Build a Local AI-Powered Git Commit Message Generator in 30 Minutes

Build a Local AI-Powered Git Commit Message Generator in 30 Minutes Tired of writing "fixed stuff" or "updates" in your commit messages? This weekend, let's build a CLI tool that reads your staged changes and generates meaningful commit messages using local AI — no API keys, no cloud dependencies, completely private. What We're Building A simple Python CLI that: Reads your staged git diff Sends it to a local LLM (Ollama) Returns a well-formatted conventional commit message Optionally commits directly with that message Total time: ~30 minutes. Total cost: $0. Prerequisites Python 3.10+ Ollama installed with a model (we'll use llama3.2:3b for speed) Git (obviously) Quick Ollama setup if you haven't: # Install Ollama (Linux) curl -fsSL https://ollama.com/install.sh | sh # Pull a fast, capable model ollama pull llama3.2:3b The Code Create a new file called aicommit.py: #!/usr/bin/env python3 """ AI-powered git commit message generator using local Ollama. """ import subprocess import sys im