lei ls-search: command to list saved searches

Going forward, we'll probably support JSON for all the "ls-*"
subcommands.  This also provides the basis for "lei up" shell
completion.

1 files changed, 33 insertions, 4 deletions

diff --git a/lib/PublicInbox/LeiSavedSearch.pm b/lib/PublicInbox/LeiSavedSearch.pm
index 3076d14c..d67622c9 100644
--- a/lib/PublicInbox/LeiSavedSearch.pm
+++ b/lib/PublicInbox/LeiSavedSearch.pm
@@ -21,6 +21,11 @@ sub cquote_val ($) { # cf. git-config(1)
         $val;
 }
 
+sub ARRAY_FIELDS () { qw(only include exclude) }
+sub BOOL_FIELDS () {
+        qw(external local remote import-remote import-before threads)
+}
+
 sub lss_dir_for ($$) {
         my ($lei, $dstref) = @_;
         my @n;
@@ -39,6 +44,31 @@ sub lss_dir_for ($$) {
         $lei->share_path . '/saved-searches/' . join('-', @n);
 }
 
+sub list {
+        my ($lei, $pfx) = @_;
+        my $lss_dir = $lei->share_path.'/saved-searches/';
+        return () unless -d $lss_dir;
+        # TODO: persist the cache?  Use another format?
+        my $f = $lei->cache_dir."/saved-tmp.$$.".time.'.config';
+        open my $fh, '>', $f or die "open $f: $!";
+        print $fh "[include]\n";
+        for my $p (glob("$lss_dir/*/lei.saved-search")) {
+                print $fh "\tpath = ", cquote_val($p), "\n";
+        }
+        close $fh or die "close $f: $!";
+        my $cfg = PublicInbox::Config::git_config_dump($f);
+        unlink($f);
+        bless $cfg, 'PublicInbox::Config';
+        my $out = $cfg->get_all('lei.q.output') or return ();
+        map {;
+                if (s!\A(?:maildir|mh|mbox.+|mmdf):!!i) {
+                        -e $_ ? $_ : (); # TODO auto-prune somewhere?
+                } else { # IMAP, maybe JMAP
+                        $_;
+                }
+        } @$out
+}
+
 sub new {
         my ($cls, $lei, $dst) = @_;
         my $self = bless { ale => $lei->ale }, $cls;
@@ -74,16 +104,15 @@ $q
 [lei "q"]
         output = $dst
 EOM
-                for my $k (qw(only include exclude)) {
+                for my $k (ARRAY_FIELDS) {
                         my $ary = $lei->{opt}->{$k} // next;
                         for my $x (@$ary) {
                                 print $fh "\t$k = ".cquote_val($x)."\n";
                         }
                 }
-                for my $k (qw(external local remote import-remote
-                                import-before threads)) {
+                for my $k (BOOL_FIELDS) {
                         my $val = $lei->{opt}->{$k} // next;
-                        print $fh "\t$k = ".cquote_val($val)."\n";
+                        print $fh "\t$k = ".($val ? 1 : 0)."\n";
                 }
                 close($fh) or return $lei->fail("close $f: $!");
         }