Fallback to owncloud sidebar icons if those are missing in the branding

Author: TheOneRing

changelog/unreleased/9381

@@ -0,0 +1,6 @@
+Bugfix: Fallback to ownCloud sidebar icons on Mac if none provided in branding
+
+If a customer does not provide sidebar icons we use the ownCloud sidebar icons.
+
+
+https://github.com/owncloud/client/pull/9381

cmake/modules/OCBundleResources.cmake

@@ -95,6 +95,10 @@ function(generate_theme TARGET OWNCLOUD_SIDEBAR_ICONS_OUT)
     else()
         file(GLOB_RECURSE OWNCLOUD_SIDEBAR_ICONS "${OEM_THEME_DIR}/theme/colored/*-${APPLICATION_ICON_NAME}-icon-sidebar.png")
     endif()
+    if (NOT OWNCLOUD_SIDEBAR_ICONS)
+        message(WARNING "The branding does not provide sidebar icons falling back to vanilla icons")
+        file(GLOB_RECURSE OWNCLOUD_SIDEBAR_ICONS "${PROJECT_SOURCE_DIR}/theme/colored/*-owncloud-icon-sidebar.png")
+    endif()
     set(${OWNCLOUD_SIDEBAR_ICONS_OUT} ${OWNCLOUD_SIDEBAR_ICONS} PARENT_SCOPE)
 endfunction()