From cfe8eab054c0c74c341421f5a5a3db3377d17b61 Mon Sep 17 00:00:00 2001
From: Chris Wanstrath <chris@ozmm.org>
Date: Sat, 21 Feb 2026 08:53:06 -0800
Subject: [PATCH] add `vm uncache` command to clear the package cache

---
 src/commands/vm.ts | 8 ++++++++
 src/vm.ts          | 7 +++++++
 2 files changed, 15 insertions(+)

diff --git a/src/commands/vm.ts b/src/commands/vm.ts
index 789d2a8..3277280 100644
--- a/src/commands/vm.ts
+++ b/src/commands/vm.ts
@@ -71,4 +71,12 @@ export function register(program: Command) {
       await vm.destroy()
       console.log("✔ VM destroyed")
     })
+
+  vmCmd
+    .command("uncache")
+    .description("Clear the package cache (next create will re-download)")
+    .action(async () => {
+      const had = await vm.clearCache()
+      console.log(had ? "✔ Package cache cleared" : "No cache to clear")
+    })
 }
diff --git a/src/vm.ts b/src/vm.ts
index 46c85d8..adee6f1 100644
--- a/src/vm.ts
+++ b/src/vm.ts
@@ -337,3 +337,10 @@ export async function destroy(): Promise<void> {
   await stop()
   await $`container delete ${CONTAINER_NAME}`.nothrow().quiet()
 }
+
+/** Clear the package cache so the next create re-downloads everything. */
+export async function clearCache(): Promise<boolean> {
+  const exists = await Bun.file(join(CACHE_DIR, 'bun')).exists()
+  await $`rm -rf ${CACHE_DIR}`.nothrow().quiet()
+  return exists
+}