Revert "fix(sandbox-control): a workspace started without a repo gets an empty repository Orca can open"

This reverts commit 0c4ec3ac451e173fe0b0c5840a139b08728fc9fb.

cloud/apps/sandbox-control/image/env/workspace-prelude.sh

@@ -10,7 +10,6 @@
 #   and checked out; if that fails the workspace still opens at the build's commit.
 # - Otherwise clone ORCA_REPO_URL here so a repo with no commits yet also opens: it gets an empty
 #   first commit on the requested branch, which Orca needs to create the workspace's worktree.
-# - No repo at all (the user chose "Start empty"): a fresh repository with that same first commit.
 set -uo pipefail
 P=/vercel/sandbox/project
 ROOT=/vercel/sandbox/repos
@@ -51,8 +50,5 @@ elif [ ! -e "$P" ] && [ -n "${ORCA_REPO_URL:-}" ]; then
     fi
   fi
   first_commit
-elif [ ! -e "$P" ]; then
-  git init --quiet "$P" || exit 1
-  first_commit
 fi
 exit 0

cloud/apps/sandbox-control/src/lifecycle.ts

@@ -457,12 +457,9 @@ export async function createSandbox(
     deps.background?.(refill)
   }
   const claimedAt = deps.now()
-  // Every first boot gets the prelude: with no repo it makes an empty repository, so Orca can still
-  // create the workspace's worktree in it.
-  const prelude: StartInputs['prelude'] = {
-    script: WORKSPACE_PRELUDE_SCRIPT,
-    env: source?.repoDir ? { ORCA_ENV_REPO_DIR: source.repoDir } : {}
-  }
+  const prelude: StartInputs['prelude'] = request.repo
+    ? { script: WORKSPACE_PRELUDE_SCRIPT, env: source?.repoDir ? { ORCA_ENV_REPO_DIR: source.repoDir } : {} }
+    : undefined
   const id = pooled?.id ?? randomId()
   // Write-ahead row and the VM-independent prep (secrets, repo token) run together.
   const [row, prep] = await timer.time('prepare', async () => {

cloud/apps/sandbox-control/test/empty-workspace.test.ts

@@ -1,15 +0,0 @@
-import { describe, expect, it } from 'vitest'
-import { createHarness } from './harness'
-
-describe('a workspace started without a repo ("Start empty")', () => {
-  it('still runs the prelude, which makes an empty repository Orca can open', async () => {
-    const h = await createHarness()
-    const created = await h.call('POST', '/v1/sandboxes', {
-      body: { workspaceId: 'empty', machineSize: 'standard' }
-    })
-    expect(created.status).toBe(200)
-    const start = h.vercel.commands.filter((c) => c.command === '/opt/orca/bin/orca-sandbox-start').at(-1)!
-    expect(start.env.ORCA_REPO_URL).toBeUndefined()
-    expect(start.env.ORCA_PRELUDE).toContain('git init --quiet "$P"')
-  })
-})