diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3c6094f1..3a04d6dd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -248,6 +248,7 @@ black:
         setup.py
         tests/build.TestCase
         tests/deploy.TestCase
+        tests/dump_internal_metadata_format.py
         tests/exception.TestCase
         tests/import_subcommand.TestCase
         tests/init.TestCase
diff --git a/tests/dump_internal_metadata_format.py b/tests/dump_internal_metadata_format.py
index e4679449..c3975902 100755
--- a/tests/dump_internal_metadata_format.py
+++ b/tests/dump_internal_metadata_format.py
@@ -9,27 +9,28 @@
 # The idea is to test changes using all of the files in
 # fdroiddata.git.  To run it, do:
 #
-#   cd fdroidserver/tests
-#   cp dump_internal_metadata_format.py dump.py # since this isn't in old commits
-#   git checkout 0.7.0  # or any old commit of your choosing
-#   cd ../../fdroiddata
-#   ../fdroidserver/tests/dump.py
-#   mv metadata/dump metadata/dump_0.7.0
+#   cd fdroidserver
+#   git checkout <latest tag>
+#   cd ../fdroiddata
+#   ../fdroidserver/tests/dump_internal_metadata_format.py
 #   cd ../fdroidserver
 #   git checkout master
 #   cd ../fdroiddata
-#   ../fdroidserver/tests/dump.py
-#   meld metadata/dump_0.7.0 metadata/dump_0.7.0-179-ge85486a/
+#   ../fdroidserver/tests/dump_internal_metadata_format.py
+#   diff -uw metadata/dump_*
 
-import git
 import inspect
-import optparse
 import os
 import sys
+from argparse import ArgumentParser
+
+import git
+
 import yaml
 
 localmodule = os.path.realpath(
-    os.path.join(os.path.dirname(inspect.getfile(inspect.currentframe())), '..'))
+    os.path.join(os.path.dirname(inspect.getfile(inspect.currentframe())), '..')
+)
 if localmodule not in sys.path:
     sys.path.insert(0, localmodule)
 
@@ -38,47 +39,21 @@ import fdroidserver.metadata  # noqa
 
 
 def _build_yaml_representer(dumper, data):
-    '''Creates a YAML representation of a Build instance'''
-    if hasattr(data, 'append_flag'):
-        # for 0.7.0 and earlier, before https://gitlab.com/fdroid/fdroidserver/merge_requests/210
-        del(data._modified)
-        readdict = data.__dict__
-    else:
-        readdict = data
-
-    # these key names were all renamed in
-    # https://gitlab.com/fdroid/fdroidserver/merge_requests/210
-    output = dict()
-    for k, v in readdict.items():
-        if k == 'vercode':
-            output['versionCode'] = v
-        elif k == 'version':
-            output['versionName'] = v
-        elif k == 'update':
-            output['androidupdate'] = v
-        else:
-            output[k] = v
-
-    return dumper.represent_dict(output)
+    """Create a YAML representation of a Build instance."""
+    return dumper.represent_dict(data)
 
 
-parser = optparse.OptionParser()
-parser.add_option("-v", "--verbose", action="store_true", default=False,
-                  help="Spew out even more information than normal")
-(fdroidserver.common.options, args) = parser.parse_args(['--verbose'])
+parser = ArgumentParser()
+fdroidserver.common.setup_global_opts(parser)
+fdroidserver.metadata.add_metadata_arguments(parser)
+options = parser.parse_args()
+fdroidserver.metadata.warnings_action = options.W
+fdroidserver.common.read_config(None)
 
 if not os.path.isdir('metadata'):
     print("This script must be run in an F-Droid data folder with a 'metadata' subdir!")
     sys.exit(1)
 
-# these need to be set to prevent code running on None, only
-# 'accepted_formats' is actually used in metadata.py
-config = dict()
-config['sdk_path'] = os.getenv('ANDROID_HOME') or '/opt/android-sdk'
-config['ndk_paths'] = dict()
-config['accepted_formats'] = ['yml']
-fdroidserver.common.config = config
-
 repo = git.Repo(localmodule)
 savedir = os.path.join('metadata', 'dump_' + repo.git.describe())
 if not os.path.isdir(savedir):
@@ -87,20 +62,8 @@ if not os.path.isdir(savedir):
 apps = fdroidserver.metadata.read_metadata()
 for appid, app in apps.items():
     savepath = os.path.join(savedir, appid + '.yaml')
-    if hasattr(app, 'attr_to_field'):
-        # for 0.7.0 and earlier, before https://gitlab.com/fdroid/fdroidserver/merge_requests/210
-        app.__dict__['lastUpdated'] = app.__dict__['lastupdated']
-        del(app.__dict__['lastupdated'])
-        del(app._modified)
-        frommeta = dict(app.__dict__)
-    else:
-        frommeta = dict(app)
+    frommeta = dict(app)
 
-    with open(savepath, 'w') as f:
+    with open(savepath, "w", encoding="utf-8") as f:
         yaml.add_representer(fdroidserver.metadata.Build, _build_yaml_representer)
         yaml.dump(frommeta, f, default_flow_style=False)
-
-    # if appid == 'at.tomtasche.reader':
-    #     import pprint
-    #     pprint.pprint(app)
-    #     sys.exit(1)