Merge lp:~rbalint/update-manager/enable-only-removals into lp:update-manager

[Balint Reczey]

[Julian Andres Klode (juliank)]

lgtm

review: Approve

=== modified file 'UpdateManager/Core/MyCache.py'
--- UpdateManager/Core/MyCache.py	2018-09-11 13:51:21 +0000
+++ UpdateManager/Core/MyCache.py	2018-09-24 11:54:38 +0000
@@ -142,6 +142,10 @@
     def keep_count(self):
         return self._depcache.keep_count
 
+    @property
+    def del_count(self):
+        return self._depcache.del_count
+
     def _check_dependencies(self, target, deps):
         """Return True if any of the dependencies in deps match target."""
         # TODO: handle virtual packages

=== modified file 'UpdateManager/UpdatesAvailable.py'
--- UpdateManager/UpdatesAvailable.py	2018-03-18 21:43:58 +0000
+++ UpdateManager/UpdatesAvailable.py	2018-09-24 11:54:38 +0000
@@ -632,7 +632,7 @@
                 Gtk.MenuItem.new_with_mnemonic(_("_Deselect All"))
             item_select_none.connect("activate", self.select_none_upgrades)
             menu.append(item_select_none)
-            num_updates = self.cache.install_count
+            num_updates = self.cache.install_count + self.cache.del_count
             if num_updates == 0:
                 item_select_none.set_property("sensitive", False)
             item_select_all = Gtk.MenuItem.new_with_mnemonic(_("Select _All"))
@@ -724,9 +724,10 @@
         self.hbox_restart.set_visible(requires_restart)
 
     def _refresh_updates_count(self):
-        self.button_install.set_sensitive(self.cache.install_count)
+        self.button_install.set_sensitive(self.cache.install_count +
+                                          self.cache.del_count)
         try:
-            inst_count = self.cache.install_count
+            inst_count = self.cache.install_count + self.cache.del_count
             self.dl_size = self.cache.required_download
             download_str = ""
             if self.dl_size != 0: