Updated firefox installer

Author: Myron

browser/firefox.make

@@ -1,7 +1,12 @@
 $(FIREFOX):
-	sudo apt install -y firefox
+	sudo install -d -m 0755 /etc/apt/keyrings
+	wget -q https://packages.mozilla.org/apt/repo-signing-key.gpg -O- | sudo tee /etc/apt/keyrings/packages.mozilla.org.asc > /dev/null
+	gpg -n -q --import --import-options import-show /etc/apt/keyrings/packages.mozilla.org.asc | awk '/pub/{getline; gsub(/^ +| +$$/,""); if($$0 == "35BAA0B33E9EB396F59CA838C0BA5CE6DC6315A3") print "\nThe key fingerprint matches ("$$0").\n"; else print "\nVerification failed: the fingerprint ("$$0") does not match the expected one.\n"}'
+	echo "deb [signed-by=/etc/apt/keyrings/packages.mozilla.org.asc] https://packages.mozilla.org/apt mozilla main" | sudo tee /etc/apt/sources.list.d/mozilla.list > /dev/null
+	echo "Package: *\nPin: origin packages.mozilla.org\nPin-Priority: 1000" | sudo tee /etc/apt/preferences.d/mozilla
+	sudo apt-get update && sudo apt-get install -y firefox
 
 firefox: | $(FIREFOX)
 
-browsers:: | firefox
-optional:: | firefox
+browsers:: firefox
+optional:: firefox