[jdx]

Summary

• discover modules from root go.work use directives without requiring the Go executable
• derive stable go: project IDs and provenance from each module's go.mod
• keep Go dependency edges explicit through [monorepo.projects] overrides, with documentation and focused coverage

Why

This completes the Go workspace-provider milestone in TASK_CACHE_PARITY.md. Go workspace membership is authoritative, while task-graph dependency relationships can be supplied explicitly when module metadata does not capture the desired build ordering.

Validation

• cargo test task::workspace::go
• mise run test:e2e test_task_go_workspace_graph
• mise run lint-fix
• cargo clippy --workspace --all-features --all-targets -- -D warnings

AI-assisted — Tool: Codex; model: unavailable/unavailable; version: unavailable.

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Note

Low Risk
New optional provider behind existing monorepo graph discovery; no auth or data-path changes, with extensive tests and conservative edge handling.

Overview
Adds Go workspace discovery to the experimental monorepo project graph, alongside existing Cargo, uv, and Node providers.

A new GoWorkspaceProvider reads root go.work use directives (single lines and blocks) and each module’s go.mod module path—without invoking the go binary—to register projects as stable go:<module-path> IDs with provenance and workspace_source metadata. Modules outside the monorepo root are skipped; missing or invalid modules surface clear errors. Dependency edges are not inferred from require/replace; docs describe using [monorepo.projects] depends_add / depends instead.

Monorepo graph discovery in config now includes the Go provider in both strict and lenient paths. Documentation covers Go discovery and overrides; TASK_CACHE_PARITY.md marks the Go workspace milestone complete. Coverage includes unit tests in go.rs and e2e test_task_go_workspace_graph.

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[greptile-apps]

Greptile Summary

Adds Go workspace discovery to the monorepo project graph.

• Parses root go.work use directives and derives stable project IDs and provenance from module go.mod files.
• Registers the Go provider for strict and lenient project discovery.
• Documents explicit dependency overrides and adds focused unit and end-to-end coverage.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains; the current implementation resolves direct, ancestor, and chained external symlinks before deciding whether a missing workspace module should be rejected.

Important Files Changed

Filename	Overview
src/task/workspace/go.rs	Implements Go workspace parsing, module discovery, containment checks, and regression coverage for external and chained symlink paths.
src/config/mod.rs	Registers the Go workspace provider alongside the existing Cargo, Node, and uv providers.
src/task/workspace.rs	Exposes the new Go workspace provider module.
e2e/tasks/test_task_go_workspace_graph	Verifies discovered Go projects, configured dependency edges, provenance, and graph explanation output.
docs/tasks/monorepo.md	Documents Go workspace discovery behavior and explicit dependency configuration.

_{Reviews (8): Last reviewed commit: "feat(task): discover Go workspaces" | Re-trigger Greptile}

[github-actions]

Instruction counts

benchmark	trend	instructions	Δ	wall (min)	Δ
env	▃▄▄█▇▅▆▅▅▅▆▃▂▁▁▄▃▃▃▅	84,668,464 → 84,761,617	+0.11%	17.89 → 21.20ms	+18.49%
hook-env	▅▅▅█▇▇▇▇▇▄▇▄▁▃▃▅▂▆▅▃	87,067,676 → 86,984,806	-0.10%	19.01 → 21.05ms	+10.72%
ls	▅▆▅█▅▅▄▅▅▄▇▂▁▃▂▂▁▄▅▄	76,687,691 → 76,633,146	-0.07%	15.57 → 16.61ms	+6.64%
registry	▁▁▁▆▅▄▄▅▆▅▆▂▇▂▂▂█▅▃▅	50,212,106 → 50,267,166	+0.11%	11.62 → 11.87ms	+2.11%
startup	▁▁▁█▇▇▇▇▇▇▇▃▂▂▂▃▃█▇█	16,075,010 → 16,098,646	+0.15%	7.86 → 8.61ms	+9.49%

No instruction-count regression above 1%.

_{Only instruction counts gate. Wall clock is shown for context — on identical hardware it moves 4-20% run to run.}

_{Measured by tak — instruction-counted CLI benchmarks, stored in this repository's git notes.}

_{c19df4fc6e56 vs 48e5c84da4ea · measured on the runner, not pushed to the history.}

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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