pkgs/by-name/hi/hicolor-icon-theme/setup-hook.sh

   1 # shellcheck shell=bash
   2
   3 # Populate XDG_ICON_DIRS
   4 hicolorIconThemeHook() {
   5
   6     # where to find icon themes
   7     if [ -d "$1/share/icons" ]; then
   8       addToSearchPath XDG_ICON_DIRS "$1/share"
   9     fi
  10 }
  11
  12 # I think this is meant to be a runtime dep
  13 addEnvHooks "${targetOffset:?}" hicolorIconThemeHook
  14
  15 # Make symbolic links of parent icon themes that are inherited in the
  16 # icon themes installed by the package.
  17 symlinkParentIconThemes() {
  18     if [ -e $out/share/icons ]; then
  19         echo Symlinking parent icon themes...
  20         local theme
  21         local theme_name
  22         local inheritance
  23         local parent
  24         local parent_theme
  25         local dir
  26         local parent_path
  27         for theme in $out/share/icons/*/index.theme; do
  28             theme_name="${theme%/*}"
  29             theme_name="${theme_name##*/}"
  30             echo "  theme: $theme_name"
  31             inheritance=$(sed -rne 's,^Inherits=(.*)$,\1,p' "$theme")
  32             IFS=',' read -ra parent_themes <<< "$inheritance"
  33             for parent_theme in "${parent_themes[@]}"; do
  34                 parent_path=""
  35                 if [ -e "$out/share/icons/$parent_theme" ]; then
  36                     parent_path="$(realpath "$out/share/icons/$parent_theme")"
  37                 else
  38                     IFS=':' read -ra dirs <<< $XDG_ICON_DIRS
  39                     for parent_dir in  "${dirs[@]}"; do
  40                         if [ -e "$parent_dir/icons/$parent_theme/index.theme" ]; then
  41                             parent_path="$(realpath "$parent_dir/icons/$parent_theme")"
  42                             ln -s "$parent_path" "$out/share/icons/"
  43                             break
  44                         fi
  45                     done
  46                 fi
  47                 echo "    parent: $parent_theme -> $parent_path"
  48             done
  49         done
  50     fi
  51 }
  52
  53 preFixupHooks+=(symlinkParentIconThemes)