Improve the error handling

[rbdr/blog] / src / archiver / gemini.rs

diff --git a/src/archiver/gemini.rs b/src/archiver/gemini.rs
index 8d5630547764af2dc948e6f350d08092b11413dd..3b04bcf4ad92d98ea4d3f90511c9ee09c7ea60e2 100644 (file)
--- a/src/archiver/gemini.rs
+++ b/src/archiver/gemini.rs
@@ -1,5 +1,5 @@
 use std::fs::write;
-use std::io::Result;
+use std::io::{Error, ErrorKind::Other, Result};
 use std::path::PathBuf;
 use crate::template::{find, parse, TemplateContext};
 
@@ -8,8 +8,9 @@ const FILENAME: &str = "index.gmi";
 pub fn archive(_: &PathBuf, template_directory: &PathBuf, target: &PathBuf, context: &TemplateContext) -> Result<()> {
     match find(template_directory, FILENAME) {
         Some(template) => {
-            let parsed_template = parse(&template);
-            let rendered_template = parsed_template.render(context);
+            let parsed_template = parse(&template)
+                .ok_or_else(|| Error::new(Other, "Unable to parse Gemini Archive template"))?;
+            let rendered_template = parsed_template.render(context)?;
             let location = target.join(FILENAME);
             write(location, rendered_template)?;
         },