## Thinking Path
> - Paperclip is the open source app people use to manage AI agents for
work
> - Agent adapters stage referenced projects into controlled sandboxes
> - The ignore scan must preserve exact Git path bytes and fail closed
on unsafe input
> - Unbounded ignored-path data and raw diagnostics can harm resource
use or expose host details
> - This pull request adds exact path parsing, input bounds, fixed
failure categories, and saturation-only retry
> - The benefit is safer and more predictable referenced-project staging
## Linked Issues or Issue Description
**What happened?**
The referenced-project ignore scan trimmed NUL-delimited Git paths. It
also accepted a large ignored-path set and exposed raw failure details
through staging errors and warnings.
**Expected behavior**
The scan must preserve leading and trailing whitespace in Git paths. It
must reject oversized ignored-path data and expose only fixed failure
categories.
**Steps to reproduce**
1. Run the referenced-project ignore scan with paths that start or end
with whitespace.
2. Provide more than 10,000 ignored entries or more than 2 MiB of path
bytes.
3. Trigger a scan failure and inspect the reported reason.
**Paperclip version or commit**
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| src | ||
| CHANGELOG.md | ||
| README.md | ||
| package.json | ||
| tsconfig.json | ||
README.md
@paperclipai/adapter-utils
Shared utilities for Paperclip adapters: process spawning, environment injection, sandbox/SSH transport, workspace sync, and the round-trip helpers that move code between the local execution-workspace cwd and wherever the agent actually runs.
For the adapter-author guide see
docs/adapters/creating-an-adapter.md
and the in-repo notes at packages/adapters/AUTHORING.md.
No-remote-git contract
The local execution-workspace cwd is the only persistence boundary across runs. No adapter may depend on a git remote for cross-run state.
Adapters that run the agent on a different host should use the SSH round-trip
helpers in src/ssh.ts:
prepareWorkspaceForSshExecution({ spec, localDir, remoteDir })— bundles the local cwd (tracked files, dirty edits, untracked additions, and the git history needed to reconstruct it) toremoteDirbefore the run starts. Runs with nogit remoteconfigured.restoreWorkspaceFromSshExecution({ spec, localDir, remoteDir, ... })— syncs the remote cwd back intolocalDirafter the run, including any new commits the agent created. Also runs with nogit remoteconfigured.
prepareRemoteManagedRuntime in
src/remote-managed-runtime.ts wraps both
calls for adapters that want a per-run remote workspace and an automatic
restoreWorkspace() finally hook.
The invariant is pinned by the no-remote-git contract case in
src/ssh-fixture.test.ts, which asserts that a
remote-only commit propagates to the local worktree through the
prepare → restore round-trip with no git remote configured at any point. Do
not regress that test.