fix(lock): require --unstable flag to auto discover lockfile (#16524)

2 files changed, 3 insertions, 2 deletions

diff --git a/cli/lockfile.rs b/cli/lockfile.rs
index b0cf68917..43c01b428 100644
--- a/cli/lockfile.rs
+++ b/cli/lockfile.rs
@@ -100,7 +100,7 @@ impl Lockfile {
   ) -> Result<Option<Lockfile>, AnyError> {
     let filename = match flags.lock {
       Some(ref lock) => PathBuf::from(lock),
-      None => match maybe_config_file {
+      None if flags.unstable => match maybe_config_file {
         Some(config_file) => {
           if config_file.specifier.scheme() == "file" {
             let mut path = config_file.specifier.to_file_path().unwrap();
@@ -112,6 +112,7 @@ impl Lockfile {
         }
         None => return Ok(None),
       },
+      None => return Ok(None),
     };
 
     let lockfile = Self::new(filename, flags.lock_write)?;
diff --git a/cli/tests/integration/run_tests.rs b/cli/tests/integration/run_tests.rs
index 68d15bfd9..1f4f7d2ae 100644
--- a/cli/tests/integration/run_tests.rs
+++ b/cli/tests/integration/run_tests.rs
@@ -3630,7 +3630,7 @@ fn websocket_server_idletimeout() {
 }
 
 itest!(auto_discover_lockfile {
-  args: "run run/auto_discover_lockfile/main.ts",
+  args: "run --unstable run/auto_discover_lockfile/main.ts",
   output: "run/auto_discover_lockfile/main.out",
   http_server: true,
   exit_code: 10,