1 files changed, 9 insertions, 4 deletions
diff --git a/example/build.rs b/example/build.rs
index fb23001..c13f035 100644
--- a/example/build.rs
+++ b/example/build.rs
@@ -1,10 +1,15 @@
 extern crate includedir_codegen;
 
+use std::env;
+
 use includedir_codegen::Compression;
 
 fn main() {
-    includedir_codegen::start("FILES")
-        .dir("data", Compression::Gzip)
-        .build("data.rs")
-        .unwrap();
+    let mut cg = includedir_codegen::start("FILES");
+    if env::var("PASSTHROUGH").is_ok() {
+        cg.passthrough();
+    }
+    cg.dir("data", Compression::Gzip)
+      .build("data.rs")
+      .unwrap();
 }