Merge pull request #85892 from symphorien/ibus-db

ibus: fix dconf db installation

nixos/modules/i18n/input-method/ibus.nix

@@ -64,7 +64,7 @@ in
     # Without dconf enabled it is impossible to use IBus
     programs.dconf.enable = true;
 
-    programs.dconf.profiles.ibus = "${ibusPackage}/etc/dconf/profile/ibus";
+    programs.dconf.packages = [ ibusPackage ];
 
     services.dbus.packages = [
       ibusAutostart

nixos/modules/programs/dconf.nix

@@ -4,13 +4,24 @@ with lib;
 
 let
   cfg = config.programs.dconf;
-
-  mkDconfProfile = name: path:
-    {
-      name = "dconf/profile/${name}";
-      value.source = path; 
+  cfgDir = pkgs.symlinkJoin {
+    name = "dconf-system-config";
+    paths = map (x: "${x}/etc/dconf") cfg.packages;
+    postBuild = ''
+      mkdir -p $out/profile
+      mkdir -p $out/db
+    '' + (
+      concatStringsSep "\n" (
+        mapAttrsToList (
+          name: path: ''
+            ln -s ${path} $out/profile/${name}
+          ''
+        ) cfg.profiles
+      )
+    ) + ''
+      ${pkgs.dconf}/bin/dconf update $out/db
+    '';
   };
-
 in
 {
   ###### interface
@@ -22,18 +33,22 @@ in
       profiles = mkOption {
         type = types.attrsOf types.path;
         default = {};
-        description = "Set of dconf profile files.";
+        description = "Set of dconf profile files, installed at <filename>/etc/dconf/profiles/<replaceable>name</replaceable></filename>.";
         internal = true;
       };
 
+      packages = mkOption {
+        type = types.listOf types.package;
+        default = [];
+        description = "A list of packages which provide dconf profiles and databases in <filename>/etc/dconf</filename>.";
+      };
     };
   };
 
   ###### implementation
 
   config = mkIf (cfg.profiles != {} || cfg.enable) {
-    environment.etc = optionalAttrs (cfg.profiles != {})
-      (mapAttrs' mkDconfProfile cfg.profiles);
+    environment.etc.dconf.source = mkIf (cfg.profiles != {} || cfg.packages != []) cfgDir;
 
     services.dbus.packages = [ pkgs.dconf ];
 

nixos/tests/installed-tests/ibus.nix

@@ -5,16 +5,12 @@ makeInstalledTest {
 
   testConfig = {
     i18n.inputMethod.enabled = "ibus";
+    systemd.user.services.ibus-daemon = {
+      serviceConfig.ExecStart = "${pkgs.ibus}/bin/ibus-daemon --xim --verbose";
+      wantedBy = [ "graphical-session.target" ];
+      partOf = [ "graphical-session.target" ];
+    };
   };
 
-  preTestScript = ''
-    # ibus has ibus-desktop-testing-runner but it tries to manage desktop session so we just spawn ibus-daemon ourselves
-    machine.succeed("ibus-daemon --daemonize --verbose")
-  '';
-
   withX11 = true;
-
-  # TODO: ibus-daemon is currently crashing or something
-  # maybe make ibus systemd service that auto-restarts?
-  meta.broken = true;
 }

pkgs/tools/inputmethods/ibus/default.nix

@@ -16,6 +16,7 @@
 , gtk2
 , gtk3
 , gtk-doc
+, runCommand
 , isocodes
 , cldr-emoji-annotation
 , unicode-character-database
@@ -47,6 +48,14 @@ let
       makeWrapper ${glib.dev}/bin/glib-mkenums $out/bin/glib-mkenums --unset PYTHONPATH
     '';
   };
+  # make-dconf-override-db.sh needs to execute dbus-launch in the sandbox,
+  # it will fail to read /etc/dbus-1/session.conf unless we add this flag
+  dbus-launch = runCommand "sandbox-dbus-launch" {
+    nativeBuildInputs = [ makeWrapper ];
+  } ''
+      makeWrapper ${dbus}/bin/dbus-launch $out/bin/dbus-launch \
+        --add-flags --config-file=${dbus.daemon}/share/dbus-1/session.conf
+  '';
 in
 
 stdenv.mkDerivation rec {
@@ -71,7 +80,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "dev" "installedTests" ];
 
   postPatch = ''
-    echo \#!${runtimeShell} > data/dconf/make-dconf-override-db.sh
+    patchShebangs --build data/dconf/make-dconf-override-db.sh
     cp ${buildPackages.gtk-doc}/share/gtk-doc/data/gtk-doc.make .
   '';
 
@@ -105,6 +114,7 @@ stdenv.mkDerivation rec {
     python3BuildEnv
     vala
     wrapGAppsHook
+    dbus-launch
   ];
 
   propagatedBuildInputs = [