From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 14 May 2022 13:52:42 +0000 (+0100)
Subject: nwtemplates: Log a warning if there are no templates
X-Git-Tag: otter-1.1.0~190
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=3cdba32d1b105d120e6f5f8ba2e69b25d0740d8c;p=otter.git

nwtemplates: Log a warning if there are no templates

This is probably an installation or usage error.  Reporting that helps
if subsequently a template isn't found.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/src/nwtemplates.rs b/src/nwtemplates.rs
index b49062e4..a492bddf 100644
--- a/src/nwtemplates.rs
+++ b/src/nwtemplates.rs
@@ -25,6 +25,11 @@ pub fn init() {
     .context("load tamplates")
     .with_context(|| nwtemplate_dir.to_string())?;
 
+  if tera.get_template_names().next().is_none() {
+    warn!("nwtemplates directory {:?} contains no templates!",
+          nwtemplate_dir);
+  }
+
   *guard = Some(State {
     tera,
   })