feat(core): project copying and tracking directories (#30139)

packages/core/test/git.test.ts

@@ -1,8 +1,10 @@
 import { describe, expect } from "bun:test"
+import { $ } from "bun"
 import fs from "fs/promises"
 import path from "path"
 import { Effect } from "effect"
 import { Git } from "@opencode-ai/core/git"
+import { AbsolutePath } from "@opencode-ai/core/schema"
 import { branch, commit, gitRemote } from "./fixture/git"
 import { tmpdir } from "./fixture/tmpdir"
 import { testEffect } from "./lib/effect"
@@ -64,3 +66,41 @@ function withRemote<A, E, R>(body: (fixture: Awaited<ReturnType<typeof gitRemote
 function read(file: string) {
   return Effect.promise(() => fs.readFile(file, "utf8")).pipe(Effect.map((content) => content.replace(/\r\n/g, "\n")))
 }
+
+async function initRepo(directory: string) {
+  await $`git init`.cwd(directory).quiet()
+  await $`git config core.fsmonitor false`.cwd(directory).quiet()
+  await $`git config commit.gpgsign false`.cwd(directory).quiet()
+  await $`git config user.email test@opencode.test`.cwd(directory).quiet()
+  await $`git config user.name Test`.cwd(directory).quiet()
+  await $`git commit --allow-empty -m root`.cwd(directory).quiet()
+}
+
+describe("Git worktrees", () => {
+  it.live("creates, lists, and removes linked worktrees", () =>
+    Effect.gen(function* () {
+      const root = yield* Effect.acquireRelease(
+        Effect.promise(() => tmpdir()),
+        (dir) => Effect.promise(() => dir[Symbol.asyncDispose]()),
+      )
+      yield* Effect.promise(() => initRepo(root.path))
+      const directory = AbsolutePath.make(yield* Effect.promise(() => fs.realpath(root.path)))
+      const worktree = AbsolutePath.make(`${root.path}-git-worktree`)
+      yield* Effect.addFinalizer(() =>
+        Effect.promise(() => fs.rm(worktree, { recursive: true, force: true })).pipe(Effect.ignore),
+      )
+      const git = yield* Git.Service
+      const repo = { directory, store: AbsolutePath.make(path.join(directory, ".git")) }
+
+      yield* git.worktreeCreate({ repo, directory: worktree })
+
+      expect((yield* git.worktreeList(repo)).some((entry) => entry.endsWith("-git-worktree"))).toBe(true)
+      const linked = yield* git.find(worktree)
+      expect(linked?.directory).toBe(AbsolutePath.make(yield* Effect.promise(() => fs.realpath(worktree))))
+      expect(linked?.store).toBe(repo.store)
+      if (!linked) throw new Error("Linked worktree not found")
+      yield* git.worktreeRemove({ repo: linked, directory: worktree })
+      expect((yield* git.worktreeList(repo)).some((entry) => entry.endsWith("-git-worktree"))).toBe(false)
+    }),
+  )
+})