[PATCH 1/3] mda: use InboxWritable

[Eric Wong <e@80x24.org>]

It's a convenient wrapper nowadays, so get rid of some legacy
code and minimize differences from the -watch code.
---
 lib/PublicInbox/InboxWritable.pm |  1 +
 script/public-inbox-mda          | 37 +++++++++-----------------------
 2 files changed, 11 insertions(+), 27 deletions(-)

diff --git a/lib/PublicInbox/InboxWritable.pm b/lib/PublicInbox/InboxWritable.pm
index 9b0cdfd..aa62132 100644
--- a/lib/PublicInbox/InboxWritable.pm
+++ b/lib/PublicInbox/InboxWritable.pm
@@ -39,6 +39,7 @@ sub importer {
 			my $addr = $self->{-primary_address};
 			PublicInbox::Import->new($git, $name, $addr, $self);
 		} else {
+			$! = 78; # EX_CONFIG 5.3.5 local configuration error
 			die "unsupported inbox version: $v\n";
 		}
 	}
diff --git a/script/public-inbox-mda b/script/public-inbox-mda
index 1f1252a..2a31537 100755
--- a/script/public-inbox-mda
+++ b/script/public-inbox-mda
@@ -18,11 +18,10 @@ use Email::Simple;
 use PublicInbox::MIME;
 use PublicInbox::MDA;
 use PublicInbox::Config;
-use PublicInbox::Import;
-use PublicInbox::Git;
 use PublicInbox::Emergency;
 use PublicInbox::Filter::Base;
 use PublicInbox::Spamcheck::Spamc;
+use PublicInbox::InboxWritable;
 
 # n.b: hopefully we can setup the emergency path without bailing due to
 # user error, we really want to setup the emergency destination ASAP
@@ -39,7 +38,8 @@ my $recipient = $ENV{ORIGINAL_RECIPIENT};
 defined $recipient or die "ORIGINAL_RECIPIENT not defined in ENV\n";
 my $dst = $config->lookup($recipient); # first check
 defined $dst or do_exit(67); # EX_NOUSER 5.1.1 user unknown
-my $main_repo = $dst->{mainrepo} or do_exit(67);
+$dst->{mainrepo} or do_exit(67);
+$dst = PublicInbox::InboxWritable->new($dst);
 
 # pre-check, MDA has stricter rules than an importer might;
 do_exit(0) unless PublicInbox::MDA->precheck($simple, $dst->{address});
@@ -55,18 +55,13 @@ $str = '';
 do_exit(0) unless $spam_ok;
 
 my $fcfg = $dst->{filter} || '';
-my $filter;
-if ($fcfg =~ /::/) {
-	eval "require $fcfg";
-	die $@ if $@;
-	$filter = $fcfg->new;
-} elsif ($fcfg eq 'scrub') { # TODO:
-	require PublicInbox::Filter::Mirror;
-	$filter = PublicInbox::Filter::Mirror->new;
-} else {
-	$filter = PublicInbox::Filter::Base->new;
+# -mda defaults to the strict base filter
+if ($fcfg eq '') {
+	$dst->{filter} = 'PublicInbox::Filter::Base';
+} elsif ($fcfg eq 'scrub') { # legacy alias, undocumented, remove?
+	$dst->{filter} = 'PublicInbox::Filter::Mirror';
 }
-
+my $filter = $dst->filter;
 my $ret = $filter->delivery($mime);
 if (ref($ret) && $ret->isa('Email::MIME')) { # filter altered message
 	$mime = $ret;
@@ -78,19 +73,7 @@ if (ref($ret) && $ret->isa('Email::MIME')) { # filter altered message
 } # else { accept
 
 PublicInbox::MDA->set_list_headers($mime, $dst);
-my $v = $dst->{version} || 1;
-my $im;
-if ($v == 2) {
-	require PublicInbox::V2Writable;
-	$im = PublicInbox::V2Writable->new($dst);
-	$im->{parallel} = 0; # pointless to be parallel for a single message
-} elsif ($v == 1) {
-	my $git = $dst->git;
-	$im = PublicInbox::Import->new($git, $dst->{name}, $recipient, $dst);
-} else {
-	$! = 78; # EX_CONFIG 5.3.5 local configuration error
-	die "Unsupported inbox version: $v\n";
-}
+my $im = $dst->importer(0);
 if (defined $im->add($mime)) {
 	$emm = $emm->abort;
 } else {
-- 
EW