From c7ec7eb31e5c770636275b850bcdc8b9ae0f59dd Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Tue, 27 Apr 2021 11:07:49 +0000
Subject: lei: add "ls-sync" command for listing sync folders

This will be useful, later.
---
 lib/PublicInbox/LEI.pm         |  2 ++
 lib/PublicInbox/LeiExternal.pm |  2 +-
 lib/PublicInbox/LeiLsSync.pm   | 29 +++++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 lib/PublicInbox/LeiLsSync.pm

(limited to 'lib')

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 39278de6..c170572b 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -161,6 +161,8 @@ our %CMD = ( # sorted in order of importance/use:
 'ls-external' => [ '[FILTER]', 'list publicinbox|extindex locations',
 	qw(format|f=s z|0 globoff|g invert-match|v local remote), @c_opt ],
 'ls-label' => [ '', 'list labels', qw(z|0 stats:s), @c_opt ],
+'ls-sync' => [ '', 'list sync folders',
+		qw(z|0 z|0 globoff|g invert-match|v local remote), @c_opt ],
 'forget-external' => [ 'LOCATION...|--prune',
 	'exclude further results from a publicinbox|extindex',
 	qw(prune), @c_opt ],
diff --git a/lib/PublicInbox/LeiExternal.pm b/lib/PublicInbox/LeiExternal.pm
index b0ebe947..3858085e 100644
--- a/lib/PublicInbox/LeiExternal.pm
+++ b/lib/PublicInbox/LeiExternal.pm
@@ -50,7 +50,7 @@ my %re_map = ( '*' => '[^/]*?', '?' => '[^/]',
 		'[' => '[', ']' => ']', ',' => ',' );
 
 sub glob2re {
-	my ($re) = @_;
+	my $re = $_[-1];
 	my $p = '';
 	my $in_bracket = 0;
 	my $qm = 0;
diff --git a/lib/PublicInbox/LeiLsSync.pm b/lib/PublicInbox/LeiLsSync.pm
new file mode 100644
index 00000000..71f111a9
--- /dev/null
+++ b/lib/PublicInbox/LeiLsSync.pm
@@ -0,0 +1,29 @@
+# Copyright (C) 2021 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# front-end for the "lei ls-sync" sub-command
+package PublicInbox::LeiLsSync;
+use strict;
+use v5.10.1;
+use PublicInbox::LeiMailSync;
+
+sub lei_ls_sync {
+	my ($lei, $filter) = @_;
+	my $sto = $lei->_lei_store or return;
+	my $lms = $sto->search->lms or return;
+	my $opt = $lei->{opt};
+	my $re;
+	$re = defined($filter) ? qr/\Q$filter\E/ : qr/./ if $opt->{globoff};
+	$re //= $lei->glob2re($filter // '*');
+	my @f = $lms->folders;
+	@f = $opt->{'invert-match'} ? grep(!/$re/, @f) : grep(/$re/, @f);
+	if ($opt->{'local'} && !$opt->{remote}) {
+		@f = grep(!m!\A[a-z\+]+://!i, @f);
+	} elsif ($opt->{remote} && !$opt->{'local'}) {
+		@f = grep(m!\A[a-z\+]+://!i, @f);
+	}
+	my $ORS = $opt->{z} ? "\0" : "\n";
+	$lei->out(join($ORS, @f, ''));
+}
+
+1;
-- 
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