lei q: fix warning on remote imports

This will let us tie keywords from remote externals
to those which only exist in local externals.

1 files changed, 12 insertions, 3 deletions

diff --git a/lib/PublicInbox/ContentHash.pm b/lib/PublicInbox/ContentHash.pm
index 4dbe7b50..112b1ea6 100644
--- a/lib/PublicInbox/ContentHash.pm
+++ b/lib/PublicInbox/ContentHash.pm
@@ -8,9 +8,9 @@
 # See L<public-inbox-v2-format(5)> manpage for more details.
 package PublicInbox::ContentHash;
 use strict;
-use warnings;
-use base qw/Exporter/;
-our @EXPORT_OK = qw/content_hash content_digest/;
+use v5.10.1;
+use parent qw(Exporter);
+our @EXPORT_OK = qw(content_hash content_digest git_sha);
 use PublicInbox::MID qw(mids references);
 use PublicInbox::MsgIter;
 
@@ -94,4 +94,13 @@ sub content_hash ($) {
         content_digest($_[0])->digest;
 }
 
+sub git_sha ($$) {
+        my ($n, $eml) = @_;
+        my $dig = Digest::SHA->new($n);
+        my $buf = $eml->as_string;
+        $dig->add('blob '.length($buf)."\0");
+        $dig->add($buf);
+        $dig;
+}
+
 1;