URLs should not be pathbufs

Author: Coi-l

src/cmd/shelf.rs

@@ -68,7 +68,7 @@ fn update_index(
     Ok(())
 }
 
-fn process_book(path: &str, books_dir: &PathBuf, shelf_url: &PathBuf) -> Result<BookContext> {
+fn process_book(path: &str, books_dir: &PathBuf, shelf_url: &str) -> Result<BookContext> {
     let book_dir = path.try_resolve()?;
     let book_dir = std::fs::canonicalize(book_dir)?;
     let mut book = MDBook::load(book_dir)?;
@@ -112,9 +112,8 @@ pub fn execute(_args: &ArgMatches) -> Result<()> {
     } else {
         "".to_owned()
     };
-    let shelf_url = PathBuf::from(format!(
-        "{shelf_url_prefix}/{shelf_book_dir}/{shelf_build_dir}/{INDEX_HTML_FILE}"
-    ));
+    let shelf_url =
+        format!("{shelf_url_prefix}/{shelf_book_dir}/{shelf_build_dir}/{INDEX_HTML_FILE}");
 
     let mut index_file_name = shelf_book.source_dir();
     index_file_name.push(INDEX_MD_FILE);

src/config.rs

@@ -416,7 +416,7 @@ pub struct BookConfig {
     pub text_direction: Option<TextDirection>,
     /// Indicates if the book is part of a bookshelf
     /// and how to return to the index of the shelf if so
-    pub shelf_url: Option<PathBuf>,
+    pub shelf_url: Option<String>,
 }
 
 impl Default for BookConfig {