fix: look up markdown file relative to basedir of subplot

This allows running docgen on a subplot that isn't in the current directory.

Sponsored-by: author

1 files changed, 2 insertions, 1 deletions

diff --git a/src/bin/subplot.rs b/src/bin/subplot.rs
index a85ad62..8ede58d 100644
--- a/src/bin/subplot.rs
+++ b/src/bin/subplot.rs
@@ -278,7 +278,8 @@ impl Docgen {
         } else if let Some(date) = doc.meta().date() {
             date.to_string()
         } else {
-            Self::mtime_formatted(Self::mtime(doc.meta().markdown_filename())?)
+            let filename = doc.meta().basedir().join(doc.meta().markdown_filename());
+            Self::mtime_formatted(Self::mtime(&filename)?)
         };
         pandoc.add_option(pandoc::PandocOption::Meta("date".to_string(), Some(date)));
         pandoc.add_option(pandoc::PandocOption::TableOfContents);