lei sucks: sub-command to aid bug reporting

It's a bit of an Easter egg, though it's not possible to hide those
in Free Software...  Anyways, it doesn't cost us an entry in %CMD
of LEI.pm and anybody frustrated enough with lei just might type
"lei sucks" on the command-line :>

1 files changed, 71 insertions, 0 deletions

diff --git a/lib/PublicInbox/LeiSucks.pm b/lib/PublicInbox/LeiSucks.pm
new file mode 100644
index 00000000..d364a856
--- /dev/null
+++ b/lib/PublicInbox/LeiSucks.pm
@@ -0,0 +1,71 @@
+# Copyright (C) 2021 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# Undocumented hidden command somebody might discover if they're
+# frustrated and need to report a bug.  There's no manpage and
+# it won't show up in tab completions or help.
+package PublicInbox::LeiSucks;
+use strict;
+use v5.10.1;
+use Digest::SHA ();
+use Config;
+use POSIX ();
+use PublicInbox::Config;
+use PublicInbox::Search;
+
+sub lei_sucks {
+        my ($lei, @argv) = @_;
+        $lei->start_pager if -t $lei->{1};
+        my ($os, undef, $rel, undef, $mac)= POSIX::uname();
+        if ($mac eq 'x86_64' && $Config{ptrsize} == 4) {
+                $mac = $Config{cppsymbols} =~ /\b__ILP32__=1\b/ ? 'x32' : 'i386'
+        }
+        eval { require PublicInbox };
+        my $pi_ver = eval('$PublicInbox::VERSION') // '(???)';
+        my $daemon = $lei->{oneshot} ? 'oneshot' : 'daemon';
+        my @out = ("lei $pi_ver mode=$daemon\n",
+                "perl $Config{version} / $os $rel / $mac ".
+                "ptrsize=$Config{ptrsize}\n");
+        chomp(my $gv = `git --version` || "git missing");
+        $gv =~ s/ version / /;
+        my $json = ref(PublicInbox::Config->json);
+        $json .= ' ' . eval('$'.$json.'::VERSION') if $json;
+        $json ||= '(no JSON)';
+        push @out, "$gv / $json\n";
+        if (eval { require PublicInbox::Over }) {
+                push @out, 'SQLite '.
+                        (eval('$DBD::SQLite::sqlite_version') // '(undef)') .
+                        ', DBI '.(eval('$DBI::VERSION') // '(undef)') .
+                        ', DBD::SQLite '.
+                        (eval('$DBD::SQLite::VERSION') // '(undef)')."\n";
+        } else {
+                push @out, "Unable to load DBI / DBD::SQLite: $@\n";
+        }
+        if (PublicInbox::Search::load_xapian()) {
+                push @out, 'Xapian '.
+                        join('.', map {
+                                $PublicInbox::Search::Xap->can($_)->();
+                        } qw(major_version minor_version revision)) .
+                        ", bindings: $PublicInbox::Search::Xap";
+                my $xs_ver = eval '$'."$PublicInbox::Search::Xap".'::VERSION';
+                push @out, $xs_ver ? " $xs_ver\n" : " SWIG\n";
+        } else {
+                push @out, "Xapian not available: $@\n";
+        }
+        my $dig = Digest::SHA->new(1);
+        push @out, "public-inbox blob OIDs of loaded features:\n";
+        for my $m (grep(m{^PublicInbox/}, sort keys %INC)) {
+                my $f = $INC{$m};
+                $dig->add('blob '.(-s $f)."\0");
+                $dig->addfile($f);
+                push @out, '  '.$dig->hexdigest.' '.$m."\n";
+        }
+        push @out, <<'EOM';
+Let us know how it sucks!  Please include the above and any other
+relevant information when sending plain-text mail to us at:
+meta@public-inbox.org -- archives: https://public-inbox.org/meta/
+EOM
+        $lei->out(@out);
+}
+
+1;