Merge lp:~apw/ubuntu-archive-tools/esm-dest-archive-security into lp:ubuntu-archive-tools

[Andy Whitcroft]

Treat an alternative PPA destination as the -security pocket so we report the real versions for the copy.

=== modified file 'sru-release'
--- sru-release	2017-06-27 14:57:29 +0000
+++ sru-release	2017-10-17 15:30:10 +0000
@@ -122,6 +122,18 @@
             if pocket in pub.pocket:
                 versions[pub.source_package_name]['changesfile'] = (
                     pub.changesFileUrl())
+        # When the destination archive differs from the source scan that too.
+        if dst_archive != src_archive:
+            for pub in dst_archive.getPublishedSources(
+                    source_name=match.source_package_name, exact_match=True,
+                    status='Published', distro_series=series):
+                key = 'security' # pub.pocket.lower()
+                versions[pub.source_package_name][key] = (
+                    pub.source_package_version)
+                if pocket in pub.pocket:
+                    versions[pub.source_package_name]['changesfile'] = (
+                        pub.changesFileUrl())
+            
         # devel version
         if devel_series:
             for pub in src_archive.getPublishedSources(