bin: better error handling

CHANGELOG.md

@@ -1,11 +1,7 @@
-# Changelog
+## Changelog
 
 ## Unreleased
 
-### Fixed
-
-- Custom installation and CSS directories are now normalized ([#49](https://github.com/tommilligan/mdbook-admonish/pull/49))
-
 ## 1.8.0
 
 ### Changed

integration/book.toml

@@ -14,4 +14,4 @@ assets_version = "2.0.0" # do not edit: managed by `mdbook-admonish install`
 [output]
 
 [output.html]
-additional-css = ["./mdbook-admonish.css"]
+additional-css = ["././mdbook-admonish.css"]

integration/expected/book.toml

@@ -14,4 +14,4 @@ assets_version = "2.0.0" # do not edit: managed by `mdbook-admonish install`
 [output]
 
 [output.html]
-additional-css = ["./mdbook-admonish.css"]
+additional-css = ["././mdbook-admonish.css"]

src/bin/mdbook-admonish.rs

@@ -145,9 +145,6 @@ mod install {
         let mut additional_css = additional_css(&mut doc);
         for (name, content) in ADMONISH_CSS_FILES {
             let filepath = proj_dir.join(&css_dir).join(name);
-            // Normalize path to remove no-op components
-            // https://github.com/tommilligan/mdbook-admonish/issues/47
-            let filepath: PathBuf = filepath.components().collect();
             let filepath_str = filepath.to_str().context("non-utf8 filepath")?;
 
             if let Ok(ref mut additional_css) = additional_css {