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programs/blender: fix Blender system resources directory

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Also improve the way how Blender resources are joined. It isn't the
most idiomiatic code but we can improve it.
This commit is contained in:
Gabriel Arazas 2023-09-25 15:29:56 +08:00
parent 3f459b8427
commit cd3cf148b9
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1 changed files with 21 additions and 10 deletions
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31
modules/nixos/programs/blender.nix
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@ -3,10 +3,23 @@
let
cfg = config.programs.blender;
addons = pkgs.symlinkJoin {
name = "blender-${lib.majorMinor cfg.package.version}-addons";
paths = builtins.map (p: "${p}/share/blender") cfg.addons;
};
addons = let
blenderVersion = lib.versions.majorMinor cfg.package.version;
in
pkgs.runCommand "blender-system-resources" {
passAsFile = [ "paths" ];
paths = cfg.addons ++ [ cfg.package ];
nativeBuildInputs = with pkgs; [ outils ];
} ''
mkdir -p $out
for i in $(cat $pathsPath); do
resourcesPath="$i/share/blender"
if [ -d $i/share/blender/${blenderVersion} ]; then
resourcesPath="$i/share/blender/${blenderVersion}";
fi
lndir -silent $resourcesPath $out
done
'';
in
{
options.programs.blender = {
@ -16,7 +29,7 @@ in
example = ''
pkgs.blender-with-packages {
name = "sample-studio-wrapped";
packages = with pkgs.pythonPackages; [ pandas ];
packages = with pkgs.python3Packages; [ pandas ];
}
'';
};
@ -25,7 +38,8 @@ in
type = with lib.types; listOf package;
description = lib.mdDoc ''
List of packages to be added to Blender system resources. The addon
packages are expected to be in {file}`$out/share/blender`.
packages are expected to have Blender resources in
{file}`$out/share/blender`.
'';
default = [ ];
defaultText = "[]";
@ -45,9 +59,6 @@ in
# on `/usr/share/blender/$MAJOR.$MINOR`, we'll have to modify it with an
# environment variable. This means in a NixOS system, it is only expected
# to have one instance of the system resources.
environment.sessionVariables.BLENDER_SYSTEM_RESOURCES = lib.mkIf (builtins.length cfg.addons > 0) "/etc/blender";
# It is acceptable to have this as a read-only directory, right?
environment.etc.blender.source = addons;
environment.sessionVariables.BLENDER_SYSTEM_RESOURCES = lib.mkIf (builtins.length cfg.addons > 0) addons;
};
}