1 files changed, 32 insertions, 0 deletions
diff --git a/tvix/store/build.rs b/tvix/store/build.rs
new file mode 100644
index 000000000000..e75f021a2bcf
--- /dev/null
+++ b/tvix/store/build.rs
@@ -0,0 +1,32 @@
+use std::io::Result;
+
+fn main() -> Result<()> {
+    #[allow(unused_mut)]
+    let mut builder = tonic_build::configure();
+
+    #[cfg(feature = "reflection")]
+    {
+        let out_dir = std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap());
+        let descriptor_path = out_dir.join("tvix.store.v1.bin");
+
+        builder = builder.file_descriptor_set_path(descriptor_path);
+    };
+
+    builder.build_server(true).build_client(true).compile(
+        &[
+            "tvix/store/protos/castore.proto",
+            "tvix/store/protos/pathinfo.proto",
+            "tvix/store/protos/rpc_blobstore.proto",
+            "tvix/store/protos/rpc_directory.proto",
+            "tvix/store/protos/rpc_pathinfo.proto",
+        ],
+        // If we are in running `cargo build` manually, using `../..` works fine,
+        // but in case we run inside a nix build, we need to instead point PROTO_ROOT
+        // to a sparseTree containing that structure.
+        &[match std::env::var_os("PROTO_ROOT") {
+            Some(proto_root) => proto_root.to_str().unwrap().to_owned(),
+            None => "../..".to_string(),
+        }],
+    )?;
+    Ok(())
+}