fontconfig with Noto fallback

.fonts.conf

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
	<alias>
		<family>monospace</family>
		<prefer>
			<family>Source Code Pro</family>
			<family>PowerlineSymbols</family>
		</prefer>
	</alias>
	<alias>
		<family>sans-serif</family>
		<prefer>
			<family>Source Sans Pro</family>
			<family>Noto Sans</family>
			<family>Noto Emoji</family>
			<family>Noto Sans Armenian</family>
			<family>Noto Sans Avestan</family>
			<family>Noto Sans Balinese</family>
			<family>Noto Sans Bamum</family>
			<family>Noto Sans Batak</family>
			<family>Noto Sans Bengali</family>
			<family>Noto Sans Brahmi</family>
			<family>Noto Sans Buginese</family>
			<family>Noto Sans Buhid</family>
			<family>Noto Sans Canadian Aboriginal</family>
			<family>Noto Sans Carian</family>
			<family>Noto Sans Cham</family>
			<family>Noto Sans Cherokee</family>
			<family>Noto Sans CJK JP</family>
			<family>Noto Sans CJK KR</family>
			<family>Noto Sans CJK SC</family>
			<family>Noto Sans CJK TC</family>
			<family>Noto Sans Coptic</family>
			<family>Noto Sans Cuneiform</family>
			<family>Noto Sans Cypriot</family>
			<family>Noto Sans Deseret</family>
			<family>Noto Sans Devanagari</family>
			<family>Noto Sans Egyptian Hieroglyphs</family>
			<family>Noto Sans Ethiopic</family>
			<family>Noto Sans Georgian</family>
			<family>Noto Sans Glagolitic</family>
			<family>Noto Sans Gothic</family>
			<family>Noto Sans Gujarati</family>
			<family>Noto Sans Gurmukhi</family>
			<family>Noto Sans Hanunoo</family>
			<family>Noto Sans Hebrew</family>
			<family>Noto Sans Imperial Aramaic</family>
			<family>Noto Sans Inscriptional Pahlavi</family>
			<family>Noto Sans Inscriptional Parthian</family>
			<family>Noto Sans Javanese</family>
			<family>Noto Sans Kaithi</family>
			<family>Noto Sans Kannada</family>
			<family>Noto Sans Kayah Li</family>
			<family>Noto Sans Kharoshthi</family>
			<family>Noto Sans Khmer</family>
			<family>Noto Sans Lao</family>
			<family>Noto Sans Lepcha</family>
			<family>Noto Sans Limbu</family>
			<family>Noto Sans Linear B</family>
			<family>Noto Sans Lisu</family>
			<family>Noto Sans Lycian</family>
			<family>Noto Sans Lydian</family>
			<family>Noto Sans Malayalam</family>
			<family>Noto Sans Mandaic</family>
			<family>Noto Sans Meetei Mayek</family>
			<family>Noto Sans Mongolian</family>
			<family>Noto Sans Mono CJK JP</family>
			<family>Noto Sans Mono CJK KR</family>
			<family>Noto Sans Mono CJK SC</family>
			<family>Noto Sans Mono CJK TC</family>
			<family>Noto Sans Myanmar</family>
			<family>Noto Sans New Tai Lue</family>
			<family>Noto Sans NKo</family>
			<family>Noto Sans Ogham</family>
			<family>Noto Sans Ol Chiki</family>
			<family>Noto Sans Old Italic</family>
			<family>Noto Sans Old Persian</family>
			<family>Noto Sans Old South Arabian</family>
			<family>Noto Sans Old Turkic</family>
			<family>Noto Sans Oriya</family>
			<family>Noto Sans Osmanya</family>
			<family>Noto Sans Phags Pa</family>
			<family>Noto Sans Phoenician</family>
			<family>Noto Sans Rejang</family>
			<family>Noto Sans Runic</family>
			<family>Noto Sans Samaritan</family>
			<family>Noto Sans Saurashtra</family>
			<family>Noto Sans Shavian</family>
			<family>Noto Sans Sinhala</family>
			<family>Noto Sans Sundanese</family>
			<family>Noto Sans Syloti Nagri</family>
			<family>Noto Sans Symbols</family>
			<family>Noto Sans Syriac Eastern</family>
			<family>Noto Sans Syriac Estrangela</family>
			<family>Noto Sans Syriac Western</family>
			<family>Noto Sans Tagalog</family>
			<family>Noto Sans Tagbanwa</family>
			<family>Noto Sans Tai Le</family>
			<family>Noto Sans Tai Tham</family>
			<family>Noto Sans Tai Viet</family>
			<family>Noto Sans Tamil</family>
			<family>Noto Sans Telugu</family>
			<family>Noto Sans Thaana</family>
			<family>Noto Sans Thai</family>
			<family>Noto Sans Tibetan</family>
			<family>Noto Sans Tifinagh</family>
			<family>Noto Sans Ugaritic</family>
			<family>Noto Sans Vai</family>
			<family>Noto Sans Yi</family>
			<family>Noto Kufi Arabic</family>
			<family>Noto Naskh Arabic</family>
			<family>Noto Nastaliq Urdu</family>
		</prefer>
	</alias>
	<!-- Alias Helvetica and Arial to the much better looking Roboto instead of Liberation Sans -->
	<match>
		<test name="family">
			<string>Helvetica</string>
		</test>
		<edit name="family" binding="same" mode="assign">
			<string>Roboto</string>
		</edit>
	</match>
	<match>
		<test name="family">
			<string>Arial</string>
		</test>
		<edit name="family" binding="same" mode="assign">
			<string>Roboto</string>
		</edit>
	</match>
	<dir>~/.fonts</dir>
</fontconfig>