mirror of
https://github.com/alkimake/paperclip.git
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Harden remote workspace sync and restore flows (#5444)
## Thinking Path
> - Paperclip orchestrates AI agents for zero-human companies
> - When an agent runs against a remote target, Paperclip syncs the
workspace out to the remote at run start and restores changes back to
the local workspace at run end
> - The previous restore flow naïvely overwrote local files with
whatever the remote returned, so files that the remote run never touched
but had timestamp/mode drift could be needlessly rewritten — and a
single static `refs/paperclip/ssh-sync/imported` ref made concurrent SSH
workspace exports race on the same git ref
> - This pull request adds a `workspace-restore-merge` module that diffs
a pre-run snapshot against the post-run remote state and only writes
back files the remote actually changed; SSH workspace exports now use a
per-import unique ref so concurrent runs can't trample each other
> - Every adapter's execute path threads the snapshot through
`prepareAdapterExecutionTargetRuntime` so the merge has the baseline it
needs
> - The benefit is workspace restores no longer churn untouched files,
and concurrent SSH runs no longer collide on the import ref
## What Changed
- `packages/adapter-utils/src/workspace-restore-merge.{ts,test.ts}`: new
module — directory snapshot (kind/mode/sha256/symlink target) plus
snapshot-aware merge that writes only the files the remote changed
- `packages/adapter-utils/src/ssh.ts`: SSH workspace export uses a
per-import unique ref (`refs/paperclip/ssh-sync/imported/<uuid>`);
restore goes through the new merge helper; `ssh-fixture.test.ts` covers
the unique-ref + merge paths
- `packages/adapter-utils/src/sandbox-managed-runtime.ts` +
`remote-managed-runtime.ts`: thread the snapshot/merge through the
sandbox and SSH paths
- `packages/adapter-utils/src/server-utils.{ts,test.ts}` +
`execution-target.ts`: helpers for capturing the pre-run snapshot;
`prepareAdapterExecutionTargetRuntime` gains required `runId` and
optional `workspaceRemoteDir`, and returns the realized
`workspaceRemoteDir`
- Each adapter's `execute.ts` (acpx, claude, codex, cursor, gemini,
opencode, pi) takes the snapshot at run start and passes it through to
the runtime restore
- Remote execute test mocks updated to match the new
`prepareWorkspaceForSshExecution` return shape and the per-run
`${managedRemoteWorkspace}` cwd subdirectory
## Verification
- `pnpm vitest run --no-coverage --project @paperclipai/adapter-utils
--project @paperclipai/adapter-acpx-local --project
@paperclipai/adapter-claude-local --project
@paperclipai/adapter-codex-local --project
@paperclipai/adapter-cursor-local --project
@paperclipai/adapter-gemini-local --project
@paperclipai/adapter-opencode-local --project
@paperclipai/adapter-pi-local` — 196/196 passing
- `pnpm typecheck` clean across the workspace
## Risks
Medium. The restore path now writes a strict subset of what it
previously did — files the remote did not touch are no longer rewritten.
If any flow was relying on a touch-without-content-change being copied
back (timestamp or permission propagation only), that behavior is now
skipped. Snapshot capture adds an O(N-files-in-workspace) hash pass at
run start; the cost is bounded by the existing exclude list. The `runId`
parameter on `prepareAdapterExecutionTargetRuntime` is now required —
every in-tree caller is updated; out-of-tree adapter authors need to
pass it.
