sys-auth/polkit: Sync with Gentoo

It's from Gentoo commit 6437927ea64c1b804a9f129a07c8b9efd37efcdf.

Signed-off-by: Flatcar Buildbot <buildbot@flatcar-linux.org>

sdk_container/src/third_party/portage-stable/sys-auth/polkit/files/polkit-126-dbusmock.patch

@@ -0,0 +1,99 @@
+https://github.com/polkit-org/polkit/commit/690e6972ffe30473dacbfaa81158f5507cef99f6
+https://github.com/polkit-org/polkit/commit/247952425829e41a47e83b2e433b9703713739f5
+
+From 690e6972ffe30473dacbfaa81158f5507cef99f6 Mon Sep 17 00:00:00 2001
+From: Jan Rybar <jrybar@redhat.com>
+Date: Wed, 1 Oct 2025 13:23:45 +0200
+Subject: [PATCH] DBusMock: CI broken after stop_dbus() removal
+
+Because stop_dbus() was removed from DBusMock implementation, nothing
+actually stops the system bus in testing environment in the wrapper.py
+child process, hence the test times out into failure.
+Adding simple kill(<dbus_PID>) in atexit() is sufficient, but the
+original implementation in DBusMock seemed more graceful, so it was
+pulled back in.
+---
+ test/wrapper.py | 34 +++++++++++++++++++++++++++++++++-
+ 1 file changed, 33 insertions(+), 1 deletion(-)
+
+diff --git a/test/wrapper.py b/test/wrapper.py
+index 14f4abdb..dc62f702 100755
+--- a/test/wrapper.py
++++ b/test/wrapper.py
+@@ -5,6 +5,8 @@
+ import os
+ import subprocess
+ import sys
++import signal
++import time
+ 
+ import dbus
+ import dbus.mainloop.glib
+@@ -36,6 +38,36 @@ def setup_test_namespace(data_dir):
+         print("Python 3.12 is required for os.unshare(), skipping")
+         sys.exit(77)
+ 
++
++def stop_dbus(pid: int) -> None:
++    """Stop a D-Bus daemon
++
++    If DBus daemon is not explicitly killed in the testing environment
++    the test times out and reports as failed.
++    This is a backport of a function dropped from DBusMock source (99c4800e9eed).
++    """
++    signal.signal(signal.SIGTERM, signal.SIG_IGN)
++    for _ in range(50):
++        try:
++            os.kill(pid, signal.SIGTERM)
++            os.waitpid(pid, os.WNOHANG)
++        except ChildProcessError:
++            break
++        except OSError as e:
++            if e.errno == errno.ESRCH:
++                break
++            raise
++        time.sleep(0.1)
++    else:
++        sys.stderr.write("ERROR: timed out waiting for bus process to terminate\n")
++        os.kill(pid, signal.SIGKILL)
++        try:
++            os.waitpid(pid, 0)
++        except ChildProcessError:
++            pass
++    signal.signal(signal.SIGTERM, signal.SIG_DFL)
++
++
+ if __name__ == "__main__":
+     parser = argparse.ArgumentParser()
+     parser.add_argument("test_executable",
+@@ -51,7 +83,7 @@ def setup_test_namespace(data_dir):
+     if args.mock_dbus:
+         dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+         dbusmock.DBusTestCase.start_system_bus()
+-        atexit.register(dbusmock.DBusTestCase.stop_dbus, dbusmock.DBusTestCase.system_bus_pid)
++        atexit.register(stop_dbus, dbusmock.DBusTestCase.system_bus_pid)
+ 
+     print(f"Executing '{args.test_executable}'")
+     sys.stdout.flush()
+
+From 247952425829e41a47e83b2e433b9703713739f5 Mon Sep 17 00:00:00 2001
+From: Jan Rybar <jrybar@redhat.com>
+Date: Sun, 5 Oct 2025 16:40:30 +0200
+Subject: [PATCH] Missed 'errno' import in wrapper
+
+---
+ test/wrapper.py | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/test/wrapper.py b/test/wrapper.py
+index dc62f70..9547720 100755
+--- a/test/wrapper.py
++++ b/test/wrapper.py
+@@ -7,6 +7,7 @@
+ import sys
+ import signal
+ import time
++import errno
+ 
+ import dbus
+ import dbus.mainloop.glib

sdk_container/src/third_party/portage-stable/sys-auth/polkit/polkit-126-r2.ebuild

@@ -83,6 +83,7 @@ QA_MULTILIB_PATHS="
 
 PATCHES=(
 	"${FILESDIR}"/${P}-elogind.patch
+	"${FILESDIR}"/${P}-dbusmock.patch
 )
 
 python_check_deps() {