Fix built-in template rename order

build.rs

@@ -0,0 +1,70 @@
+use std::{
+    env, fs, io,
+    path::{Path, PathBuf},
+};
+
+fn main() {
+    println!("cargo:rerun-if-changed=examples");
+
+    let examples_root = PathBuf::from("examples");
+    let out_dir = PathBuf::from(env::var("OUT_DIR").expect("OUT_DIR is not set"));
+    let out_file = out_dir.join("embedded_examples.rs");
+
+    let mut dirs = Vec::new();
+    let mut files = Vec::new();
+
+    if examples_root.is_dir() {
+        collect_examples(&examples_root, &examples_root, &mut dirs, &mut files)
+            .expect("failed to collect example templates");
+    }
+
+    dirs.sort();
+    files.sort_by(|a, b| a.0.cmp(&b.0));
+
+    let mut generated = String::new();
+    generated.push_str(
+        "struct EmbeddedFile {\n    path: &'static str,\n    contents: &'static [u8],\n}\n\n",
+    );
+    generated.push_str("static EMBEDDED_EXAMPLE_DIRS: &[&str] = &[\n");
+    for dir in &dirs {
+        generated.push_str(&format!("    {:?},\n", dir));
+    }
+    generated.push_str("];\n\n");
+    generated.push_str("static EMBEDDED_EXAMPLE_FILES: &[EmbeddedFile] = &[\n");
+    for (relative_path, absolute_path) in &files {
+        generated.push_str(&format!(
+            "    EmbeddedFile {{ path: {:?}, contents: include_bytes!(r#\"{}\"#) }},\n",
+            relative_path,
+            absolute_path.display()
+        ));
+    }
+    generated.push_str("];\n");
+
+    fs::write(out_file, generated).expect("failed to write embedded example list");
+}
+
+fn collect_examples(
+    root: &Path,
+    dir: &Path,
+    dirs: &mut Vec<String>,
+    files: &mut Vec<(String, PathBuf)>,
+) -> io::Result<()> {
+    for entry in fs::read_dir(dir)? {
+        let entry = entry?;
+        let path = entry.path();
+        let relative_path = path
+            .strip_prefix(root)
+            .expect("example path is outside examples root")
+            .to_string_lossy()
+            .replace('\\', "/");
+
+        if path.is_dir() {
+            dirs.push(relative_path);
+            collect_examples(root, &path, dirs, files)?;
+        } else if path.is_file() {
+            files.push((relative_path, path.canonicalize()?));
+        }
+    }
+
+    Ok(())
+}