fontconfig module: respect upstream definitions

Changed files
+37 -25
nixos
modules
config
pkgs
development
libraries
fontconfig
+37 -24
nixos/modules/config/fonts/fontconfig.nix
···
Fontconfig reads files in folder name / file name order, so the number prepended to the configuration file name decide the order of parsing.
Low number means high priority.
-
Default fonts should have a high priority (low number) to be at the head of the preferred fonts list, fontconfig advise the 30~40 range.
-
*/
{ config, lib, pkgs, ... }:
···
</fontconfig>
'';
-
# prefered default fonts configuration file
-
# priority 30
-
genericAliasConf =
+
# local configuration file
+
# priority 51
+
localConf = pkgs.writeText "fc-local.conf" cfg.localConf;
+
+
# default fonts configuration file
+
# priority 52
+
defaultFontsConf =
let genDefault = fonts: name:
optionalString (fonts != []) ''
<alias>
···
</alias>
'';
in
-
pkgs.writeText "fc-30-nixos-generic-alias.conf" ''
+
pkgs.writeText "fc-52-nixos-default-fonts.conf" ''
<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
···
</fontconfig>
'';
-
# user settings configuration file
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# priority 99
-
userConf = pkgs.writeText "fc-99-user.conf" ''
-
<?xml version="1.0"?>
-
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
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<fontconfig>
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<include ignore_missing="yes" prefix="xdg">fontconfig/conf.d</include>
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<include ignore_missing="yes" prefix="xdg">fontconfig/fonts.conf</include>
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</fontconfig>
-
'';
-
# fontconfig configuration package
confPkg = pkgs.runCommand "fontconfig-conf" {} ''
support_folder=$out/etc/fonts
···
ln -s ${latestPkg.out}/etc/fonts/conf.d/*.conf \
$latest_folder/conf.d/
+
# update latest 51-local.conf path to look at the latest local.conf
+
rm $latest_folder/conf.d/51-local.conf
+
+
substitute ${latestPkg.out}/etc/fonts/conf.d/51-local.conf \
+
$latest_folder/conf.d/51-local.conf \
+
--replace local.conf /etc/fonts/${latestVersion}/local.conf
+
# 00-nixos-cache.conf
ln -s ${cacheConfSupport} \
$support_folder/conf.d/00-nixos-cache.conf
···
ln -s ${renderConf} $support_folder/conf.d/10-nixos-rendering.conf
ln -s ${renderConf} $latest_folder/conf.d/10-nixos-rendering.conf
-
# 30-nixos-generic-alias.conf
-
ln -s ${genericAliasConf} $support_folder/conf.d/30-nixos-generic-alias.conf
-
ln -s ${genericAliasConf} $latest_folder/conf.d/30-nixos-generic-alias.conf
+
# 50-user.conf
+
${optionalString (! cfg.includeUserConf) ''
+
rm $support_folder/conf.d/50-user.conf
+
rm $latest_folder/conf.d/50-user.conf
+
''}
-
# 99-user.conf
-
${optionalString cfg.includeUserConf ''
-
ln -s ${userConf} $support_folder/conf.d/99-user.conf
-
ln -s ${userConf} $latest_folder/conf.d/99-user.conf
+
# local.conf (indirect priority 51)
+
${optionalString (cfg.localConf != "") ''
+
ln -s ${localConf} $support_folder/local.conf
+
ln -s ${localConf} $latest_folder/local.conf
''}
+
+
# 52-nixos-default-fonts.conf
+
ln -s ${defaultFontsConf} $support_folder/conf.d/52-nixos-default-fonts.conf
+
ln -s ${defaultFontsConf} $latest_folder/conf.d/52-nixos-default-fonts.conf
'';
# Package with configuration files
···
description = ''
Force DPI setting. Setting to <literal>0</literal> disables DPI
forcing; the DPI detected for the display will be used.
+
'';
+
};
+
+
localConf = mkOption {
+
type = types.lines;
+
default = "";
+
description = ''
+
System-wide customization file contents, has higher priority than
+
<literal>defaultFonts</literal> settings.
'';
};
-1
pkgs/development/libraries/fontconfig/default.nix
···
postInstall = ''
cd "$out/etc/fonts"
-
rm conf.d/{50-user,51-local}.conf
"${libxslt.bin}/bin/xsltproc" --stringparam fontDirectories "${fontbhttf}" \
--stringparam fontconfigConfigVersion "${configVersion}" \
--path $out/share/xml/fontconfig \