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Merge pull request #42562 from ambrop72/gdk-pixbuf-fix
Use a NixOS module for generating the gdk-pixbuf loaders cache.
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Original file line number | Diff line number | Diff line change |
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{ config, lib, pkgs, ... }: | ||
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with lib; | ||
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let | ||
cfg = config.services.xserver.gdk-pixbuf; | ||
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# Get packages to generate the cache for. We always include gdk_pixbuf. | ||
effectivePackages = unique ([pkgs.gdk_pixbuf] ++ cfg.modulePackages); | ||
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# Generate the cache file by running gdk-pixbuf-query-loaders for each | ||
# package and concatenating the results. | ||
loadersCache = pkgs.runCommand "gdk-pixbuf-loaders.cache" {} '' | ||
( | ||
for package in ${concatStringsSep " " effectivePackages}; do | ||
module_dir="$package/${pkgs.gdk_pixbuf.moduleDir}" | ||
if [[ ! -d $module_dir ]]; then | ||
echo "Warning (services.xserver.gdk-pixbuf): missing module directory $module_dir" 1>&2 | ||
continue | ||
fi | ||
GDK_PIXBUF_MODULEDIR="$module_dir" \ | ||
${pkgs.gdk_pixbuf.dev}/bin/gdk-pixbuf-query-loaders | ||
done | ||
) > "$out" | ||
''; | ||
in | ||
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{ | ||
options = { | ||
services.xserver.gdk-pixbuf.modulePackages = mkOption { | ||
type = types.listOf types.package; | ||
default = [ ]; | ||
description = "Packages providing GDK-Pixbuf modules, for cache generation."; | ||
}; | ||
}; | ||
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# If there is any package configured in modulePackages, we generate the | ||
# loaders.cache based on that and set the environment variable | ||
# GDK_PIXBUF_MODULE_FILE to point to it. | ||
config = mkIf (cfg.modulePackages != []) { | ||
environment.variables = { | ||
GDK_PIXBUF_MODULE_FILE = "${loadersCache}"; | ||
}; | ||
}; | ||
} |