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* fix(#2608): fail closed when `git add` fails during commit staging `cmdCommit` ignored `git add` failures. #2523 had already stopped a failed path entering the commit pathspec, but skipping it silently left two bad outcomes, both reproduced against the pre-fix build: - SOME paths fail -> `{"committed":true}`. `git commit` still ran and PARTIALLY committed the subset that happened to stage, under a message describing the full requested scope. - EVERY path fails -> `{"reason":"nothing_to_commit"}`, which is not what happened and points the operator nowhere. In both cases git's original `add` stderr was discarded, so the user saw a downstream `commit_failed` / pathspec error naming an innocent file — the symptom reported in the issue from a linked worktree whose git directory was outside the managed writable root. Staging failures are now collected and the command fails closed BEFORE `git commit` runs, returning the issue's specified shape: { committed: false, hash: null, reason: "staging_failed", file: "<first failing path>", error: "<original git add stderr>", failures: [ { file, error, timed_out }, ... ] } A timeout is distinguished as `staging_timeout` (issue AC5) using the projection's SIGTERM+ETIMEDOUT signal — the same idiom worktree-safety.cts uses. The check is placed ahead of the `nothing_to_commit` branch so an all-paths-failed run reports the staging cause rather than an empty changeset. Unchanged: successful staging still commits exactly the declared scope and leaves unrelated staged files alone; an explicitly-named file that does not exist is still skipped rather than staged as a deletion (#2014/#2523), and a request where every named file is missing still reports `nothing_to_commit` — no `git add` ran, so there is no staging failure to report. Regression tests inject the failure by monkeypatching `execGit` on the projection module (per CLAUDE.md, over `chmod 0o000`, which does not fault under root and would make the tests vacuous), driven in a `node -e` child because `output()` writes via `fs.writeSync(1, …)` and cannot be captured in-process. Pre-fix, 6 of the 10 assertions fail; post-fix all pass. Closes #2608 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QT3ibz5qJuDuGqpTGRYVGf * fix(#2608): roll back the index, guard the sibling surfaces, document the new reasons Six findings from the orthogonal review of the first commit, all fixed here. 1. A `staging_failed` return left the index PARTIALLY STAGED. The paths that did stage stayed in the index with no commit made and no cleanup, so the next bare `git commit` would sweep them up — the same silent partial commit this fix exists to prevent, deferred one step. (Pre-fix the partial state at least got consumed by the incorrect commit.) The staging failure path now resets the paths it staged, matching cmdPrSubrepo's established rollback-then-error convention. The reset is scoped to what THIS call staged — paths the caller had already staged are captured up front and excluded, so a caller's own work is never destroyed — and is best-effort, since an unwritable index (the very failure being reported) cannot be reset either. 2. `cmdCommitToSubrepo` still had the identical defect: a failed `git add` was dropped silently and the function committed the subset that happened to stage, discarding git's stderr. It now fails closed per sub-repo with the same staging_failed/staging_timeout reasons and the same scoped rollback. 3. The `git rm --cached --ignore-unmatch` branch (default mode, for a planning file that no longer exists on disk) still discarded its result. It mutates the index exactly like `git add`, and `--ignore-unmatch` already makes "no such path" a success, so a non-zero exit there is a real I/O failure — now routed through the same staging-failure path. 4. `agents/gsd-executor.md` documented the commit envelope as an exhaustive three-shape enum and pattern-matched only `nothing_to_commit | commit_failed`. It is the sole consumer doc for this surface, so the new reasons are added with explicit guidance not to retry (a retry hits the same unwritable index), and the "one of three shapes" framing is corrected. 5. The default (non---files) staging path and `--amend` are now covered by tests. Both were already guarded by the first commit but unexercised. 6. The changeset framed the fix as `--files`-only; it applies to default and sub-repo commits too, and now mentions the rollback. Regenerated the agent size baseline and the 18 golden install-parity fixtures for the gsd-executor.md edit. 16 assertions across both surfaces verified against the built lib. