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|
{ config, pkgs, ... }:
with pkgs.lib;
###### interface
let
options = {
fonts = {
enableFontConfig = mkOption { # !!! should be enableFontconfig
default = true;
description = "
If enabled, a Fontconfig configuration file will be built
pointing to a set of default fonts. If you don't care about
running X11 applications or any other program that uses
Fontconfig, you can turn this option off and prevent a
dependency on all those fonts.
";
};
# Should be moved elsewhere.
enableGhostscriptFonts = mkOption {
default = false;
description = "
Whether to add the fonts provided by Ghostscript (such as
various URW fonts and the ``Base-14'' Postscript fonts) to the
list of system fonts, making them available to X11
applications.
";
};
enableFontDir = mkOption {
default = false;
description = "
Whether to create a directory with links to all fonts in share -
so user can configure vncserver script one time (I mean per-user
vncserver, so global service is not a good solution).
";
};
# TODO: find another name for it.
fonts = mkOption {
default = [
# - the user's .fonts directory
"~/.fonts"
# - the user's current profile
"~/.nix-profile/lib/X11/fonts"
"~/.nix-profile/share/fonts"
# - the default profile
"/nix/var/nix/profiles/default/lib/X11/fonts"
"/nix/var/nix/profiles/default/share/fonts"
];
description = "
List of primary font paths.
";
apply = list: list ++ [
# - a few statically built locations
pkgs.xorg.fontbhttf
pkgs.xorg.fontbhlucidatypewriter100dpi
pkgs.xorg.fontbhlucidatypewriter75dpi
pkgs.ttf_bitstream_vera
pkgs.freefont_ttf
pkgs.liberation_ttf
pkgs.xorg.fontbh100dpi
pkgs.xorg.fontmiscmisc
pkgs.xorg.fontcursormisc
]
++ optional config.fonts.enableCoreFonts pkgs.corefonts
++ optional config.fonts.enableGhostscriptFonts "${pkgs.ghostscript}/share/ghostscript/fonts"
++ config.fonts.extraFonts;
};
extraFonts = mkOption {
default = [];
example = [ pkgs.dejavu_fonts ];
description = ''
List of packages with additional fonts.
'';
};
enableCoreFonts = mkOption {
default = false;
description = ''
Whether to include Microsoft's proprietary Core Fonts. These fonts
are redistributable, but only verbatim, among other restrictions.
See <link xlink:href="http://corefonts.sourceforge.net/eula.htm"/>
for details.
'';
};
};
};
in
###### implementation
let
inherit (pkgs) builderDefs;
inherit (pkgs.xorg) mkfontdir mkfontscale fontalias;
fontDirs = config.fonts.fonts;
localDefs = with builderDefs; builderDefs.passthru.function rec {
src = "";/* put a fetchurl here */
buildInputs = [mkfontdir mkfontscale];
configureFlags = [];
inherit fontDirs;
installPhase = fullDepEntry ("
list='';
for i in ${toString fontDirs} ; do
if [ -d \$i/ ]; then
list=\"\$list \$i\";
fi;
done
list=\$(find \$list -name fonts.dir -o -name '*.ttf' -o -name '*.otf');
fontDirs='';
for i in \$list ; do
fontDirs=\"\$fontDirs \$(dirname \$i)\";
done;
mkdir -p \$out/share/X11-fonts/;
find \$fontDirs -type f -o -type l | while read i; do
j=\"\${i##*/}\"
if ! test -e \"\$out/share/X11-fonts/\${j}\"; then
ln -s \"\$i\" \"\$out/share/X11-fonts/\${j}\";
fi;
done;
cd \$out/share/X11-fonts/
rm fonts.dir
rm fonts.scale
rm fonts.alias
mkfontdir
mkfontscale
cat \$( find ${fontalias}/ -name fonts.alias) >fonts.alias
") ["minInit" "addInputs"];
};
x11Fonts = with localDefs; stdenv.mkDerivation rec {
name = "X11-fonts";
builder = writeScript (name + "-builder")
(textClosure localDefs
[installPhase doForceShare doPropagate]);
meta = {
description = "
Directory to contain all X11 fonts requested.
";
};
};
in
{
require = [options];
system.build.x11Fonts = x11Fonts;
environment.etc = mkIf config.fonts.enableFontConfig
[ { # Configuration file for fontconfig used to locate
# (X11) client-rendered fonts.
source = pkgs.makeFontsConf {
fontDirectories = config.fonts.fonts;
};
target = "fonts/fonts.conf";
}
];
environment.shellInit =
''
export FONTCONFIG_FILE=/etc/fonts/fonts.conf
'';
environment.systemPackages =
optional config.fonts.enableFontDir config.system.build.x11Fonts ++
optional config.fonts.enableFontConfig pkgs.fontconfig;
}
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