nixpkgs/nixos/modules/config/xdg/mime.nix
2024-08-29 23:48:09 +02:00

99 lines
3.3 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.xdg.mime;
associationOptions = with lib.types; attrsOf (
coercedTo (either (listOf str) str) (x: lib.concatStringsSep ";" (lib.toList x)) str
);
in
{
meta = {
maintainers = lib.teams.freedesktop.members ++ (with lib.maintainers; [ figsoda ]);
};
options = {
xdg.mime.enable = lib.mkOption {
type = lib.types.bool;
default = true;
description = ''
Whether to install files to support the
[XDG Shared MIME-info specification](https://specifications.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html) and the
[XDG MIME Applications specification](https://specifications.freedesktop.org/mime-apps-spec/mime-apps-spec-latest.html).
'';
};
xdg.mime.addedAssociations = lib.mkOption {
type = associationOptions;
default = {};
example = {
"application/pdf" = "firefox.desktop";
"text/xml" = [ "nvim.desktop" "codium.desktop" ];
};
description = ''
Adds associations between mimetypes and applications. See the
[
specifications](https://specifications.freedesktop.org/mime-apps-spec/mime-apps-spec-latest.html#associations) for more information.
'';
};
xdg.mime.defaultApplications = lib.mkOption {
type = associationOptions;
default = {};
example = {
"application/pdf" = "firefox.desktop";
"image/png" = [ "sxiv.desktop" "gimp.desktop" ];
};
description = ''
Sets the default applications for given mimetypes. See the
[
specifications](https://specifications.freedesktop.org/mime-apps-spec/mime-apps-spec-latest.html#default) for more information.
'';
};
xdg.mime.removedAssociations = lib.mkOption {
type = associationOptions;
default = {};
example = {
"audio/mp3" = [ "mpv.desktop" "umpv.desktop" ];
"inode/directory" = "codium.desktop";
};
description = ''
Removes associations between mimetypes and applications. See the
[
specifications](https://specifications.freedesktop.org/mime-apps-spec/mime-apps-spec-latest.html#associations) for more information.
'';
};
};
config = lib.mkIf cfg.enable {
environment.etc."xdg/mimeapps.list" = lib.mkIf (
cfg.addedAssociations != {}
|| cfg.defaultApplications != {}
|| cfg.removedAssociations != {}
) {
text = lib.generators.toINI { } {
"Added Associations" = cfg.addedAssociations;
"Default Applications" = cfg.defaultApplications;
"Removed Associations" = cfg.removedAssociations;
};
};
environment.pathsToLink = [ "/share/mime" ];
environment.systemPackages = [
# this package also installs some useful data, as well as its utilities
pkgs.shared-mime-info
];
environment.extraSetup = ''
if [ -w $out/share/mime ] && [ -d $out/share/mime/packages ]; then
XDG_DATA_DIRS=$out/share PKGSYSTEM_ENABLE_FSYNC=0 ${pkgs.buildPackages.shared-mime-info}/bin/update-mime-database -V $out/share/mime > /dev/null
fi
if [ -w $out/share/applications ]; then
${pkgs.buildPackages.desktop-file-utils}/bin/update-desktop-database $out/share/applications
fi
'';
};
}