From: =?utf-8?b?Ik1hcmNvIFRyZXZpc2FuIChUcmV2acOxbyki?= <mail@3v1n0.net>
Date: Thu, 2 Aug 2018 16:05:13 +0200
Subject: sessionMode: add support for `debugFlags` parameter

A session can now define `debugFlags` from a json file, still leaving priority
to the environment variable.

https://bugzilla.gnome.org/show_bug.cgi?id=789377

Bug-GNOME: https://bugzilla.gnome.org/show_bug.cgi?id=789377
Forwarded: https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/6
---
 js/ui/main.js        | 7 +++++++
 js/ui/sessionMode.js | 1 +
 2 files changed, 8 insertions(+)

diff --git a/js/ui/main.js b/js/ui/main.js
index 6240b12..b3fff22 100644
--- a/js/ui/main.js
+++ b/js/ui/main.js
@@ -136,6 +136,13 @@ function _sessionUpdated() {
             _remoteAccessInhibited = true;
         }
     }
+
+    if (!GLib.getenv('SHELL_DEBUG')) {
+        if (typeof sessionMode.debugFlags === 'string')
+            global.set_debug_flags(sessionMode.debugFlags);
+        else if (Array.isArray(sessionMode.debugFlags))
+            global.set_debug_flags(sessionMode.debugFlags.join(':'))
+    }
 }
 
 /** @returns {void} */
diff --git a/js/ui/sessionMode.js b/js/ui/sessionMode.js
index e27f4fa..45320ea 100644
--- a/js/ui/sessionMode.js
+++ b/js/ui/sessionMode.js
@@ -32,6 +32,7 @@ const _modes = {
         showWelcomeDialog: false,
         allowSettings: false,
         allowScreencast: false,
+        debugFlags: [],
         enabledExtensions: [],
         hasRunDialog: false,
         hasWorkspaces: false,