Architecture specific change in rpms/kf5-mailimporter.git

The package rpms/kf5-mailimporter.git has added or updated architecture specific content in its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
https://src.fedoraproject.org/cgit/rpms/kf5-mailimporter.git/commit/?id=44e8....

Change:
+ExclusiveArch: x86_64 %{arm}

Thanks.

Full change:
============

commit 44e8ae22a8bfb443e0c3110132ace878fa321359
Author: Troy Dawson 
Date:   Mon Jan 27 09:28:41 2020 -0800

Apply ExclusiveArch for RHEL8.  libical (and thus kcalendarcore) not on all arches for RHEL8.

diff --git a/kf5-mailimporter.spec b/kf5-mailimporter.spec
index 37a0bcc..1e83c72 100644
--- a/kf5-mailimporter.spec
+++ b/kf5-mailimporter.spec
@@ -16,6 +16,14 @@ URL:     http://cgit.kde.org/%%7Bframework%7D.git
 %endif
 Source0:        http://download.kde.org/%%7Bstable%7D/applications/%%7Bversion%7D/src/%%7Bfr...

+# libical (and thus kcalendarcore) not on all arches for RHEL8.
+%if 0%{?rhel} == 8
+ExclusiveArch: x86_64 %{arm}
+%else
+# handled by qt5-srpm-macros, which defines %%qt5_qtwebengine_arches
+%{?qt5_qtwebengine_arches:ExclusiveArch: %{qt5_qtwebengine_arches}}
+%endif
+
 BuildRequires:  cmake(Qt5Network)
 BuildRequires:  cmake(Qt5Test)
 BuildRequires:  cmake(Qt5UiTools)
@@ -33,8 +41,6 @@ BuildRequires:  kf5-ktextwidgets-devel >= %{kf5_ver}

#global majmin_ver %(echo %{version} | cut -d. -f1,2)
 %global majmin_ver %{version}
-# kf5-akonadi-contacts/kf5-libkdepim available only where qt5-qtwebengine is
-%{?qt5_qtwebengine_arches:ExclusiveArch: %{qt5_qtwebengine_arches}}
 BuildRequires:  kf5-akonadi-contacts-devel >= %{majmin_ver}
 BuildRequires:  kf5-akonadi-mime-devel >= %{majmin_ver}
 BuildRequires:  kf5-akonadi-server-devel >= %{majmin_ver}