solver_git: shorten scalar lifetimes

[public-inbox.git] / lib / PublicInbox / SolverGit.pm

diff --git a/lib/PublicInbox/SolverGit.pm b/lib/PublicInbox/SolverGit.pm
index b0cd0f2c20be67c596b130d923941918a1adcf0d..5d5060f453cbf58da624c64f27cb13e6ab7dc221 100644 (file)
--- a/lib/PublicInbox/SolverGit.pm
+++ b/lib/PublicInbox/SolverGit.pm
@@ -111,8 +111,6 @@ sub extract_diff ($$) {
        my ($self, $want, $smsg) = @$arg;
        my ($part) = @$p; # ignore $depth and @idx;
        my $ct = $part->content_type || 'text/plain';
-       my ($s, undef) = msg_part_text($part, $ct);
-       defined $s or return;
        my $post = $want->{oid_b};
        my $pre = $want->{oid_a};
        if (!defined($pre) || $pre !~ /\A[a-f0-9]+\z/) {
@@ -122,11 +120,12 @@ sub extract_diff ($$) {
        # Email::MIME::Encodings forces QP to be CRLF upon decoding,
        # change it back to LF:
        my $cte = $part->header('Content-Transfer-Encoding') || '';
+       my ($s, undef) = msg_part_text($part, $ct);
+       defined $s or return;
+       delete $part->{bdy};
        if ($cte =~ /\bquoted-printable\b/i && $part->crlf eq "\n") {
                $s =~ s/\r\n/\n/sg;
        }
-
-
        $s =~ m!( # $1 start header lines we save for debugging:
 
                # everything before ^index is optional, but we don't
@@ -169,6 +168,7 @@ sub extract_diff ($$) {
                # because git-apply(1) handles that case, too
                (?:^(?:[\@\+\x20\-\\][^\n]*|)$LF)+
        )!smx or return;
+       undef $s; # free memory
 
        my $di = {
                hdr_lines => $1,