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import { $ } from "bun"
import fs from "fs/promises"
import path from "path"
import { eq } from "drizzle-orm"
import { Effect, Fiber, Stream } from "effect"
import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
import { LayerNode } from "@opencode-ai/core/effect/layer-node"
import { AbsolutePath } from "@opencode-ai/core/schema"
import { Git } from "@opencode-ai/core/git"
import { Database } from "@opencode-ai/core/database/database"
import { EventV2 } from "@opencode-ai/core/event"
import { Project } from "@opencode-ai/core/project"
import { ProjectDirectoryTable, ProjectTable } from "@opencode-ai/core/project/sql"
import { ProjectCopy } from "@opencode-ai/core/project/copy"
import { ProjectDirectories } from "@opencode-ai/core/project/directories"
import { tmpdir } from "./fixture/tmpdir"
import { testEffect } from "./lib/effect"
const it = testEffect(
AppNodeBuilder.build(LayerNode.group([ProjectCopy.node, Database.node, EventV2.node, ProjectDirectories.node])),
)
function abs(input: string) {
return AbsolutePath.make(input)
}
const gitWorktree = ProjectCopy.StrategyID.make("git_worktree")
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()
}
function setup() {
return Effect.gen(function* () {
const root = yield* Effect.acquireRelease(
Effect.promise(() => tmpdir()),
(dir) => Effect.promise(() => dir[Symbol.asyncDispose]()),
)
yield* Effect.promise(() => initRepo(root.path))
const sourceDirectory = abs(yield* Effect.promise(() => fs.realpath(root.path)))
const projectID = Project.ID.make("copy-project")
const { db } = yield* Database.Service
yield* db
.insert(ProjectTable)
.values({ id: projectID, worktree: sourceDirectory, sandboxes: [], time_created: 1, time_updated: 1 })
.run()
.pipe(Effect.orDie)
yield* db
.insert(ProjectDirectoryTable)
.values({ project_id: projectID, directory: sourceDirectory })
.run()
.pipe(Effect.orDie)
return { root, sourceDirectory, projectID, db }
})
}
function stored(projectID: Project.ID) {
return Database.Service.use(({ db }) =>
db
.select({ directory: ProjectDirectoryTable.directory, strategy: ProjectDirectoryTable.strategy })
.from(ProjectDirectoryTable)
.where(eq(ProjectDirectoryTable.project_id, projectID))
.all()
.pipe(
Effect.orDie,
Effect.map((rows) => rows.toSorted((a, b) => a.directory.localeCompare(b.directory))),
),
)
}
describe("ProjectCopy", () => {
it.effect("accepts arbitrary non-empty strategy ids", () =>
Effect.sync(() => {
expect(String(ProjectCopy.StrategyID.make("acme/snapshot"))).toBe("acme/snapshot")
expect(() => ProjectCopy.StrategyID.make(" acme/snapshot ")).toThrow()
expect(() => ProjectCopy.StrategyID.make(" ")).toThrow()
}),
)
it.effect("rejects duplicate strategies and reports unavailable ids", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const strategy: ProjectCopy.Strategy = {
id: ProjectCopy.StrategyID.make("test/duplicate"),
create: () => Effect.die("unused"),
remove: () => Effect.die("unused"),
list: () => Effect.succeed([]),
}
yield* copy.register(strategy)
expect(yield* copy.register(strategy).pipe(Effect.flip)).toBeInstanceOf(ProjectCopy.DuplicateStrategyError)
const unavailable = ProjectCopy.StrategyID.make("acme/missing")
const error = yield* copy
.create({
projectID: input.projectID,
strategy: unavailable,
sourceDirectory: input.sourceDirectory,
directory: abs(`${input.root.path}-missing-strategy`),
name: "copy",
})
.pipe(Effect.flip)
expect(error).toBeInstanceOf(ProjectCopy.StrategyUnavailableError)
if (error instanceof ProjectCopy.StrategyUnavailableError) expect(error.strategy).toBe(unavailable)
}),
)
it.live("creates and removes a git worktree directory", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const events = yield* EventV2.Service
const temp = yield* Effect.promise(() => fs.realpath(path.dirname(input.root.path)))
const parent = abs(path.join(temp, path.basename(input.root.path) + "-copy-created"))
const target = abs(path.join(parent, "copy"))
yield* Effect.addFinalizer(() =>
Effect.promise(() => fs.rm(parent, { recursive: true, force: true })).pipe(Effect.ignore),
)
const fiber = yield* events
.subscribe(ProjectCopy.Event.Updated)
.pipe(Stream.take(1), Stream.runCollect, Effect.forkScoped)
yield* Effect.yieldNow
const created = yield* copy.create({
projectID: input.projectID,
strategy: gitWorktree,
sourceDirectory: input.sourceDirectory,
directory: parent,
name: "copy",
})
expect(created.directory).toBe(target)
expect(yield* stored(input.projectID)).toEqual(
[
{ directory: input.sourceDirectory, strategy: null },
