fix(app): worktree delete

packages/opencode/test/project/worktree-remove.test.ts

@@ -0,0 +1,64 @@
+import { describe, expect, test } from "bun:test"
+import { $ } from "bun"
+import fs from "fs/promises"
+import path from "path"
+import { Instance } from "../../src/project/instance"
+import { Worktree } from "../../src/worktree"
+import { tmpdir } from "../fixture/fixture"
+
+describe("Worktree.remove", () => {
+  test("continues when git remove exits non-zero after detaching", async () => {
+    await using tmp = await tmpdir({ git: true })
+    const root = tmp.path
+    const name = `remove-regression-${Date.now().toString(36)}`
+    const branch = `opencode/${name}`
+    const dir = path.join(root, "..", name)
+
+    await $`git worktree add --no-checkout -b ${branch} ${dir}`.cwd(root).quiet()
+    await $`git reset --hard`.cwd(dir).quiet()
+
+    const real = (await $`which git`.quiet().text()).trim()
+    expect(real).toBeTruthy()
+
+    const bin = path.join(root, "bin")
+    const shim = path.join(bin, "git")
+    await fs.mkdir(bin, { recursive: true })
+    await Bun.write(
+      shim,
+      [
+        "#!/bin/bash",
+        `REAL_GIT=${JSON.stringify(real)}`,
+        'if [ "$1" = "worktree" ] && [ "$2" = "remove" ]; then',
+        '  "$REAL_GIT" "$@" >/dev/null 2>&1',
+        '  echo "fatal: failed to remove worktree: Directory not empty" >&2',
+        "  exit 1",
+        "fi",
+        'exec "$REAL_GIT" "$@"',
+      ].join("\n"),
+    )
+    await fs.chmod(shim, 0o755)
+
+    const prev = process.env.PATH ?? ""
+    process.env.PATH = `${bin}${path.delimiter}${prev}`
+
+    const ok = await (async () => {
+      try {
+        return await Instance.provide({
+          directory: root,
+          fn: () => Worktree.remove({ directory: dir }),
+        })
+      } finally {
+        process.env.PATH = prev
+      }
+    })()
+
+    expect(ok).toBe(true)
+    expect(await Bun.file(dir).exists()).toBe(false)
+
+    const list = await $`git worktree list --porcelain`.cwd(root).quiet().text()
+    expect(list).not.toContain(`worktree ${dir}`)
+
+    const ref = await $`git show-ref --verify --quiet refs/heads/${branch}`.cwd(root).quiet().nothrow()
+    expect(ref.exitCode).not.toBe(0)
+  })
+})