mirror of
https://github.com/kuhyx/utils.git
synced 2026-11-11 15:08:19 +01:00
Krzysztof kuhy Rudnicki
6d96c58f01
teatr-pw and teatr-pw-pytania (created ad hoc 2026-10-09) had no shim, hook or '## Commands' section: the gate was only ever rolled out by hand. The installer writes shim + pre-commit hook + CI workflow and bootstraps the Commands section and scripts/test_changed.sh, exiting 1 while <FILL IN> remains. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TjyHmRrjZssaxXDWcGuCeQ
76 lines
3.1 KiB
Markdown
76 lines
3.1 KiB
Markdown
# repo_contract
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Shared gate: every repo tells an agent how to run and test it, so nobody has to
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explore. Enforced like the other shared gates (real gate in `~/src/utils`, a
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thin shim per repo, pre-commit + CI).
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## The contract
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`CLAUDE.md` (or `AGENTS.md` that `CLAUDE.md` symlinks to) has a `## Commands`
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section with one line per key, exactly `- <key>: \`<command>\``:
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```markdown
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## Commands
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- run: `<command>` | n/a: library
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- test: `<full suite>`
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- test-changed: `scripts/test_changed.sh`
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- lint: `<command>`
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- coverage: `<command writing a report>`
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- coverage-gaps: `coverage-gaps <report>`
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```
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Rules (all machine-checked):
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1. All six keys present, once each. A value is a backticked command or
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`n/a: <reason>` / `n/a (<reason>)`. A bare `n/a` fails: n/a carries a reason.
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2. `test-changed` invokes an existing, executable `scripts/test_changed.sh`-style
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script that runs only tests related to files changed vs HEAD, falls back to
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the full suite when it cannot map, and prints failures plus a one-line
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summary only.
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3. `coverage-gaps` runs the shared lister `coverage-gaps <report>`
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(`~/src/utils/coverage_gaps`).
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4. `test`, `test-changed`, `lint`, `coverage` are quiet: no `-v`/`--verbose`/
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expanded reporter, in the command or in the script's runner lines.
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5. No placeholders (`<FILL IN>`, `TODO`, `...`).
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6. If `test` is n/a, then `test-changed`, `coverage`, `coverage-gaps` are n/a
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too, and the repo must contain no tests (bounded scan).
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## Use
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```bash
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python3 ~/src/utils/repo_contract/check.py --repo <path> # 0 pass / 1 violations / 2 unreadable
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python3 ~/src/utils/repo_contract/bootstrap.py --repo <path> # print proposal
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python3 ~/src/utils/repo_contract/bootstrap.py --repo <path> --write
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python3 ~/src/utils/repo_contract/sweep.py # ~/data/claude-scratch/repo-contract/SWEEP.md
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```
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Bootstrap never overwrites: it appends the section (or inserts missing lines at
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the end of an existing `## Commands`), creates `CLAUDE.md -> AGENTS.md` when
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only AGENTS.md exists, and writes `scripts/test_changed.sh` only if absent.
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Sources, in priority order: existing CLAUDE.md, `scripts/<key>.sh`, Makefile,
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package.json (node only), CI workflows, stack defaults. Anything it cannot infer
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is written as `<FILL IN>`, which the gate rejects until a human fills it.
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## Adding the gate to a repo
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Run this on every new repo right after `git init` (idempotent):
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```bash
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~/src/utils/scripts/install_repo_contract_gate.sh <repo> # --check to preview
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```
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It writes the `scripts/check_repo_contract.sh` shim, the pre-commit hook, the
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CI workflow (skipped when the repo has `.dep-freshness-no-workflow`, i.e. no
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GitHub Actions), then bootstraps the `## Commands` section and
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`scripts/test_changed.sh`. It exits 1 while a `<FILL IN>` remains. Never copy
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`scripts/check_repo_contract.sh` from this repo (it is the real gate, not a shim).
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The hook only fires on commits touching CLAUDE.md/AGENTS.md/test_changed.sh,
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so a repo that never got the installer is caught only by `sweep.py`.
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## Tests
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```bash
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PYTHONPATH=. python -m pytest repo_contract/tests -q --cov=repo_contract --cov-branch --cov-fail-under=100
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```
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