## Model Used
Claude Opus 4.7 (1M context)
## Checklist
- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable — new module +
every adapter execute path covered
- [x] If this change affects the UI, I have included before/after
screenshots — N/A (no UI)
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] I will address all Greptile and reviewer comments before
requesting merge
This commit is contained in:
Devin Foley
GitHub
parent
824298f414
commit
12cb7b40fd
23 changed files with 1234 additions and 183 deletions
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@ -45,7 +45,7 @@ const {
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}),
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ensureCommandResolvable: vi.fn(async () => undefined),
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resolveCommandForLogs: vi.fn(async () => "ssh://fixture@127.0.0.1:2222/remote/workspace :: opencode"),
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prepareWorkspaceForSshExecution: vi.fn(async () => undefined),
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prepareWorkspaceForSshExecution: vi.fn(async () => ({ gitBacked: false })),
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restoreWorkspaceFromSshExecution: vi.fn(async () => undefined),
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runSshCommand: vi.fn(async () => ({
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stdout: "/home/agent",
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@ -117,6 +117,7 @@ describe("opencode remote execution", () => {
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cleanupDirs.push(rootDir);
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const workspaceDir = path.join(rootDir, "workspace");
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const alternateWorkspaceDir = path.join(rootDir, "workspace-other");
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const managedRemoteWorkspace = "/remote/workspace/.paperclip-runtime/runs/run-1/workspace";
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await mkdir(workspaceDir, { recursive: true });
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await mkdir(alternateWorkspaceDir, { recursive: true });
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@ -176,22 +177,22 @@ describe("opencode remote execution", () => {
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expect(result.sessionParams).toMatchObject({
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sessionId: "session_123",
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cwd: "/remote/workspace",
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cwd: managedRemoteWorkspace,
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remoteExecution: {
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transport: "ssh",
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host: "127.0.0.1",
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port: 2222,
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username: "fixture",
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remoteCwd: "/remote/workspace",
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remoteCwd: managedRemoteWorkspace,
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},
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});
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expect(prepareWorkspaceForSshExecution).toHaveBeenCalledTimes(1);
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expect(syncDirectoryToSsh).toHaveBeenCalledTimes(2);
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expect(syncDirectoryToSsh).toHaveBeenCalledWith(expect.objectContaining({
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remoteDir: "/remote/workspace/.paperclip-runtime/opencode/xdgConfig",
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remoteDir: `${managedRemoteWorkspace}/.paperclip-runtime/opencode/xdgConfig`,
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}));
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expect(syncDirectoryToSsh).toHaveBeenCalledWith(expect.objectContaining({
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remoteDir: "/remote/workspace/.paperclip-runtime/opencode/skills",
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remoteDir: `${managedRemoteWorkspace}/.paperclip-runtime/opencode/skills`,
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followSymlinks: true,
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}));
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expect(runSshCommand).toHaveBeenCalledWith(
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@ -206,18 +207,22 @@ describe("opencode remote execution", () => {
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| [string, string, string[], { env: Record<string, string>; remoteExecution?: { remoteCwd: string } | null }]
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| undefined;
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expect(modelProbeCall?.[2]).toEqual(["models"]);
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// The model probe runs after the runtime workspace is prepared (so XDG
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// points at the managed subdirectory) but the SSH session targets the
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// original target remoteCwd — the per-run subdirectory is layered
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// underneath via XDG/runtime config rather than by switching the cwd.
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expect(modelProbeCall?.[3].env.XDG_CONFIG_HOME).toBe(
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"/remote/workspace/.paperclip-runtime/opencode/xdgConfig",
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`${managedRemoteWorkspace}/.paperclip-runtime/opencode/xdgConfig`,
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);
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expect(modelProbeCall?.[3].remoteExecution?.remoteCwd).toBe("/remote/workspace");
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const call = runCall as
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| [string, string, string[], { env: Record<string, string>; remoteExecution?: { remoteCwd: string } | null }]
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| undefined;
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expect(call?.[3].env.PAPERCLIP_WORKSPACE_CWD).toBe("/remote/workspace");
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expect(call?.[3].env.PAPERCLIP_WORKSPACE_CWD).toBe(managedRemoteWorkspace);
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expect(JSON.parse(call?.[3].env.PAPERCLIP_WORKSPACES_JSON ?? "[]")).toEqual([
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{
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workspaceId: "workspace-1",
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cwd: "/remote/workspace",
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cwd: managedRemoteWorkspace,
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repoUrl: "https://github.com/paperclipai/paperclip.git",
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repoRef: "main",
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},
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@ -229,8 +234,8 @@ describe("opencode remote execution", () => {
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]);
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expect(call?.[3].env.PAPERCLIP_API_URL).toBe("http://127.0.0.1:4310");
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expect(call?.[3].env.PAPERCLIP_API_BRIDGE_MODE).toBe("queue_v1");
