feat(status): add error context

src/xatu/xatu_main.rs

@@ -1,4 +1,5 @@
 use clap::Parser;
+use status::ResultExt;
 use std::path::{Path, PathBuf};
 use xatu::SourceFile;
 
@@ -26,7 +27,8 @@ fn is_excluded_dir(path: &Path) -> bool {
 }
 
 fn collect_source_files(path: &Path) -> status::Result<Vec<SourceFile>> {
-    let metadata = std::fs::symlink_metadata(path)?;
+    let metadata = std::fs::symlink_metadata(path)
+        .with_context(|| format!("failed to read metadata for {}", path.display()))?;
 
     if metadata.file_type().is_dir() {
         if is_excluded_dir(path) {
@@ -35,8 +37,11 @@ fn collect_source_files(path: &Path) -> status::Result<Vec<SourceFile>> {
 
         let mut files = Vec::new();
 
-        for entry in std::fs::read_dir(path)? {
-            let entry = entry?;
+        for entry in std::fs::read_dir(path)
+            .with_context(|| format!("failed to read directory {}", path.display()))?
+        {
+            let entry =
+                entry.with_context(|| format!("failed to read entry in {}", path.display()))?;
             files.extend(collect_source_files(&entry.path())?);
         }
 
@@ -46,7 +51,8 @@ fn collect_source_files(path: &Path) -> status::Result<Vec<SourceFile>> {
     if metadata.file_type().is_file() && is_nix_file(path) {
         return Ok(vec![SourceFile {
             path: path.to_path_buf(),
-            source: std::fs::read_to_string(path)?,
+            source: std::fs::read_to_string(path)
+                .with_context(|| format!("failed to read source file {}", path.display()))?,
         }]);
     }