core/pkgs/by-name/fo/fontconfig/make-fonts-conf.nix

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{ runCommand, stdenv, lib, libxslt, fontconfig, dejavu_fonts }:
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let fontconfig_ = fontconfig;
in { fontconfig ? fontconfig_
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# an array of fonts, e.g. `[ pkgs.dejavu_fonts.minimal ]`
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, fontDirectories, impureFontDirectories ? [
# nix user profile
"~/.nix-profile/lib/X11/fonts"
"~/.nix-profile/share/fonts"
] ++ lib.optional stdenv.isDarwin "~/Library/Fonts" ++ [
# FHS paths for non-NixOS platforms
"/usr/share/fonts"
"/usr/local/share/fonts"
]
# darwin paths
++ lib.optionals stdenv.isDarwin [
"/Library/Fonts"
"/System/Library/Fonts"
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]
# nix default profile
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++ [
"/nix/var/nix/profiles/default/lib/X11/fonts"
"/nix/var/nix/profiles/default/share/fonts"
] }:
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runCommand "fonts.conf" {
nativeBuildInputs = [ libxslt ];
buildInputs = [ fontconfig ];
inherit fontDirectories;
# Add a default font for non-nixos systems, <1MB and in nixos defaults.
impureFontDirectories = impureFontDirectories ++ [ dejavu_fonts.minimal ];
} ''
xsltproc --stringparam fontDirectories "$fontDirectories" \
--stringparam impureFontDirectories "$impureFontDirectories" \
--path ${fontconfig.out}/share/xml/fontconfig \
${./make-fonts-conf.xsl} ${fontconfig.out}/etc/fonts/fonts.conf \
> $out
''