File project.diff of Package transactional-update

--- transactional-update.spec.orig
+++ transactional-update.spec
@@ -34,6 +34,7 @@ Group:          System/Base
 URL:            https://github.com/openSUSE/transactional-update
 Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
 Source1:        transactional-update.check
+Patch0:         https://github.com/openSUSE/transactional-update/pull/137.patch#./add-container-snap.patch
 
 BuildRequires:  acl
 BuildRequires:  attr
@@ -43,7 +44,7 @@ BuildRequires:  automake
 BuildRequires:  bats
 BuildRequires:  docbook-xsl-stylesheets
 BuildRequires:  fdupes
-%if %{?suse_version} <= 1500
+%if 0%{?suse_version} <= 1500
 BuildRequires:  gcc10-c++
 %else
 BuildRequires:  gcc-c++
@@ -138,7 +139,7 @@ License:        GPL-2.0-or-later OR LGPL
 Group:          System/Libraries
 Requires:       btrfsprogs
 Requires:       rsync
-Requires:       snapper >= 0.8.10
+Requires:       (snapper >= 0.8.10 or container-snap)
 
 %description -n %{libname}
 This package contains the libraries required for programs to do
@@ -181,7 +182,7 @@ transactional-update.
 %autosetup -p1
 
 %build
-%if %{?suse_version} <= 1500
+%if 0%{?suse_version} <= 1500
 export CXX=g++-10
 %endif
 autoreconf -fiv