{ directory: created.directory, strategy: "git_worktree" },
].toSorted((a, b) => a.directory.localeCompare(b.directory)),
)
expect(Array.from(yield* Fiber.join(fiber))[0]?.data).toEqual({ projectID: input.projectID })
yield* copy.remove({ projectID: input.projectID, directory: created.directory, force: false })
expect(yield* stored(input.projectID)).toEqual([{ directory: input.sourceDirectory, strategy: null }])
expect(yield* Effect.promise(() => Bun.file(target).exists())).toBe(false)
}),
)
it.live("requires force to remove a dirty git worktree", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const temp = yield* Effect.promise(() => fs.realpath(path.dirname(input.root.path)))
const parent = abs(path.join(temp, path.basename(input.root.path) + "-copy-dirty"))
yield* Effect.addFinalizer(() =>
Effect.promise(() => fs.rm(parent, { recursive: true, force: true })).pipe(Effect.ignore),
)
const created = yield* copy.create({
projectID: input.projectID,
strategy: gitWorktree,
sourceDirectory: input.sourceDirectory,
directory: parent,
name: "copy",
})
yield* Effect.promise(() => Bun.write(path.join(created.directory, "dirty.txt"), "dirty"))
const error = yield* copy
.remove({ projectID: input.projectID, directory: created.directory, force: false })
.pipe(Effect.flip)
expect(error).toBeInstanceOf(Git.WorktreeError)
if (error instanceof Git.WorktreeError) {
expect(error.operation).toBe("remove")
expect(error.forceRequired).toBe(true)
}
expect(yield* stored(input.projectID)).toContainEqual({ directory: created.directory, strategy: "git_worktree" })
expect(yield* Effect.promise(() => Bun.file(path.join(created.directory, "dirty.txt")).exists())).toBe(true)
yield* copy.remove({ projectID: input.projectID, directory: created.directory, force: true })
expect(yield* Effect.promise(() => Bun.file(created.directory).exists())).toBe(false)
}),
)
it.live("preserves copies whose stored strategy is unavailable", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const unavailable = abs(`${input.root.path}-copy-unavailable`)
yield* Effect.promise(() => fs.mkdir(unavailable))
yield* Effect.addFinalizer(() => Effect.promise(() => fs.rm(unavailable, { recursive: true, force: true })))
yield* input.db
.insert(ProjectDirectoryTable)
.values({ project_id: input.projectID, directory: unavailable, strategy: "acme/missing" })
.run()
.pipe(Effect.orDie)
const error = yield* copy
.remove({ projectID: input.projectID, directory: unavailable, force: false })
.pipe(Effect.flip)
expect(error).toBeInstanceOf(ProjectCopy.StrategyUnavailableError)
expect(yield* stored(input.projectID)).toContainEqual({ directory: unavailable, strategy: "acme/missing" })
}),
)
it.live("adds a numeric suffix when a copy directory already exists", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const temp = yield* Effect.promise(() => fs.realpath(path.dirname(input.root.path)))
const parent = abs(path.join(temp, path.basename(input.root.path) + "-copy-suffix"))
const target = abs(path.join(parent, "copy-3"))
yield* Effect.addFinalizer(() =>
Effect.promise(() => fs.rm(parent, { recursive: true, force: true })).pipe(Effect.ignore),
)
yield* Effect.promise(() => fs.mkdir(path.join(parent, "copy"), { recursive: true }))
yield* Effect.promise(() => fs.mkdir(path.join(parent, "copy-2")))
const created = yield* copy.create({
projectID: input.projectID,
strategy: gitWorktree,
sourceDirectory: input.sourceDirectory,
directory: parent,
name: "copy",
})
expect(created.directory).toBe(target)
expect(yield* Effect.promise(() => fs.stat(path.join(parent, "copy")).then((item) => item.isDirectory()))).toBe(
true,
)
expect(yield* Effect.promise(() => fs.stat(path.join(parent, "copy-2")).then((item) => item.isDirectory()))).toBe(
true,
)
yield* copy.remove({ projectID: input.projectID, directory: created.directory, force: false })
}),
)
it.live("fails after ten copy directory conflicts", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const temp = yield* Effect.promise(() => fs.realpath(path.dirname(input.root.path)))
const parent = abs(path.join(temp, path.basename(input.root.path) + "-copy-conflicts"))
yield* Effect.addFinalizer(() =>
Effect.promise(() => fs.rm(parent, { recursive: true, force: true })).pipe(Effect.ignore),
)
yield* Effect.promise(() =>
Promise.all(
Array.from({ length: 10 }, (_, index) =>
fs.mkdir(path.join(parent, index === 0 ? "copy" : `copy-${index + 1}`), { recursive: true }),
),
),
)
const error = yield* copy
.create({
projectID: input.projectID,
strategy: gitWorktree,
sourceDirectory: input.sourceDirectory,
directory: parent,
name: "copy",
})
.pipe(Effect.flip)
