Pull request overview

This PR prevents Git fsmonitor daemons from being spawned/leaked by opencode’s temporary repos, readonly git checks, and worktree cleanup—especially on Windows.

Changes:

• Disable core.fsmonitor in opencode-owned temp git repos and stop any running daemon before removing git directories.
• Force readonly git operations (status, diff, ls-files, show) to opt out of fsmonitor via git -c core.fsmonitor=false ....
• Add Windows-focused regression tests covering fixture cleanup, readonly git checks, and worktree removal behavior.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

const wintest = process.platform === "win32" ? test : test.skip

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()

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