www_text: fix example config snippet for extindex

extindex doesn't use the same config stuff as normal
"publicinbox" entries, so we'll need a separate function
for them.

2 files changed, 40 insertions, 1 deletions

diff --git a/lib/PublicInbox/WwwText.pm b/lib/PublicInbox/WwwText.pm
index db5060ea..eb5e3ac7 100644
--- a/lib/PublicInbox/WwwText.pm
+++ b/lib/PublicInbox/WwwText.pm
@@ -214,10 +214,37 @@ EOF
         1;
 }
 
+# n.b. this is a perfect candidate for memoization
+sub extindex_config ($$$) {
+        my ($ctx, $hdr, $txt) = @_;
+        my $ibx = $ctx->{ibx};
+        push @$hdr, 'Content-Disposition', 'inline; filename=extindex.config';
+        my $name = dq_escape($ibx->{name});
+        my $base_url = $ibx->base_url($ctx->{env});
+        $$txt .= <<EOS;
+; Example public-inbox config snippet for the external index (extindex) at:
+; $base_url
+; See public-inbox-config(5)manpage for more details:
+; https://public-inbox.org/public-inbox-config.html
+[extindex "$name"]
+        topdir = /path/to/extindex-topdir
+        url = https://example.com/$name/
+        url = http://example.onion/$name/
+EOS
+        for my $k (qw(infourl)) {
+                defined(my $v = $ibx->{$k}) or next;
+                $$txt .= "\t$k = $v\n";
+        }
+        # TODO: coderepo support for extindex
+        1;
+}
+
 sub _default_text ($$$$) {
         my ($ctx, $key, $hdr, $txt) = @_;
         return _colors_help($ctx, $txt) if $key eq 'color';
-        return inbox_config($ctx, $hdr, $txt) if $key eq 'config';
+        $key eq 'config' and return $ctx->{ibx}->can('cloneurl') ?
+                        inbox_config($ctx, $hdr, $txt) :
+                        extindex_config($ctx, $hdr, $txt);
         return if $key ne 'help'; # TODO more keys?
 
         my $ibx = $ctx->{ibx};
diff --git a/t/extindex-psgi.t b/t/extindex-psgi.t
index 6f62b5a0..b9acc979 100644
--- a/t/extindex-psgi.t
+++ b/t/extindex-psgi.t
@@ -40,6 +40,18 @@ my $client = sub {
                 'Host: header respected in Atom feed');
         unlike($res->content, qr!http://bogus\.example\.com/!s,
                 'default URL ignored with different host header');
+
+        $res = $cb->(GET('/all/_/text/config/'));
+        is($res->code, 200, '/text/config HTML');
+        $res = $cb->(GET('/all/_/text/config/raw'));
+        is($res->code, 200, '/text/config raw');
+        my $f = "$tmpdir/extindex.config";
+        open my $fh, '>', $f or xbail $!;
+        print $fh $res->content or xbail $!;
+        close $fh or xbail $!;
+        my $cfg = PublicInbox::Config->git_config_dump($f);
+        is($?, 0, 'no errors from git-config parsing');
+        ok($cfg->{'extindex.all.topdir'}, 'extindex.topdir defined');
 };
 test_psgi(sub { $www->call(@_) }, $client);
 %$env = (%$env, TMPDIR => $tmpdir, PI_CONFIG => $pi_config);