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expect(call?.[3].env.XDG_CONFIG_HOME).toBe("/remote/workspace/.paperclip-runtime/opencode/xdgConfig");
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expect(call?.[3].remoteExecution?.remoteCwd).toBe("/remote/workspace");
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expect(call?.[3].env.XDG_CONFIG_HOME).toBe(`${managedRemoteWorkspace}/.paperclip-runtime/opencode/xdgConfig`);
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expect(call?.[3].remoteExecution?.remoteCwd).toBe(managedRemoteWorkspace);
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expect(startAdapterExecutionTargetPaperclipBridge).toHaveBeenCalledTimes(1);
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expect(restoreWorkspaceFromSshExecution).toHaveBeenCalledTimes(1);
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});
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@ -302,6 +307,7 @@ describe("opencode remote execution", () => {
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const rootDir = await mkdtemp(path.join(os.tmpdir(), "paperclip-opencode-remote-resume-"));
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cleanupDirs.push(rootDir);
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const workspaceDir = path.join(rootDir, "workspace");
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const managedRemoteWorkspace = "/remote/workspace/.paperclip-runtime/runs/run-ssh-resume/workspace";
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await mkdir(workspaceDir, { recursive: true });
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await execute({
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@ -317,13 +323,13 @@ describe("opencode remote execution", () => {
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sessionId: "session-123",
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sessionParams: {
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sessionId: "session-123",
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cwd: "/remote/workspace",
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cwd: managedRemoteWorkspace,
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remoteExecution: {
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transport: "ssh",
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host: "127.0.0.1",
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port: 2222,
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username: "fixture",
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remoteCwd: "/remote/workspace",
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remoteCwd: managedRemoteWorkspace,
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},
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},
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sessionDisplayId: "session-123",
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@ -6,6 +6,7 @@ import { inferOpenAiCompatibleBiller, type AdapterExecutionContext, type Adapter
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import {
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adapterExecutionTargetIsRemote,
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adapterExecutionTargetRemoteCwd,
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overrideAdapterExecutionTargetRemoteCwd,
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adapterExecutionTargetSessionIdentity,
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adapterExecutionTargetSessionMatches,
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adapterExecutionTargetUsesManagedHome,
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@ -26,16 +27,15 @@ import {
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asNumber,
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asStringArray,
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parseObject,
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applyPaperclipWorkspaceEnv,
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buildPaperclipEnv,
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joinPromptSections,
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buildInvocationEnvForLogs,
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ensureAbsoluteDirectory,
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ensurePaperclipSkillSymlink,
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ensurePathInEnv,
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refreshPaperclipWorkspaceEnvForExecution,
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renderTemplate,
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renderPaperclipWakePrompt,
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shapePaperclipWorkspaceEnvForExecution,
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stringifyPaperclipWakePayload,
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DEFAULT_PAPERCLIP_AGENT_PROMPT_TEMPLATE,
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runChildProcess,
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@ -220,13 +220,7 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
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const useConfiguredInsteadOfAgentHome = workspaceSource === "agent_home" && configuredCwd.length > 0;
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const effectiveWorkspaceCwd = useConfiguredInsteadOfAgentHome ? "" : workspaceCwd;
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const cwd = effectiveWorkspaceCwd || configuredCwd || process.cwd();
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const effectiveExecutionCwd = adapterExecutionTargetRemoteCwd(executionTarget, cwd);
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const shapedWorkspaceEnv = shapePaperclipWorkspaceEnvForExecution({
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workspaceCwd: effectiveWorkspaceCwd,
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workspaceHints,
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executionTargetIsRemote,
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executionCwd: effectiveExecutionCwd,
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});
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let effectiveExecutionCwd = adapterExecutionTargetRemoteCwd(executionTarget, cwd);
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await ensureAbsoluteDirectory(cwd, { createIfMissing: true });
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const openCodeSkillEntries = await readPaperclipRuntimeSkillEntries(config, __moduleDir);
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const desiredOpenCodeSkillNames = resolvePaperclipDesiredSkillNames(config, openCodeSkillEntries);
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@ -276,20 +270,19 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
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if (approvalStatus) env.PAPERCLIP_APPROVAL_STATUS = approvalStatus;
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if (linkedIssueIds.length > 0) env.PAPERCLIP_LINKED_ISSUE_IDS = linkedIssueIds.join(",");
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if (wakePayloadJson) env.PAPERCLIP_WAKE_PAYLOAD_JSON = wakePayloadJson;
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applyPaperclipWorkspaceEnv(env, {
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workspaceCwd: shapedWorkspaceEnv.workspaceCwd,
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refreshPaperclipWorkspaceEnvForExecution({
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env,
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envConfig,
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workspaceCwd: effectiveWorkspaceCwd,
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workspaceSource,
