Add build script to force rebuild on template changes

1 files changed, 26 insertions, 0 deletions

diff --git a/testing/build.rs b/testing/build.rs
new file mode 100644
index 0000000..2f868f4
--- /dev/null
+++ b/testing/build.rs
@@ -0,0 +1,26 @@
+use std::env;
+use std::fs::{self, DirEntry};
+use std::io;
+use std::path::Path;
+
+fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> {
+    if dir.is_dir() {
+        for entry in try!(fs::read_dir(dir)) {
+            let entry = try!(entry);
+            let path = entry.path();
+            if path.is_dir() {
+                try!(visit_dirs(&path, cb));
+            } else {
+                cb(&entry);
+            }
+        }
+    }
+    Ok(())
+}
+
+fn main() {
+    let root = env::var("CARGO_MANIFEST_DIR").unwrap();
+    visit_dirs(&Path::new(&root).join("templates"), &|e: &DirEntry| {
+        println!("cargo:rerun-if-changed={}", e.path().to_str().unwrap());
+    }).unwrap();
+}