git: ->qx: respect caller's $/ in array context

This could lead to bad results when doing ls-tree -z
for v2 import in case there's multiple files.  In any case,
the `local $/ = "\0"' in Import.pm is also eliminated to
reduce potential confusion and surprises.

1 files changed, 2 insertions, 4 deletions

diff --git a/lib/PublicInbox/Import.pm b/lib/PublicInbox/Import.pm
index a070aa1e..e803ee74 100644
--- a/lib/PublicInbox/Import.pm
+++ b/lib/PublicInbox/Import.pm
@@ -68,11 +68,9 @@ sub gfi_start {
                 chomp($self->{tip} = $git->qx(qw(rev-parse --revs-only), $ref));
                 die "fatal: rev-parse --revs-only $ref: \$?=$?" if $?;
                 if ($self->{path_type} ne '2/38' && $self->{tip}) {
-                        local $/ = "\0";
-                        my @t = $git->qx(qw(ls-tree -r -z --name-only), $ref);
+                        my $t = $git->qx(qw(ls-tree -r -z --name-only), $ref);
                         die "fatal: ls-tree -r -z --name-only $ref: \$?=$?" if $?;
-                        chomp @t;
-                        $self->{-tree} = { map { $_ => 1 } @t };
+                        $self->{-tree} = { map { $_ => 1 } split(/\0/, $t) };
                 }
                 $in_r = $self->{in} = $git->popen(qw(fast-import
                                         --quiet --done --date-format=raw),