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workspaceId,
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workspaceRepoUrl,
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workspaceRepoRef,
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workspaceHints,
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agentHome,
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executionTargetIsRemote,
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executionCwd: effectiveExecutionCwd,
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});
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if (shapedWorkspaceEnv.workspaceHints.length > 0) {
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env.PAPERCLIP_WORKSPACES_JSON = JSON.stringify(shapedWorkspaceEnv.workspaceHints);
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}
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for (const [key, value] of Object.entries(envConfig)) {
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if (typeof value === "string") env[key] = value;
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}
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// Prevent OpenCode from writing an opencode.json config file into the
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// project working directory (which would pollute the git repo). Model
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// selection is already handled via the --model CLI flag. Set after the
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`[paperclip] Syncing workspace and OpenCode runtime assets to ${describeAdapterExecutionTarget(executionTarget)}.\n`,
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);
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const preparedExecutionTargetRuntime = await prepareAdapterExecutionTargetRuntime({
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runId,
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target: executionTarget,
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adapterKey: "opencode",
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workspaceLocalDir: cwd,
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],
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});
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restoreRemoteWorkspace = () => preparedExecutionTargetRuntime.restoreWorkspace();
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effectiveExecutionCwd = preparedExecutionTargetRuntime.workspaceRemoteDir ?? effectiveExecutionCwd;
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refreshPaperclipWorkspaceEnvForExecution({
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env: preparedRuntimeConfig.env,
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envConfig,
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workspaceCwd: effectiveWorkspaceCwd,
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workspaceSource,
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workspaceId,
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workspaceRepoUrl,
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workspaceRepoRef,
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workspaceHints,
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agentHome,
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executionTargetIsRemote,
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executionCwd: effectiveExecutionCwd,
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});
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remoteRuntimeRootDir = preparedExecutionTargetRuntime.runtimeRootDir;
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const managedHome = adapterExecutionTargetUsesManagedHome(executionTarget);
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if (managedHome && preparedExecutionTargetRuntime.runtimeRootDir) {
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graceSec,
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});
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}
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if (executionTargetIsRemote && adapterExecutionTargetUsesPaperclipBridge(executionTarget)) {
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const runtimeExecutionTarget = overrideAdapterExecutionTargetRemoteCwd(executionTarget, effectiveExecutionCwd);
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if (executionTargetIsRemote && adapterExecutionTargetUsesPaperclipBridge(runtimeExecutionTarget)) {
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paperclipBridge = await startAdapterExecutionTargetPaperclipBridge({
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runId,
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target: executionTarget,
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target: runtimeExecutionTarget,
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runtimeRootDir: remoteRuntimeRootDir,
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adapterKey: "opencode",
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hostApiToken: preparedRuntimeConfig.env.PAPERCLIP_API_KEY,
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@ -440,7 +449,7 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
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const canResumeSession =
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runtimeSessionId.length > 0 &&
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(runtimeSessionCwd.length === 0 || path.resolve(runtimeSessionCwd) === path.resolve(effectiveExecutionCwd)) &&
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adapterExecutionTargetSessionMatches(runtimeRemoteExecution, executionTarget);
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adapterExecutionTargetSessionMatches(runtimeRemoteExecution, runtimeExecutionTarget);
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const sessionId = canResumeSession ? runtimeSessionId : null;
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if (executionTargetIsRemote && runtimeSessionId && !canResumeSession) {
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await onLog(
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@ -550,7 +559,7 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
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});
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}
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const proc = await runAdapterExecutionTargetProcess(runId, executionTarget, command, args, {
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const proc = await runAdapterExecutionTargetProcess(runId, runtimeExecutionTarget, command, args, {
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cwd,
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env: preparedRuntimeConfig.env,
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stdin: prompt,
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@ -596,7 +605,7 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
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...(workspaceRepoRef ? { repoRef: workspaceRepoRef } : {}),
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...(executionTargetIsRemote
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? {
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remoteExecution: adapterExecutionTargetSessionIdentity(executionTarget),
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remoteExecution: adapterExecutionTargetSessionIdentity(runtimeExecutionTarget),
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}
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: {}),
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} as Record<string, unknown>)
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