Implement a macro for pushing the directory.

src/context/blog_post_page.rs

@@ -1,6 +1,7 @@
 use serde::Serialize;
 
 use super::render_context::RenderContext;
+use crate::context::macros::push_file;
 use crate::error::CustomError;
 use crate::intermediate::get_web_path;
 use crate::intermediate::BlogPost;
@@ -49,12 +50,7 @@ render!(
     original,
     render_context,
     {
-        render_context
-            .dependency_manager
-            .lock()
-            .unwrap()
-            .push_file(&original.page.src)?;
-        let ret = (|| {
+        push_file!(render_context, &original.page.src, {
             let css_files = vec![
                 get_web_path(
                     render_context.config,
@@ -127,12 +123,6 @@ render!(
                 footnotes,
             };
             Ok(ret)
-        })();
-        render_context
-            .dependency_manager
-            .lock()
-            .unwrap()
-            .pop_file()?;
-        ret
+        })
     }
 );

src/context/macros.rs

@@ -35,3 +35,23 @@ macro_rules! rnoop {
 }
 
 pub(crate) use rnoop;
+
+/// Push a file onto the render DependencyManager's file stack while inside the code block.
+macro_rules! push_file {
+    ($render_context:ident, $path:expr, $body:tt) => {{
+        $render_context
+            .dependency_manager
+            .lock()
+            .unwrap()
+            .push_file($path)?;
+        let ret = (|| $body)();
+        $render_context
+            .dependency_manager
+            .lock()
+            .unwrap()
+            .pop_file()?;
+        ret
+    }};
+}
+
+pub(crate) use push_file;