From a6781fd4a99ee69096a7cd757fb20829ff4afa0f Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Tue, 9 Aug 2022 12:39:48 +0200
Subject: [PATCH] Canoncicalize node path before launching it

---
 binaries/coordinator/src/lib.rs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/binaries/coordinator/src/lib.rs b/binaries/coordinator/src/lib.rs
index 15adabe9..210a9eb7 100644
--- a/binaries/coordinator/src/lib.rs
+++ b/binaries/coordinator/src/lib.rs
@@ -134,9 +134,14 @@ fn spawn_custom_node(
     communication: &dora_node_api::config::CommunicationConfig,
 ) -> eyre::Result<tokio::task::JoinHandle<eyre::Result<(), eyre::Error>>> {
     let mut args = node.run.split_ascii_whitespace();
-    let cmd = args
-        .next()
-        .ok_or_else(|| eyre!("`run` field must not be empty"))?;
+    let cmd = {
+        let raw = Path::new(
+            args.next()
+                .ok_or_else(|| eyre!("`run` field must not be empty"))?,
+        );
+        raw.canonicalize()
+            .wrap_err_with(|| format!("no node exists at `{}`", raw.display()))?
+    };
 
     let mut command = tokio::process::Command::new(cmd);
     command.args(args);