run_onchange_after_39-firefox-userchrome-sync.sh.tmpl

#!/usr/bin/env bash
{{- if eq .chezmoi.os "darwin" }}
# Sync Mocha Neon userChrome.css into ALL Firefox profiles (regular + Dev Edition + Nightly).
# Firefox auto-loads userChrome.css from <profile>/chrome/ when about:config flag
# `toolkit.legacyUserProfileCustomizations.stylesheets = true` is set (one-time per profile).
#
# fingerprint: {{ output "bash" "-c" (printf "cd %q && find dot_config/firefox -type f -name 'userChrome.css' -print0 2>/dev/null | sort -z | xargs -0 sha256sum 2>/dev/null | sha256sum | cut -d' ' -f1" .chezmoi.sourceDir) }}

set -eu

SRC="$HOME/.config/firefox/userChrome.css"
if [ ! -f "$SRC" ]; then
  echo "firefox-userchrome-sync: $SRC missing — skipping."
  exit 0
fi

# Candidate profile roots on macOS — regular Firefox + Developer Edition + Nightly.
# macOS keeps regular + Dev Edition + Nightly profiles all under
# `~/Library/Application Support/Firefox/Profiles/` — distinguish by folder
# suffix (.default vs .dev-edition-default vs .release). The Firefox Nightly
# install uses a separate path though, so try both roots.
ROOTS=(
  "$HOME/Library/Application Support/Firefox/Profiles"
  "$HOME/Library/Application Support/Firefox Nightly/Profiles"
)

found_any=0
for root in "${ROOTS[@]}"; do
  [ -d "$root" ] || continue
  while IFS= read -r prof; do
    [ -n "$prof" ] || continue
    mkdir -p "$prof/chrome"
    cp -f "$SRC" "$prof/chrome/userChrome.css"
    echo "firefox-userchrome-sync: synced → $prof/chrome/userChrome.css"
    found_any=1
  done < <(find "$root" -mindepth 1 -maxdepth 1 -type d 2>/dev/null)
done

if [ "$found_any" -eq 0 ]; then
  echo "firefox-userchrome-sync: no Firefox profiles found — skipping."
fi
{{- end }}