docker-firefox/rootfs/etc/cont-init.d/56-firefox-set-prefs-from-env.sh
2022-10-09 21:58:17 -04:00

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#!/bin/sh
set -e
PREF_FILE="${1:-/config/profile/prefs.js}"
if [ -z "$PREF_FILE" ]; then
echo "ERROR: Preference file not set."
exit 1
fi
mkdir -p "$(dirname "$PREF_FILE")"
[ -f "$PREF_FILE" ] || touch "$PREF_FILE"
env | grep "^FF_PREF_" | while read ENV
do
ENAME="$(echo "$ENV" | cut -d '=' -f1)"
EVAL="$(echo "$ENV" | cut -d '=' -f2-)"
if [ -z "$EVAL" ]; then
echo "Skipping environment variable '$ENAME': no value set."
continue
fi
if echo "$EVAL" | grep -q "="; then
PNAME="$(echo "$EVAL" | cut -d '=' -f1)"
PVAL="$(echo "$EVAL" | cut -d '=' -f2-)"
[ -n "$PVAL" ] || PVAL='""'
else
PNAME="$EVAL"
PVAL='""'
fi
if [ "$PVAL" = "UNSET" ]; then
echo "Removing preference '$PNAME'..."
sed -i "/user_pref(\"$PNAME\",.*);/d" "$PREF_FILE"
elif grep -q "user_pref(\"$PNAME\"," "$PREF_FILE"; then
echo "Setting preference '$PNAME'..."
sed -i "s/user_pref(\"$PNAME\",.*);/user_pref(\"$PNAME\", $PVAL);/" "$PREF_FILE"
else
echo "Setting new preference '$PNAME'..."
echo "user_pref(\"$PNAME\", $PVAL);" >> "$PREF_FILE"
fi
done