config: ignore missing config files

There's no reason for us to have git-config(1) warn users when a
config file is entirely missing.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/PublicInbox/Config.pm b/lib/PublicInbox/Config.pm
index da443e58..2ff266f1 100644
--- a/lib/PublicInbox/Config.pm
+++ b/lib/PublicInbox/Config.pm
@@ -147,6 +147,7 @@ sub default_file {
 sub git_config_dump {
         my ($file) = @_;
         my (%section_seen, @section_order);
+        return {} unless -e $file;
         my @cmd = (qw/git config/, "--file=$file", '-l');
         my $cmd = join(' ', @cmd);
         my $fh = popen_rd(\@cmd) or die "popen_rd failed for $file: $!\n";