colin/nix-files
1
0
Fork 1
Code Issues Pull Requests Projects Releases Wiki Activity

mime: store mime associations in ~/.local/share/applications instead of /run/current-system/sw/share/applications to facilitate sandboxing

Browse Source
This commit is contained in:
Colin 2024-02-11 23:31:43 +00:00
parent 772f1070e7
commit 0fbc10fce3
1 changed files with 50 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
hosts/common/home/mime.nix
View File

@ -1,4 +1,5 @@
{ config, lib, ...}:
# TODO: move into modules/users.nix
{ config, lib, pkgs, ...}:
let
# [ ProgramConfig ]
@ -6,6 +7,9 @@ let
(p: p.enabled)
(builtins.attrValues config.sane.programs);
# [ ProgramConfig ]
enabledProgramsWithPackage = builtins.filter (p: p.package != null) enabledPrograms;
# [ { "<mime-type>" = { prority, desktop } ]
enabledWeightedMimes = builtins.map weightedMimes enabledPrograms;
@ -24,9 +28,43 @@ let
(l: r: assert l.priority != r.priority; l.priority < r.priority)
associations;
sortMimes = mimes: builtins.mapAttrs (_k: sortOneMimeType) mimes;
# { "<mime-type>"} = [ { priority, desktop } ... ]; } -> { "<mime-type>" = [ "<desktop>" ... ]; }
removePriorities = mimes: builtins.mapAttrs
(_k: associations: builtins.map (a: a.desktop) associations)
mimes;
# { "<mime-type>" = [ "<desktop>" ... ]; } -> { "<mime-type>" = "<desktop1>;<desktop2>;..."; }
formatDesktopLists = mimes: builtins.mapAttrs
(_k: desktops: lib.concatStringsSep ";" desktops)
mimes;
mimeappsListPkg = pkgs.writeTextDir "share/applications/mimeapps.list" (
lib.generators.toINI { } {
"Default Applications" = formatDesktopLists (removePriorities (sortMimes (mergeMimes enabledWeightedMimes)));
}
);
localShareApplicationsPkg = (pkgs.symlinkJoin {
name = "user-local-share-applications";
paths = builtins.map
(p: "${p.package}")
(enabledProgramsWithPackage ++ [ { package=mimeappsListPkg; } ]);
}).overrideAttrs (orig: {
# like normal symlinkJoin, but don't error if the path doesn't exist
buildCommand = ''
mkdir -p $out/share/applications
for i in $(cat $pathsPath); do
if [ -e "$i/share/applications" ]; then
${pkgs.xorg.lndir}/bin/lndir -silent $i/share/applications $out/share/applications
fi
done
runHook postBuild
'';
postBuild = ''
# rebuild `mimeinfo.cache`, used by file openers to show the list of *all* apps, not just the user's defaults.
${pkgs.buildPackages.desktop-file-utils}/bin/update-desktop-database $out/share/applications
'';
});
in
{
# the xdg mime type for a file can be found with:
@ -35,8 +73,17 @@ in
# - `xdg-mime query default <mimetype>` (e.g. x-scheme-handler/http)
# the nix-configured handler can be found `nix-repl > :lf . > hostConfigs.desko.xdg.mime.defaultApplications`
#
# glib/gio is queried via glib.bin output:
# - `gio mime x-scheme-handler/https`
# - `gio open <path_or_url>`
#
# we can have single associations or a list of associations.
# there's also options to *remove* [non-default] associations from specific apps
xdg.mime.enable = true;
xdg.mime.defaultApplications = removePriorities (sortMimes (mergeMimes enabledWeightedMimes));
# N.B.: don't use nixos' `xdg.mime` option becaue that caues `/share/applications` to be linked into the whole system,
# which limits what i can do around sandboxing. getting the default associations to live in ~/ makes it easier to expose
# the associations to apps selectively.
# xdg.mime.enable = true;
# xdg.mime.defaultApplications = removePriorities (sortMimes (mergeMimes enabledWeightedMimes));
sane.user.fs.".local/share/applications".symlink.target = "${localShareApplicationsPkg}/share/applications";
}