+ [-\+]?[0-9]+$/ ? ($1, $2) :
                 ('lei user', 'x@example.com')
 }