How much Rust in Firefox? See the chart.
Repository contains scripts collecting language statistics for
mozilla/gecko-dev repository. The data is saved as JSON in
gh-pages branch along with a pie chart, which is rendered from
index.mustache template. The GitHub Pages is updated by weekly
CI job, with the build time recorded in date meta tag.
Build json document with the language details:
dev/build-data ~/gecko-dev > data.json
Expand mustache template:
mustache data.json index.mustache > index.html