avoid race condition in Lmod spider json file (#1081)

Avoid race condition in Lmod spider json file by using a tempfile and mv commands.
OSC · Feb 20, 2025 · acf1a04 · acf1a04
1 parent 1e5fa82
commit acf1a04
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/reference/files/ondemand-d-ymls.rst b/source/reference/files/ondemand-d-ymls.rst
@@ -625,7 +625,7 @@ Configuration Properties
   as indicated by the command below. Open OnDemand will read these files and
   potentially show them in a from for a cluster called **my_cluster**.
 
-  ``$LMOD_DIR/spider -o spider-json $MODULEPATH > /some/directory/my_cluster.json``
+  ``tmp="$(mktemp)"; "$LMOD_DIR/spider" -o spider-json "$MODULEPATH" > "$tmp"; mv "$tmp" /some/directory/my_cluster.json``
 
   Default
     Null. No directory given.