generate: catch expression error in rule expansion

kaspar030 · Dec 15, 2023 · 97f290b · 97f290b
1 parent 192c9d8
commit 97f290b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/generate.rs b/src/generate.rs
@@ -717,7 +717,9 @@ fn configure_build(
 
                     let expanded =
                         nested_env::expand_eval(&rule.cmd, &flattened_env, IfMissing::Empty)
-                            .unwrap();
+                            .with_context(|| format!("while expanding cmd \"{}\"", rule.cmd))
+                            .with_context(|| format!("rule \"{}\"", rule.name))
+                            .with_context(|| format!("module \"{}\"", module.name))?;
 
                     let rule = rule.to_ninja().command(expanded).build().unwrap().named();
                     ninja_entries.insert(format!("{rule}"));