[PATCH 6/9] convert: shift @ARGV explicitly

[Eric Wong <e@yhbt.net>]

Relying on implicit "@_" for shift fails with
TestCommon::_run_sub iff GetOptions modifies @ARGV.
---
 script/public-inbox-convert | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/script/public-inbox-convert b/script/public-inbox-convert
index acecf3d5..281313e0 100755
--- a/script/public-inbox-convert
+++ b/script/public-inbox-convert
@@ -19,8 +19,8 @@ my %opts = (
 	'--index!' => \$index,
 );
 GetOptions(%opts) or die "bad command-line args\n$usage";
-my $old_dir = shift or die $usage;
-my $new_dir = shift or die $usage;
+my $old_dir = shift(@ARGV) or die $usage;
+my $new_dir = shift(@ARGV) or die $usage;
 die "$new_dir exists\n" if -d $new_dir;
 die "$old_dir not a directory\n" unless -d $old_dir;
 my $config = eval { PublicInbox::Config->new };