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QT3ibz5qJuDuGqpTGRYVGf * test(#2608): update the #2523 out-of-repo contract to the new staging_failed reason The remote test run surfaced this: `#2523: out-of-repo --files path is rejected by git` asserted `reason: 'nothing_to_commit'`, and now gets `staging_failed`. This is a deliberate contract improvement, not a papered-over failure. The old reason existed only because a failed `git add` was skipped and the resulting empty `stagedPaths` fell through to the empty-changeset branch. But "nothing to commit" is not what happened — the caller named a file and git refused it — and that misreport is exactly the class of defect #2608 closes. The result now carries the offending path and git's own message ("… is outside repository at …"), which is strictly more actionable for the same condition. #2523's two substantive invariants are untouched and still asserted: no commit is created, and the index is left clean. Two assertions are ADDED (the path is named, git's message is preserved) so the richer contract is pinned rather than merely allowed. Per CONTRIBUTING, a stale-test correction rides its own commit. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QT3ibz5qJuDuGqpTGRYVGf * fix(#2608): compact the executor doc addition to stay under the agent LARGE cap The remote test run failed: `gsd-executor.md is 49217 bytes — exceeds the LARGE hard cap of 49152`. The file was already at 48596 (556 bytes of headroom) and the new commit-envelope documentation pushed it 65 bytes over. The cap is a red line, not a budget to raise, so the addition is compacted rather than the cap moved: four lines instead of eight, keeping the load-bearing facts — the two new reasons, that nothing was committed and the index was rolled back, that `file` + `error` should be surfaced, and that retrying is wrong because a retry hits the same cause. Dropped only the restatement of the linked-worktree example (already in the changeset and PR) and the `failures[]` field (a superset of `file`/`error`, discoverable from the payload). Net addition is now 276 bytes; the file sits at 48872 with 280 bytes of headroom. Extracting the agent's shared boilerplate to references/ would buy much more, but that is a restructuring of the executor agent and does not belong in a commit-staging bugfix. Agent size baseline and the golden install-parity fixtures regenerated. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QT3ibz5qJuDuGqpTGRYVGf * chore(#2608): backfill changeset PR number (#2693) --------- Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
GSD Core
Git. Ship. Done.
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A light-weight meta-prompting, context engineering, and spec-driven development system for Claude Code, OpenCode, Antigravity CLI, Kimi CLI, Kilo, Codex, Copilot, Cursor, Windsurf, and more.
What is GSD Core
GSD Core is a context-engineering and spec-driven development framework that drives AI coding agents (Claude Code, Codex, Antigravity CLI, Kimi CLI, Copilot, Cursor, and more) through a disciplined phase loop. It solves context rot — the quality degradation that accumulates as an AI fills its context window — by running all heavy research, planning, and execution work in fresh-context subagents while keeping your main session lean.
How it works
Each milestone repeats the same five-step loop, one phase at a time:
- Discuss — capture implementation decisions before anything is planned
- Plan — research, decompose, and verify the plan fits a fresh context window
- Execute — run plans in parallel waves; each executor starts with a clean 200k-token context
- Verify — walk through what was built; diagnose and fix before declaring done
- Ship — create the PR, archive the phase, repeat for the next one
Quickstart
npx @opengsd/gsd-core@latest
The installer prompts for your runtime (Claude Code, OpenCode, Antigravity CLI, Kimi CLI, Kilo, Codex, Copilot, Cursor, Windsurf, and more) and whether to install globally or locally. The installer is required for cross-runtime compatibility — do not copy files from agents/ or commands/ directly.
On another runtime or without Node.js? See Install on your runtime.
Once installed, start a new project or onboard an existing repo:
/gsd-new-project # greenfield project
/gsd-onboard # existing codebase
New here? Follow Your first project for a guided walkthrough from install to first shipped phase, or Onboarding an existing codebase for brownfield setup.
Documentation
What's new in 1.7.0 → docs/whats-new-1.7.0.md
Tutorials — learning by doing:
How-to guides — task-focused recipes:
Reference — authoritative facts:
Explanation — concepts and design decisions:
Full index: docs/README.md. Other languages: 日本語 · 한국어 · Português · 简体中文.
Why it works
Most AI-coding setups fail at scale because context bloat silently degrades output quality, there is no shared memory between sessions, and nothing verifies that code actually works. GSD Core solves all three: heavy work runs in fresh subagents, structured artifacts like STATE.md and CONTEXT.md survive session boundaries, and the verify step walks through what was built and generates fix plans before a phase is declared done. See docs/explanation/context-engineering.md for the full reasoning.
Troubleshooting? See docs/how-to/recover-and-troubleshoot.md.
Community
| Project | Platform |
|---|---|
| gsd-opencode | Original OpenCode port |
| Discord | Community support |
Star History
License
MIT License. See LICENSE for details.
Claude Code is powerful. GSD Core makes it reliable.