expect(error).toBeInstanceOf(ProjectCopy.DestinationExistsError)
if (error instanceof ProjectCopy.DestinationExistsError)
expect(error.directory).toBe(abs(path.join(parent, "copy-10")))
}),
)
it.live("does not publish an event when refresh finds no directory changes", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const events = yield* EventV2.Service
const event = yield* events.subscribe(ProjectCopy.Event.Updated).pipe(
Stream.take(1),
Stream.runCollect,
Effect.forkScoped,
Effect.flatMap((fiber) =>
Effect.gen(function* () {
yield* Effect.yieldNow
yield* copy.refresh({ projectID: input.projectID })
return yield* Fiber.join(fiber).pipe(Effect.timeoutOption("50 millis"))
}),
),
)
expect(event._tag).toBe("None")
}),
)
it.live("refresh discovers and prunes an externally managed git worktree", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const events = yield* EventV2.Service
const target = abs(`${input.root.path}-copy-external`)
yield* Effect.addFinalizer(() =>
Effect.promise(() => fs.rm(target, { recursive: true, force: true })).pipe(Effect.ignore),
)
yield* Effect.promise(() => $`git worktree add --detach ${target} HEAD`.cwd(input.root.path).quiet())
yield* input.db
.insert(ProjectDirectoryTable)
.values({ project_id: input.projectID, directory: target })
.run()
.pipe(Effect.orDie)
const fiber = yield* events
.subscribe(ProjectCopy.Event.Updated)
.pipe(Stream.take(1), Stream.runCollect, Effect.forkScoped)
yield* Effect.yieldNow
const discovered = abs(yield* Effect.promise(() => fs.realpath(target)))
expect(yield* copy.refresh({ projectID: input.projectID })).toEqual({ updated: [discovered], removed: [] })
expect(yield* stored(input.projectID)).toEqual(
[
{ directory: input.sourceDirectory, strategy: null },
{ directory: discovered, strategy: "git_worktree" },
].toSorted((a, b) => a.directory.localeCompare(b.directory)),
)
expect(Array.from(yield* Fiber.join(fiber))[0]?.data).toEqual({ projectID: input.projectID })
yield* Effect.promise(() => $`git worktree remove --force ${target}`.cwd(input.root.path).quiet())
expect(yield* copy.refresh({ projectID: input.projectID })).toEqual({ updated: [], removed: [discovered] })
expect(yield* stored(input.projectID)).toEqual([{ directory: input.sourceDirectory, strategy: null }])
}),
)
it.live("refresh ignores stale git worktree registrations", () =>
Effect.gen(function* () {
const input = yield* setup()
const copy = yield* ProjectCopy.Service
const stale = abs(`${input.root.path}-copy-stale`)
const target = abs(`${input.root.path}-copy-after-stale`)
yield* Effect.addFinalizer(() =>
Effect.promise(() => fs.rm(target, { recursive: true, force: true })).pipe(Effect.ignore),
)
yield* Effect.promise(() => $`git worktree add --detach ${stale} HEAD`.cwd(input.root.path).quiet())
yield* Effect.promise(() => fs.rm(stale, { recursive: true, force: true }))
yield* Effect.promise(() => $`git worktree add --detach ${target} HEAD`.cwd(input.root.path).quiet())
yield* copy.refresh({ projectID: input.projectID })
const discovered = abs(yield* Effect.promise(() => fs.realpath(target)))
expect(yield* stored(input.projectID)).toEqual(
[
{ directory: input.sourceDirectory, strategy: null },
{ directory: discovered, strategy: "git_worktree" },
].toSorted((a, b) => a.directory.localeCompare(b.directory)),
)
}),
)
it.live("refresh ignores existing directories that are no longer git checkouts", () =>
Effect.gen(function* () {
const input = yield* setup()
yield* Effect.promise(() => fs.rm(path.join(input.sourceDirectory, ".git"), { recursive: true }))
const copy = yield* ProjectCopy.Service
yield* copy.refresh({ projectID: input.projectID })
expect(yield* stored(input.projectID)).toEqual([{ directory: input.sourceDirectory, strategy: null }])
}),
)
it.live("refresh with no roots is a no-op", () =>
Effect.gen(function* () {
const copy = yield* ProjectCopy.Service
expect(yield* copy.refresh({ projectID: Project.ID.make("missing-project") })).toEqual({
updated: [],
removed: [],
})
}),
)
it.live("refresh removes missing ordinary checkouts", () =>
Effect.gen(function* () {
const input = yield* setup()
const missing = abs(`${input.root.path}-missing-checkout`)
yield* input.db
.insert(ProjectDirectoryTable)
.values({ project_id: input.projectID, directory: missing })
.run()
.pipe(Effect.orDie)
const copy = yield* ProjectCopy.Service
expect(yield* copy.refresh({ projectID: input.projectID })).toEqual({ updated: [], removed: [missing] })
expect(yield* stored(input.projectID)).not.toContainEqual({ directory: missing, strategy: null })
}),
)
})
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