add message for generating Cargo.lock

easybuilders · Oct 16, 2024 · ee22b65 · ee22b65
1 parent 5718bdf
commit ee22b65
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/easybuild/easyblocks/generic/cargo.py b/easybuild/easyblocks/generic/cargo.py
@@ -293,7 +293,12 @@ def generate_crate_list(sourcedir):
     import toml
 
     cargo_toml = toml.load(os.path.join(sourcedir, 'Cargo.toml'))
-    cargo_lock = toml.load(os.path.join(sourcedir, 'Cargo.lock'))
+
+    try:
+        cargo_lock = toml.load(os.path.join(sourcedir, 'Cargo.lock'))
+    except FileNotFoundError as err:
+        print("\nNo Cargo.lock file found. Generate one with 'cargo generate-lockfile'\n")
+        raise err
 
     try:
         app_name = cargo_toml['package']['name']