1 files changed, 22 insertions, 0 deletions
diff --git a/lib/PublicInbox/ContentDigestDbg.pm b/lib/PublicInbox/ContentDigestDbg.pm
new file mode 100644
index 00000000..853624f1
--- /dev/null
+++ b/lib/PublicInbox/ContentDigestDbg.pm
@@ -0,0 +1,22 @@
+# Copyright (C) all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+package PublicInbox::ContentDigestDbg; # cf. PublicInbox::ContentDigest
+use v5.12;
+use Data::Dumper;
+use PublicInbox::SHA;
+$Data::Dumper::Useqq = $Data::Dumper::Terse = 1;
+
+sub new { bless [ PublicInbox::SHA->new(256), $_[1] ], __PACKAGE__ }
+
+sub add {
+        $_[0]->[0]->add($_[1]);
+        my @dbg = split(/^/sm, $_[1]);
+        if (@dbg && $dbg[0] =~ /\A(To|Cc)\0/) { # fold excessively long lines
+                @dbg = map { split(/,/s, $_) } @dbg;
+        }
+        print { $_[0]->[1] } Dumper(\@dbg) or die "print $!";
+}
+
+sub hexdigest { $_[0]->[0]->hexdigest }
+
+1;