[PATCH 21/30] test_common: use $cwdfh for every run_script command

[Eric Wong]

It's not lei-specific since we have `-C' to perform chdir
for multiple admin commands.
---
 lib/PublicInbox/TestCommon.pm | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/lib/PublicInbox/TestCommon.pm b/lib/PublicInbox/TestCommon.pm
index 96663731..5ad12942 100644
--- a/lib/PublicInbox/TestCommon.pm
+++ b/lib/PublicInbox/TestCommon.pm
@@ -15,7 +15,7 @@ use Carp ();
 our @EXPORT;
 my $lei_loud = $ENV{TEST_LEI_ERR_LOUD};
 my $tail_cmd = $ENV{TAIL};
-our ($lei_opt, $lei_out, $lei_err, $lei_cwdfh);
+our ($lei_opt, $lei_out, $lei_err);
 use autodie qw(chdir close fcntl open opendir seek unlink);
 
 $_ = File::Spec->rel2abs($_) for (grep(!m!^/!, @INC));
@@ -410,15 +410,12 @@ sub run_script ($;$$) {
                local $SIG{FPE} = 'IGNORE'; # Perl default
                local $0 = join(' ', @$cmd);
                my $orig_io = _prepare_redirects($fhref);
-               my $cwdfh = $lei_cwdfh;
-               if (my $d = $opt->{'-C'}) {
-                       $cwdfh or opendir $cwdfh, '.';
-                       chdir $d;
-               }
+               opendir(my $cwdfh, '.');
+               chdir $opt->{-C} if defined $opt->{-C};
                _run_sub($sub, $key, \@argv);
                # n.b. all our uses of PublicInbox::DS should be fine
                # with this and we can't Reset here.
-               chdir($cwdfh) if $cwdfh;
+               chdir($cwdfh);
                _undo_redirects($orig_io);
                select STDOUT;
                umask($umask);
@@ -672,9 +669,7 @@ sub test_lei {
 SKIP: {
        my ($cb) = pop @_;
        my $test_opt = shift // {};
-       local $lei_cwdfh;
        use autodie qw(mkdir);
-       opendir $lei_cwdfh, '.';
        require_git(2.6, 1);
        my $mods = $test_opt->{mods} // [ 'lei' ];
        require_mods(@$mods, 2);