Script can now be run from any directory

programs/bpf/rust/noop/build.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+cd "$(dirname "$0")"
+
 cargo install xargo
 
 set -e
@@ -22,4 +24,4 @@ export XARGO_RUST_SRC="../../../../sdk/bpf/rust-bpf-sysroot/src"
 # export XARGO_RUST_SRC="../../../../../rust-bpf-sysroot/src"
 xargo build --target bpfel-unknown-unknown --release -v
 
-{ { set +x; } 2>/dev/null; echo Success; }
+{ { set +x; } 2>/dev/null; echo Success; }