From 1a86b76828b46cada025cc74952b3aa7e28856d0 Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@gmail.com>
Date: Mon, 19 Jun 2023 21:26:49 -0500
Subject: [PATCH] fix(cli): Ensure we don't accidentally let embedded manifests
 on stable

There should be a later check when parsing but just in case, let's have
a check here as well.
---
 src/cargo/util/command_prelude.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/cargo/util/command_prelude.rs b/src/cargo/util/command_prelude.rs
index 3a64e60feed..666a67b0084 100644
--- a/src/cargo/util/command_prelude.rs
+++ b/src/cargo/util/command_prelude.rs
@@ -790,6 +790,13 @@ pub fn root_manifest(manifest_path: Option<&Path>, config: &Config) -> CargoResu
         if !path.exists() {
             anyhow::bail!("manifest path `{}` does not exist", manifest_path.display())
         }
+        if crate::util::toml::is_embedded(&path) && !config.cli_unstable().script {
+            return Err(anyhow::anyhow!(
+                "embedded manifest `{}` requires `-Zscript`",
+                path.display()
+            )
+            .into());
+        }
         Ok(path)
     } else {
         find_root_manifest_for_wd(config.cwd())