[PATCH 3/3] emergency: create full path to PI_EMERGENCY

[Eric Wong <e@yhbt.net>]

It's possible for ~/.public-inbox/ to not exist if PI_CONFIG
points to an alternate location.  Only noticed from the previous
patch fixing t/init.t behavior.
---
 lib/PublicInbox/Emergency.pm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/PublicInbox/Emergency.pm b/lib/PublicInbox/Emergency.pm
index 02900bb1..b705e776 100644
--- a/lib/PublicInbox/Emergency.pm
+++ b/lib/PublicInbox/Emergency.pm
@@ -12,11 +12,13 @@ use IO::Handle; # ->flush, ->autoflush
 sub new {
 	my ($class, $dir) = @_;
 
-	-d $dir or mkdir($dir) or die "failed to mkdir($dir): $!\n";
 	foreach (qw(new tmp cur)) {
 		my $d = "$dir/$_";
 		next if -d $d;
-		-d $d or mkdir($d) or die "failed to mkdir($d): $!\n";
+		require File::Path;
+		if (!File::Path::mkpath($d) && !-d $d) {
+			die "failed to mkpath($d): $!\n";
+		}
 	}
 	bless { dir => $dir, files => {}, t => 0, cnt => 0, pid => $$ }, $class;
 }