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Fixes: - Single source of truth: script now parses allowlist from CONVENTIONS.md - Fail closed: script exits non-zero if 'go list' fails - Direct deps only: uses '-f' flag to exclude transitive deps - Added 'precommit' to .PHONY in Makefile - Removed unused ALLOWED_PATTERN variable - Added Scope column to distinguish test-only vs production deps - Clarified that transitive deps of approved packages are allowed - Added note that enforcement script parses the table
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Conventions
Language & Dependencies
- Target the latest stable Go release.
- STRICT ALLOWLIST: Only packages listed below may be imported. No exceptions.
Approved Third-Party Packages
| Package | Use Case | Scope |
|---|---|---|
gopkg.in/yaml.v3 |
YAML parsing (persona files, config) | production |
github.com/google/go-cmp |
Test comparisons (cmp.Diff) |
test only |
Any import not in this table or the Go standard library is forbidden.
Transitive dependencies of approved packages are automatically allowed.
To request a new dependency:
- Open a PR that ONLY updates this table
- Requires explicit approval from Aaron
- After merge, a separate PR may use the package
Enforcement: scripts/check-deps.sh parses this table — update only here.
Error Handling
- Return errors; never panic.
- Wrap errors with context using
fmt.Errorf("context: %w", err). - Check all error returns.
Testing
- Test every exported function.
- Use
net/http/httptestfor HTTP mocking. - Table-driven tests where multiple inputs share the same assertion logic.
- Integration tests use build tags (
//go:build integration).
Style
- Keep functions short and focused.
- Prefer early returns over deep nesting.
- Meaningful variable names — no single-letter names outside loop indices.
- Comments explain why, not what.
Process
go test ./...must pass before commit.go vet ./...must pass before commit.- Keep commits atomic and well-described.