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review-bot/README.md
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Add unit tests, integration test, CI workflow, and conventions
- gitea/client_test.go: mock HTTP tests for all API methods + error cases
- llm/client_test.go: mock tests for completion, errors, timeouts
- review/parser_test.go: JSON parsing, markdown fences, validation
- review/formatter_test.go: markdown output, empty/multiple findings
- review/prompt_test.go: system/user prompt construction
- integration_test.go: full end-to-end flow (build tag: integration)
- .gitea/workflows/ci.yml: test + vet + build on push, dual LLM review on PRs
- CONVENTIONS.md: coding standards for self-review dogfooding
- README.md: usage docs, env vars, architecture
2026-05-01 10:03:44 -07:00

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# review-bot
Automated code review bot for Gitea. Fetches a pull request diff, sends it to an LLM for analysis, and posts a structured review back to the PR.
## Features
- Fetches PR metadata, diff, and CI status from Gitea API
- Sends context-rich prompts to any OpenAI-compatible LLM
- Parses structured JSON review responses
- Posts formatted reviews (APPROVE / REQUEST_CHANGES) back to Gitea
- Supports custom coding conventions via repo files
- Zero external dependencies — Go stdlib only
## Usage
```bash
review-bot \
--gitea-url https://gitea.example.com \
--repo owner/name \
--pr 42 \
--reviewer-token "$GITEA_TOKEN" \
--llm-base-url https://api.openai.com/v1 \
--llm-api-key "$OPENAI_API_KEY" \
--llm-model gpt-4 \
--reviewer-name "Sonnet" \
--conventions-file CONVENTIONS.md \
--dry-run
```
## Environment Variables
All flags can be set via environment variables:
| Flag | Env Var | Required | Description |
|------|---------|----------|-------------|
| `--gitea-url` | `GITEA_URL` | Yes | Gitea instance base URL |
| `--repo` | `GITEA_REPO` | Yes | Repository in `owner/name` format |
| `--pr` | `PR_NUMBER` | Yes | Pull request number |
| `--reviewer-token` | `REVIEWER_TOKEN` | Yes | Gitea API token for posting reviews |
| `--llm-base-url` | `LLM_BASE_URL` | Yes | OpenAI-compatible API base URL |
| `--llm-api-key` | `LLM_API_KEY` | Yes | LLM API key |
| `--llm-model` | `LLM_MODEL` | Yes | Model identifier |
| `--reviewer-name` | `REVIEWER_NAME` | No | Display name in review footer |
| `--conventions-file` | `CONVENTIONS_FILE` | No | Path to conventions file in repo |
| `--dry-run` | — | No | Print review to stdout instead of posting |
## Adding to a Gitea Repository
1. Build the binary or use the CI workflow approach (build in CI).
2. Add secrets to your Gitea repo (Settings → Actions → Secrets):
- `SONNET_REVIEW_TOKEN` — Gitea token for the Sonnet reviewer account
- `GPT_REVIEW_TOKEN` — Gitea token for the GPT reviewer account
- `LLM_BASE_URL` — Your LLM API endpoint
- `LLM_API_KEY` — Your LLM API key
3. Copy `.gitea/workflows/ci.yml` to your repo (or adapt it).
4. On every PR, the bot will:
- Run tests and vet
- Build review-bot
- Post reviews from each configured LLM reviewer
## Development
```bash
# Run tests
go test ./...
# Run vet
go vet ./...
# Build
go build -o review-bot ./cmd/review-bot
# Integration tests (requires env vars)
go test -tags=integration ./...
```
## Architecture
```
cmd/review-bot/ CLI entrypoint
gitea/ Gitea API client
llm/ OpenAI-compatible LLM client
review/ Prompt building, response parsing, formatting
```
## License
MIT