Bug 1893315: Restrict selectable profiles backend to local builds. r=mossop,glandium

Differential Revision: https://phabricator.services.mozilla.com/D208943

toolkit/modules/AppConstants.sys.mjs

@@ -474,6 +474,13 @@ export var AppConstants = Object.freeze({
     false,
 #endif
 
+  MOZ_SELECTABLE_PROFILES:
+#ifdef MOZ_SELECTABLE_PROFILES
+    true,
+#else
+    false,
+#endif
+
   // Returns true for CN region build when distibution id set as 'MozillaOnline'
   isChinaRepack() {
     return (

toolkit/moz.configure

@@ -975,6 +975,19 @@ project_flag(
     set_as_define=True,
 )
 
+# Profile Management
+# ==============================================================
+# Selectable profiles are temporarily gated behind a build flag
+# while we build and stabilize the backend (bug 1893315).
+
+option(
+    env="MOZ_SELECTABLE_PROFILES",
+    help="Enable experimental and unstable profile groups",
+)
+
+
+set_define("MOZ_SELECTABLE_PROFILES", True, when="MOZ_SELECTABLE_PROFILES")
+
 project_flag(
     "MOZ_DEDICATED_PROFILES",
     help="Enable dedicated profiles per install",