move copy_dir_recursive into main.rs

build_src/assets.rs

@@ -1,21 +1,5 @@
-use std::{fs, path::Path};
-
 use crate::*;
 
-fn copy_dir_recursive(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> std::io::Result<()> {
-    fs::create_dir_all(&dst)?;
-    for entry in fs::read_dir(src)? {
-        let entry = entry?;
-        let ty = entry.file_type()?;
-        if ty.is_dir() {
-            copy_dir_recursive(entry.path(), dst.as_ref().join(entry.file_name()))?;
-        } else {
-            fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
-        }
-    }
-    Ok(())
-}
-
 pub fn copy_assets(ctx: &BuildContext) -> Result<()> {
     log_info("Copying assets…");
     copy_dir_recursive(ctx.source_dir.join("assets"), ctx.output_dir.join("assets"))?;

build_src/main.rs

@@ -1,5 +1,5 @@
 use siru::prelude::*;
-use std::{convert::TryInto, path::PathBuf, sync::Arc, time::Duration};
+use std::{convert::TryInto, fs, path::Path, path::PathBuf, sync::Arc, time::Duration};
 
 type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
 
@@ -27,6 +27,20 @@ impl SiruFS for BuildContext {
     }
 }
 
+pub fn copy_dir_recursive(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> std::io::Result<()> {
+    fs::create_dir_all(&dst)?;
+    for entry in fs::read_dir(src)? {
+        let entry = entry?;
+        let ty = entry.file_type()?;
+        if ty.is_dir() {
+            copy_dir_recursive(entry.path(), dst.as_ref().join(entry.file_name()))?;
+        } else {
+            fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
+        }
+    }
+    Ok(())
+}
+
 fn build() {
     let ctx = BuildContext {
         source_dir: "src".try_into().unwrap(),

build_src/webring.rs

@@ -1,21 +1,5 @@
-use std::{fs, path::Path};
-
 use crate::*;
 
-fn copy_dir_recursive(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> std::io::Result<()> {
-    fs::create_dir_all(&dst)?;
-    for entry in fs::read_dir(src)? {
-        let entry = entry?;
-        let ty = entry.file_type()?;
-        if ty.is_dir() {
-            copy_dir_recursive(entry.path(), dst.as_ref().join(entry.file_name()))?;
-        } else {
-            fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
-        }
-    }
-    Ok(())
-}
-
 pub fn copy_webring(ctx: &BuildContext) -> Result<()> {
     log_info("Copying webring…");
     copy_dir_recursive(