[gnome-shell/gnome-42] ibusManager: Pass on envrionment variables to ibus-daemon

[Florian Müllner <fmuellner src gnome org>]

commit 677be464333c6d22a4446f67964369bdbc742e90
Author: oreo639 <oreo6391 gmail com>
Date:   Sun Jun 26 17:56:48 2022 -0700

    ibusManager: Pass on envrionment variables to ibus-daemon
    
    Previously only DISPLAY was being passed on to ibus, which results in issues
    with missing the WAYLAND_DISPLAY or the DBUS_SESSION_BUS_ADDRESS environemnt
    variables for example.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2345>
    (cherry picked from commit be524776108da5a2762ccea1a47c1bf49493feea)

 js/misc/ibusManager.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/js/misc/ibusManager.js b/js/misc/ibusManager.js
index c1e73d0083..420459b769 100644
--- a/js/misc/ibusManager.js
+++ b/js/misc/ibusManager.js
@@ -90,11 +90,25 @@ var IBusManager = class {
             this._spawn(Meta.is_wayland_compositor() ? [] : ['--xim']);
     }
 
+    _tryAppendEnv(env, varname) {
+        const value = GLib.getenv(varname);
+        if (value)
+            env.push(`${varname}=${value}`);
+    }
+
     _spawn(extraArgs = []) {
         try {
             let cmdLine = ['ibus-daemon', '--panel', 'disable', ...extraArgs];
             let env = [];
 
+            this._tryAppendEnv(env, 'DBUS_SESSION_BUS_ADDRESS');
+            this._tryAppendEnv(env, 'WAYLAND_DISPLAY');
+            this._tryAppendEnv(env, 'HOME');
+            this._tryAppendEnv(env, 'LANG');
+            this._tryAppendEnv(env, 'LC_CTYPE');
+            this._tryAppendEnv(env, 'COMPOSE_FILE');
+            this._tryAppendEnv(env, 'DISPLAY');
+
             GLib.spawn_async(
                 null, cmdLine, env,
                 GLib.SpawnFlags.SEARCH_PATH,