feat! allow multiple markdown files for a subplot

Sponsored-by: author

1 files changed, 12 insertions, 2 deletions

diff --git a/src/bin/subplot.rs b/src/bin/subplot.rs
index 41d8894..8da6c2b 100644
--- a/src/bin/subplot.rs
+++ b/src/bin/subplot.rs
@@ -264,8 +264,18 @@ impl Docgen {
         } else if let Some(date) = doc.meta().date() {
             date.to_string()
         } else {
-            let filename = doc.meta().basedir().join(doc.meta().markdown_filename());
-            Self::mtime_formatted(Self::mtime(&filename)?)
+            let mut newest = None;
+            for filename in doc.meta().markdown_filenames() {
+                let mtime = Self::mtime(filename)?;
+                if let Some(so_far) = newest {
+                    if mtime > so_far {
+                        newest = Some(mtime);
+                    }
+                } else {
+                    newest = Some(mtime);
+                }
+            }
+            Self::mtime_formatted(newest.unwrap())
         };
 
         if Self::need_output(&mut doc, self.template.as_deref(), &self.output) {