THE FIELD GUIDE

Commands

Command What it's for
new Start a theme from a small, working scaffold
try Download a theme from GitHub and test-drive it
install Install a theme into your real Firefox profile
uninstall Remove managed files while preserving local changes
upgrade Fetch a newer version of the theme you installed
rollback Put the previous version back
adopt Take over a theme installed some other way
profiles List every Firefox profile and what is themed in it
watch Edit CSS and see it live, no restart
pick Click any part of the UI to get its CSS selector
inspect Look up a selector you already have
init Add PR previews and CI checks to your theme repo
tweaks Screenshot every install option into a committable doc
audit Check selectors and custom properties for compatibility findings
changelog Diff two Firefox builds to see what chrome changed
snapshot Record a Firefox's chrome names, to diff against later
catalogue Build a directory of themeable UI parts
shot / compare Screenshot and diff two versions
check Run saved audit, capture and comparison settings with one combined report
doctor Report what your Firefox supports
completions Enable Bash, Zsh or Fish tab completion