aocsync/README.md

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# AOC Sync
A Python script that polls multiple git repositories containing Advent of Code implementations written in Rust using `cargo-aoc` format. It automatically updates repositories when changes are detected, runs benchmarks, and generates a beautiful HTML comparison page showing performance metrics across users, years, and days.
## Features
- **Automatic Git Polling**: Monitors multiple repositories for changes
- **Flexible Repository Structure**: Supports both single-repo (all years) and multi-repo (one per year) configurations
- **Automatic Runtime Measurement**: Runs `cargo aoc` for all implemented days and parses runtime information
- **Performance Parsing**: Extracts timing data from cargo-aoc output
- **Data Storage**: SQLite database for historical performance data
- **HTML Reports**: Beautiful, responsive HTML comparison pages
- **Gap Handling**: Gracefully handles missing years, days, and parts
- **Configurable Comparisons**: Filter by specific years and days
## Requirements
- Python 3.7+
- Git
- Rust and Cargo
- `cargo-aoc` installed (install with `cargo install cargo-aoc`)
## Installation
1. Clone this repository:
```bash
git clone <repository-url>
cd aocsync
```
2. Install Python dependencies:
```bash
pip install -r requirements.txt
```
3. Ensure `cargo-aoc` is installed:
```bash
cargo install cargo-aoc
```
Note: The script runs `cargo aoc` (not `cargo aoc bench`) and parses runtime information from the output.
## Configuration
Edit `config.yaml` to configure repositories to monitor:
```yaml
# Poll interval in seconds
poll_interval: 300
# Output directory for generated HTML
output_dir: "output"
# Data storage directory
data_dir: "data"
# Repositories to monitor
repositories:
# Single repository with all years
- name: "user1"
url: "https://github.com/user1/advent-of-code"
type: "single"
local_path: "repos/user1"
# Multiple repositories, one per year
- name: "user2"
type: "multi-year"
years:
- year: 2023
url: "https://github.com/user2/aoc-2023"
local_path: "repos/user2-2023"
- year: 2024
url: "https://github.com/user2/aoc-2024"
local_path: "repos/user2-2024"
# Optional: Filter specific years to compare
compare_years: [2023, 2024]
# Optional: Filter specific days to compare
# compare_days: [1, 2, 3, 4, 5]
```
## Usage
### Run Once
To sync repositories and generate a report once:
```bash
python aocsync.py --once
```
### Force Rerun All Days
To force rerun all days even if repositories haven't changed:
```bash
python aocsync.py --once --force
```
or
```bash
python aocsync.py --once --rerun-all
```
This is useful for refreshing all data or testing changes to the script.
### Continuous Polling
To continuously poll repositories (default):
```bash
python aocsync.py
```
Or with a custom config file:
```bash
python aocsync.py --config myconfig.yaml
```
## Output
- **Database**: Performance data is stored in `data/results.db` (SQLite)
- **HTML Report**: Generated at `output/index.html` (configurable via `output_dir`)
The HTML report includes:
- Performance comparison tables for each year/day/part
- Visual highlighting of fastest and slowest implementations
- Relative speed comparisons (X times faster/slower)
- Responsive design for viewing on any device
## How It Works
1. **Git Polling**: Checks each configured repository for changes by comparing local and remote commits
2. **Repository Update**: Clones new repositories or updates existing ones when changes are detected
3. **Day Detection**: Automatically finds implemented days by scanning for `day*.rs` files and Cargo.toml entries
4. **Runtime Measurement**: Runs `cargo aoc --day X` for each implemented day
5. **Parsing**: Extracts timing data from cargo-aoc output (handles nanoseconds, microseconds, milliseconds, seconds)
6. **Storage**: Stores results in SQLite database with timestamps
7. **Report Generation**: Generates HTML comparison page showing latest results
## Repository Structure Detection
The script automatically detects:
- **Year**: From repository path, name, or Cargo.toml
- **Days**: From `src/bin/day*.rs`, `src/day*.rs`, or Cargo.toml entries
- **Parts**: From cargo-aoc benchmark output (Part 1, Part 2)
## Troubleshooting
### Cargo-aoc not found
Ensure `cargo-aoc` is installed and in your PATH:
```bash
cargo install cargo-aoc
```
### Git authentication issues
For private repositories, ensure your git credentials are configured or use SSH URLs.
### Benchmark timeouts
If benchmarks take too long, the script has a 5-minute timeout per day. Adjust in the code if needed.
### Missing performance data
If some users/days/parts don't show up:
- Check that `cargo aoc --day X` runs successfully in the repository
- Verify the repository structure matches cargo-aoc conventions
- Ensure `cargo aoc` outputs timing information (check if it's configured to show runtime)
- Check logs for parsing errors
## License
[Your License Here]