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🏃 rnr

Clone a repo. Run tasks. No setup required.

Build & Test Integration Tests License: MIT

✨ What is rnr?

rnr (pronounced "runner") is a cross-platform task runner that works instantly on any machine. No Node.js. No Python. No global installs. Just clone and go.

git clone your-repo
./rnr build    # It just works! 🎉

🤔 Why rnr?

Tool Requires
npm scripts Node.js installed
Makefile Make installed (painful on Windows)
Just Just installed
Task Task installed
rnr Nothing! ✅

rnr binaries live inside your repo. Contributors clone and run—zero friction.

🚀 Quick Start

Initialize a Project (One-time setup by maintainer)

Linux:

curl -fsSL https://github.com/CodingWithCalvin/rnr.cli/releases/latest/download/rnr-linux-amd64 -o rnr
chmod +x rnr
./rnr init

macOS (Intel):

curl -fsSL https://github.com/CodingWithCalvin/rnr.cli/releases/latest/download/rnr-macos-amd64 -o rnr
chmod +x rnr
./rnr init

macOS (Apple Silicon):

curl -fsSL https://github.com/CodingWithCalvin/rnr.cli/releases/latest/download/rnr-macos-arm64 -o rnr
chmod +x rnr
./rnr init

Windows (PowerShell):

Invoke-WebRequest -Uri "https://github.com/CodingWithCalvin/rnr.cli/releases/latest/download/rnr-windows-amd64.exe" -OutFile "rnr.exe"
.\rnr.exe init

Platform Selection

During init, you'll choose which platforms your project should support:

Which platforms should this project support?

  [x] linux-amd64      (760 KB)
  [ ] macos-amd64      (662 KB)
  [x] macos-arm64      (608 KB)  <- current
  [x] windows-amd64    (584 KB)
  [ ] windows-arm64    (528 KB)

  Selected: 1.95 MB total

What Gets Created

your-repo/
├── .rnr/
│   ├── config.yaml    # Tracks configured platforms
│   └── bin/           # Platform binaries (only selected ones)
├── rnr                # Unix wrapper script (auto-detects platform)
├── rnr.cmd            # Windows wrapper script (auto-detects arch)
└── rnr.yaml           # Your task definitions

Run Tasks

./rnr build        # Run the 'build' task
./rnr test         # Run the 'test' task
./rnr --list       # See all available tasks

For Contributors

After cloning a repo with rnr configured:

git clone your-repo
./rnr build    # It just works! 🎉

No installs. No setup. The binaries are already in the repo.

📝 Task File Format

Tasks are defined in rnr.yaml at your project root.

Simple Commands (Shorthand)

build: cargo build --release
test: cargo test
lint: npm run lint

Full Task Definition

build:
  description: Build for production
  dir: src/backend           # Working directory
  env:
    NODE_ENV: production     # Environment variables
  cmd: npm run build

Sequential Steps

ci:
  description: Run CI pipeline
  steps:
    - task: lint
    - task: test
    - task: build

Parallel Execution

build-all:
  description: Build all services
  steps:
    - cmd: echo "Starting builds..."
    - parallel:
        - task: build-api
        - task: build-web
    - cmd: echo "✅ All done!"

Nested Task Files

Subdirectories can have their own rnr.yaml:

# Root rnr.yaml
api:build:
  dir: services/api
  task: build          # Runs 'build' from services/api/rnr.yaml

🛠️ Built-in Commands

Command Description
rnr <task> Run a task
rnr --list List available tasks
rnr --help Show help
rnr --version Show version
rnr init Initialize rnr in current directory
rnr upgrade Update rnr binaries to latest

📋 Complete Example

# rnr.yaml

# Simple commands
lint: cargo clippy
format: cargo fmt

# Full tasks
build:
  description: Build release binary
  env:
    RUST_LOG: info
  cmd: cargo build --release

test:
  description: Run all tests
  cmd: cargo test --all

# Multi-step workflow
ci:
  description: Full CI pipeline
  steps:
    - task: format
    - task: lint
    - task: test
    - task: build

# Parallel builds for monorepo
build-all:
  description: Build all services
  steps:
    - parallel:
        - dir: services/api
          cmd: cargo build --release
        - dir: services/web
          cmd: npm run build
    - cmd: echo "🎉 Build complete!"

# Deploy workflow
deploy:
  description: Deploy to production
  steps:
    - task: ci
    - cmd: ./scripts/deploy.sh

🌍 Platform Support

Platform Architecture Status
Linux x86_64 ✅
macOS x86_64 ✅
macOS ARM64 (Apple Silicon) ✅
Windows x86_64 ✅
Windows ARM64 ✅

🔮 Roadmap

  • Task dependencies (depends: [build, test])
  • Conditional execution (if: ${{ env.CI }})
  • Watch mode (watch: [src/**/*.rs])
  • Variable interpolation (${{ vars.version }})
  • Caching / incremental builds
  • Interactive task picker

See DESIGN.md for the full roadmap.

🤝 Contributing

Contributions are welcome! Please read our contributing guidelines and submit PRs.

Development

# Clone the repo
git clone https://github.com/CodingWithCalvin/rnr.cli
cd rnr.cli

# Build
cargo build

# Run tests
cargo test

# Run locally
cargo run -- --help

👥 Contributors

CalvinAllen BradKnowles

📄 License

MIT License - see LICENSE for details.

Made with ❤️ by CodingWithCalvin