janus

June 11, 2026 ยท View on GitHub

Janus is a tool for collecting and analyzing justfiles on GitHub, inspired by Crater.

janus search

Search for justfiles on github and download hits to search/TIMESTAMP/PAGE.yaml.

fetch

janus fetch

Download justfiles found by search to fetch/<SHA_256>.just.

analyze

janus analyze

Analyze justfiles downloaded by fetch. It parses justfiles with v0.4.1 and a local development copy of just, and compares the results.