lei: update {3} after -C chdirs

This is necessary for lei->rel2abs correctness, and may
eventually be useful if we can use *at syscalls.

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index ee991f80..74372532 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -640,6 +640,11 @@ sub dispatch {
                                 next if $d eq ''; # same as git(1)
                                 chdir $d or return fail($self, "cd $d: $!");
                         }
+                        if (delete $self->{3}) { # update cwd for rel2abs
+                                opendir my $dh, '.' or
+                                        return fail($self, "opendir . $!");
+                                $self->{3} = $dh;
+                        }
                 }
                 $cb->($self, @argv);
         } elsif (grep(/\A-/, $cmd, @argv)) { # --help or -h only