remove unnecessary ->header_obj calls

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

diff --git a/lib/PublicInbox/ContentHash.pm b/lib/PublicInbox/ContentHash.pm
index 420dc5e7c92d28c05cfa183cf4059d5258afd786..1fe229559d2a584c6fc691e5851abde14f3ef59a 100644 (file)
--- a/lib/PublicInbox/ContentHash.pm
+++ b/lib/PublicInbox/ContentHash.pm
@@ -53,29 +53,28 @@ sub content_dig_i {
 }
 
 sub content_digest ($) {
-       my ($mime) = @_;
+       my ($eml) = @_;
        my $dig = Digest::SHA->new(256);
-       my $hdr = $mime->header_obj;
 
        # References: and In-Reply-To: get used interchangeably
        # in some "duplicates" in LKML.  We treat them the same
        # in SearchIdx, so treat them the same for this:
        # do NOT consider the Message-ID as part of the content_hash
        # if we got here, we've already got Message-ID reuse
-       my %seen = map { $_ => 1 } @{mids($hdr)};
-       foreach my $mid (@{references($hdr)}) {
+       my %seen = map { $_ => 1 } @{mids($eml)};
+       foreach my $mid (@{references($eml)}) {
                $dig->add("ref\0$mid\0") unless $seen{$mid}++;
        }
 
        # Only use Sender: if From is not present
        foreach my $h (qw(From Sender)) {
-               my @v = $hdr->header($h);
+               my @v = $eml->header($h);
                if (@v) {
                        digest_addr($dig, $h, $_) foreach @v;
                }
        }
        foreach my $h (qw(Subject Date)) {
-               my @v = $hdr->header($h);
+               my @v = $eml->header($h);
                foreach my $v (@v) {
                        utf8::encode($v);
                        $dig->add("$h\0$v\0");
@@ -85,10 +84,10 @@ sub content_digest ($) {
        # not in the original message.  For the purposes of deduplication,
        # do not take it into account:
        foreach my $h (qw(To Cc)) {
-               my @v = $hdr->header($h);
+               my @v = $eml->header($h);
                digest_addr($dig, $h, $_) foreach @v;
        }
-       msg_iter($mime, \&content_dig_i, $dig);
+       msg_iter($eml, \&content_dig_i, $dig);
        $dig;
 }