Show replacments for package if it has been removed

This covers the case where we can't find the package in any other
repositories, but it was removed recently enough that we have a found
package update object.

Signed-off-by: Dan McGee <dan@archlinux.org>

packages/models.py

@@ -321,6 +321,15 @@ def elsewhere(self):
         return Package.objects.normal().filter(
                 pkgname=self.pkgname, arch=self.arch)
 
+    def replacements(self):
+        pkgs = Package.objects.normal().filter(
+                replaces__name=self.pkgname)
+        if not self.arch.agnostic:
+            # make sure we match architectures if possible
+            arches = self.pkg.applicable_arches()
+            pkgs = pkgs.filter(arch__in=arches)
+        return pkgs
+
     def __unicode__(self):
         return u'%s of %s on %s' % (self.get_action_flag_display(),
                 self.pkgname, self.created)

packages/views/display.py

@@ -55,6 +55,8 @@ def recently_removed_package(request, name, repo, arch, cutoff=CUTOFF):
     try:
         update = match.latest()
         elsewhere = update.elsewhere()
+        if len(elsewhere) == 0:
+            elsewhere = update.replacements()
         if len(elsewhere) == 1:
             return redirect(elsewhere[0])
         context = {