[dak/master] auto-decruft: Register all members of groups when merging groups

[Niels Thykier <niels@thykier.net>]

When merging two groups of auto-decruftable packages, remember to
register all members of the combined group so dak can do a reverse
look up later.

Signed-off-by: Niels Thykier <niels@thykier.net>
---
 dak/auto_decruft.py | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/dak/auto_decruft.py b/dak/auto_decruft.py
index e08e793..66479a4 100644
--- a/dak/auto_decruft.py
+++ b/dak/auto_decruft.py
@@ -219,15 +219,15 @@ def auto_decruft_suite(suite_name, suite_id, session, dryrun, debug):
     )
     for group in group_generator:
         group_name = group["name"]
+        pkgs = group["packages"]
+        affected_archs = group["architectures"]
+        # If we remove an arch:all package, then the breakage can occur on any
+        # of the architectures.
+        if "all" in affected_archs:
+            affected_archs = all_architectures
+        for pkg_arch in product(pkgs, affected_archs):
+            pkg_arch2groups[pkg_arch].add(group_name)
         if group_name not in groups:
-            pkgs = group["packages"]
-            affected_archs = group["architectures"]
-            # If we remove an arch:all package, then the breakage can occur on any
-            # of the architectures.
-            if "all" in affected_archs:
-                affected_archs = all_architectures
-            for pkg_arch in product(pkgs, affected_archs):
-                pkg_arch2groups[pkg_arch].add(group_name)
             groups[group_name] = group
             group_order.append(group_name)
         else:
-- 
2.1.4