Use `which` to find `dora-runtime` within `PATH`

Cargo.lock

@@ -912,6 +912,7 @@ dependencies = [
  "tracing",
  "tracing-subscriber",
  "uuid 0.8.2",
+ "which",
  "zenoh",
 ]
 
@@ -4422,13 +4423,13 @@ dependencies = [
 
 [[package]]
 name = "which"
-version = "4.2.5"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
+checksum = "1c831fbbee9e129a8cf93e7747a82da9d95ba8e16621cae60ec2cdc849bacb7b"
 dependencies = [
  "either",
- "lazy_static",
  "libc",
+ "once_cell",
 ]
 
 [[package]]

binaries/coordinator/Cargo.toml

@@ -28,3 +28,4 @@ futures-concurrency = "5.0.1"
 zenoh = { git = "https://github.com/eclipse-zenoh/zenoh.git", rev = "79a136e4fd90b11ff5d775ced981af53c4f1071b" }
 serde_json = "1.0.86"
 dora-download = { path = "../../libraries/extensions/download" }
+which = "4.3.0"

binaries/coordinator/src/run/mod.rs

@@ -45,7 +45,7 @@ pub async fn spawn_dataflow(runtime: &Path, dataflow_path: &Path) -> eyre::Resul
         .iter()
         .any(|n| matches!(n.kind, CoreNodeKind::Runtime(_)))
     {
-        match runtime.canonicalize() {
+        match which::which(runtime.as_os_str()) {
             Ok(path) => {
                 runtime = path;
             }