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29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
76 lines
1.7 KiB
Nix
76 lines
1.7 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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fontDirs = config.fonts.fonts;
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localDefs = with pkgs.builderDefs; pkgs.builderDefs.passthru.function rec {
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src = "";/* put a fetchurl here */
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buildInputs = [pkgs.xorg.mkfontdir pkgs.xorg.mkfontscale];
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inherit fontDirs;
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installPhase = fullDepEntry ("
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list='';
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for i in ${toString fontDirs} ; do
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if [ -d \$i/ ]; then
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list=\"\$list \$i\";
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fi;
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done
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list=\$(find \$list -name fonts.dir -o -name '*.ttf' -o -name '*.otf');
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fontDirs='';
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for i in \$list ; do
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fontDirs=\"\$fontDirs \$(dirname \$i)\";
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done;
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mkdir -p \$out/share/X11-fonts/;
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find \$fontDirs -type f -o -type l | while read i; do
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j=\"\${i##*/}\"
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if ! test -e \"\$out/share/X11-fonts/\${j}\"; then
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ln -s \"\$i\" \"\$out/share/X11-fonts/\${j}\";
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fi;
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done;
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cd \$out/share/X11-fonts/
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rm fonts.dir
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rm fonts.scale
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rm fonts.alias
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mkfontdir
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mkfontscale
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cat \$( find ${pkgs.xorg.fontalias}/ -name fonts.alias) >fonts.alias
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") ["minInit" "addInputs"];
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};
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x11Fonts = with localDefs; stdenv.mkDerivation rec {
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name = "X11-fonts";
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builder = writeScript (name + "-builder")
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(textClosure localDefs
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[installPhase doForceShare doPropagate]);
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};
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in
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{
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options = {
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fonts = {
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enableFontDir = mkOption {
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default = false;
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description = ''
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Whether to create a directory with links to all fonts in
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<filename>/run/current-system/sw/share/X11-fonts</filename>.
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'';
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};
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};
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};
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config = mkIf config.fonts.enableFontDir {
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environment.systemPackages = [ x11Fonts ];
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};
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}
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