Add some debugging about ref updating

Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>

pungi/ostree/tree.py

@@ -63,10 +63,13 @@ class Tree(OSTree):
         if self.extra_config:
             tag_ref = self.extra_config.get('tag_ref', True)
         if not tag_ref:
+            print('Not updating ref as configured')
             return
         ref = get_ref_from_treefile(self.treefile)
         commitid = get_commitid_from_commitid_file(self.commitid_file)
+        print('Ref: %r, Commit ID: %r' % (ref, commitid))
         if ref and commitid:
+            print('Updating ref')
             # Let's write the tag out ourselves
             heads_dir = os.path.join(self.repo, 'refs', 'heads')
             if not os.path.exists(heads_dir):

pungi/ostree/utils.py

@@ -37,8 +37,10 @@ def get_ref_from_treefile(treefile):
             try:
                 parsed = json.loads(f.read())
                 ref = parsed['ref']
-            except Exception:
-                pass
+            except Exception as e:
+                print('Unable to get ref from treefile: %s' % e)
+    else:
+        print('Unable to open treefile')
     return ref
 
 
@@ -48,6 +50,8 @@ def get_commitid_from_commitid_file(commitid_file):
     if os.path.isfile(commitid_file):
         with open(commitid_file, 'r') as f:
             commitid = f.read().replace('\n', '')
+    else:
+        print('Unable to find commitid file')
     return commitid