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fonts: rewrite activation
The new implementation is a bit smarter and only updates fonts that changed. But more importantly /run/current-system isn't used anymore which breaks initial activation and installs the previous set of fonts instead of the one in the new system. Fixes #115
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@ -1,57 +1,72 @@
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{ config, lib, pkgs, ... }:
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with lib;
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with builtins;
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let
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cfg = config.fonts;
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readDirsRec = path: let
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home = readDir path;
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list = mapAttrsToList (name: type:
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let newPath = "${path}/${name}";
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in if (type == "directory" || type == "symlink") && !(isFont name) then readDirsRec newPath else [ newPath ]) home;
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in flatten list;
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isFont = name: let
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fontExt = [ ".ttf" ".otf" ];
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hasExt = exts: name: foldl' (acc: ext: (hasSuffix ext name) || acc) false exts;
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in hasExt fontExt name;
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fontFiles = dir: filter isFont (readDirsRec dir);
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libraryLink = font: "ln -fn '/run/current-system/sw/share/fonts/${baseNameOf font}' '/Library/Fonts/${baseNameOf font}'";
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outLink = font: "ln -sfn -t $out/share/fonts/ '${font}'";
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fontLinks = link: dir: concatMapStringsSep "\n" link (fontFiles dir);
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systemFontsDir = pkgs.runCommand "systemFontsDir" {} ''
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mkdir -p "$out/share/fonts"
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echo ${toString config.fonts.fonts}
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${concatMapStringsSep "\n" (fontLinks outLink) config.fonts.fonts}
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'';
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in {
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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 enable font directory management and link all fonts in <filename>/run/current-system/sw/share/fonts</filename>.
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Important: removes all manually-added fonts.
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'';
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};
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fonts = mkOption {
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type = types.listOf types.path;
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default = [];
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example = literalExample "[ pkgs.dejavu_fonts ]";
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description = "List of primary font paths.";
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};
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fonts.enableFontDir = mkOption {
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default = false;
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description = ''
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Whether to enable font management and install configured fonts to
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<filename>/Library/Fonts</filename>.
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NOTE: removes any manually-added fonts.
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'';
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};
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fonts.fonts = mkOption {
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type = types.listOf types.path;
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default = [];
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example = literalExample "[ pkgs.dejavu_fonts ]";
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description = "List of fonts to install.";
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};
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};
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config = {
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system.activationScripts.fonts.text = "" + optionalString cfg.enableFontDir ''
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system.build.fonts = pkgs.runCommandNoCC "fonts"
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{ paths = cfg.fonts; preferLocalBuild = true; }
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''
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mkdir -p $out/Library/Fonts
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for path in $paths; do
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find -L $path/share/fonts -type f -print0 | while IFS= read -rd "" f; do
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ln -s "$f" $out/Library/Fonts
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done
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done
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'';
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system.activationScripts.fonts.text = optionalString cfg.enableFontDir ''
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# Set up fonts.
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echo "resetting fonts..." >&2
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fontrestore default -n 2>&1 | grep -o '/Library/Fonts/.*' | tr '\n' '\0' | xargs -0 rm || true
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echo "updating fonts..." >&2
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${fontLinks libraryLink systemFontsDir}
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echo "configuring fonts..." >&2
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find -L "$systemConfig/Library/Fonts" -type f -print0 | while IFS= read -rd "" l; do
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font=''${l##*/}
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f=$(readlink -f "$l")
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if [ ! -e "/Library/Fonts/$font" ] || [ $(stat -c '%i' "$f") != $(stat -c '%i' "/Library/Fonts/$font") ]; then
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echo "updating font $font..." >&2
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# FIXME: hardlink, won't work if nix is on a dedicated filesystem.
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ln -fn "$f" /Library/Fonts
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fi
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done
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fontrestore default -n 2>&1 | while read -r f; do
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case $f in
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/Library/Fonts/*)
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font=''${f##*/}
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if [ ! -e "$systemConfig/Library/Fonts/$font" ]; then
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echo "removing font $font..." >&2
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rm "/Library/Fonts/$font"
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fi
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;;
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/*)
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# ignoring unexpected fonts
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;;
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esac
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done
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'';
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environment.systemPackages = [ systemFontsDir ];
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environment.pathsToLink = [ "/share/fonts" ];
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};
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}
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@ -91,6 +91,7 @@ in
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mkdir -p $out/Library
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ln -s ${cfg.build.applications}/Applications $out/Applications
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ln -s ${cfg.build.fonts}/Library/Fonts $out/Library/Fonts
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ln -s ${cfg.build.launchd}/Library/LaunchAgents $out/Library/LaunchAgents
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ln -s ${cfg.build.launchd}/Library/LaunchDaemons $out/Library/LaunchDaemons
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@ -12,9 +12,13 @@ in
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fonts.fonts = [ font ];
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test = ''
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echo checking installed fonts >&2
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grep -o "fontrestore default -n" ${config.out}/activate
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grep -o "ln -fn '/run/current-system/sw/share/fonts/Font.ttf' '/Library/Fonts/Font.ttf'" ${config.out}/activate
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echo "checking fonts in /Library/Fonts" >&2
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test -e ${config.out}/Library/Fonts/Font.ttf
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echo "checking activation of fonts in /activate" >&2
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grep "fontrestore default -n 2>&1" ${config.out}/activate
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grep 'ln -fn ".*" /Library/Fonts' ${config.out}/activate
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grep 'rm "/Library/Fonts/.*"' ${config.out}/activate
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'';
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}
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