handle None append argument everywhere

src/ahriman/application/handlers/patch.py

@@ -116,7 +116,7 @@ class Patch(Handler):
         application.database.patches_insert(package_base, patch)
 
     @staticmethod
-    def patch_set_list(application: Application, package_base: str | None, variables: list[str],
+    def patch_set_list(application: Application, package_base: str | None, variables: list[str] | None,
                        exit_code: bool) -> None:
         """
         list patches available for the package base
@@ -124,7 +124,7 @@ class Patch(Handler):
         Args:
             application(Application): application instance
             package_base(str | None): package base
-            variables(list[str]): extract patches only for specified PKGBUILD variables
+            variables(list[str] | None): extract patches only for specified PKGBUILD variables
             exit_code(bool): exit with error on empty search result
         """
         patches = application.database.patches_list(package_base, variables)
@@ -134,13 +134,13 @@ class Patch(Handler):
             PatchPrinter(base, patch).print(verbose=True, separator=" = ")
 
     @staticmethod
-    def patch_set_remove(application: Application, package_base: str, variables: list[str]) -> None:
+    def patch_set_remove(application: Application, package_base: str, variables: list[str] | None) -> None:
         """
         remove patch set for the package base
 
         Args:
             application(Application): application instance
             package_base(str): package base
-            variables(list[str]): remove patches only for specified PKGBUILD variables
+            variables(list[str] | None): remove patches only for specified PKGBUILD variables
         """
         application.database.patches_remove(package_base, variables)

src/ahriman/application/handlers/rebuild.py

@@ -48,7 +48,7 @@ class Rebuild(Handler):
         application.on_start()
 
         packages = Rebuild.extract_packages(application, args.status, from_database=args.from_database)
-        updates = application.repository.packages_depend_on(packages, args.depends_on or None)
+        updates = application.repository.packages_depend_on(packages, args.depends_on)
 
         Rebuild.check_if_empty(args.exit_code, not updates)
         if args.dry_run:

src/ahriman/application/handlers/setup.py

@@ -117,7 +117,8 @@ class Setup(Handler):
 
         section = Configuration.section_name("sign", repository_id.name, repository_id.architecture)
         if args.sign_key is not None:
-            configuration.set_option(section, "target", " ".join([target.name.lower() for target in args.sign_target]))
+            sign_targets = args.sign_target or []
+            configuration.set_option(section, "target", " ".join([target.name.lower() for target in sign_targets]))
             configuration.set_option(section, "key", args.sign_key)
 
         section = Configuration.section_name("web", repository_id.name, repository_id.architecture)

src/ahriman/core/database/operations/patch_operations.py

@@ -40,7 +40,7 @@ class PatchOperations(Operations):
         Returns:
             list[PkgbuildPatch]: plain text patch for the package
         """
-        return self.patches_list(package_base, []).get(package_base, [])
+        return self.patches_list(package_base, None).get(package_base, [])
 
     def patches_insert(self, package_base: str, patch: PkgbuildPatch) -> None:
         """
@@ -64,13 +64,13 @@ class PatchOperations(Operations):
 
         return self.with_connection(run, commit=True)
 
-    def patches_list(self, package_base: str | None, variables: list[str]) -> dict[str, list[PkgbuildPatch]]:
+    def patches_list(self, package_base: str | None, variables: list[str] | None) -> dict[str, list[PkgbuildPatch]]:
         """
         extract all patches
 
         Args:
             package_base(str | None): optional filter by package base
-            variables(list[str]): extract patches only for specified PKGBUILD variables
+            variables(list[str] | None): extract patches only for specified PKGBUILD variables
 
         Returns:
             dict[str, list[PkgbuildPatch]]: map of package base to patch content
@@ -86,29 +86,30 @@ class PatchOperations(Operations):
         # we could use itertools & operator but why?
         patches: dict[str, list[PkgbuildPatch]] = defaultdict(list)
         for package, patch in self.with_connection(run):
-            if variables and patch.key not in variables:
+            if variables is not None and patch.key not in variables:
                 continue
             patches[package].append(patch)
         return dict(patches)
 
-    def patches_remove(self, package_base: str, variables: list[str]) -> None:
+    def patches_remove(self, package_base: str, variables: list[str] | None) -> None:
         """
         remove patch set
 
         Args:
             package_base(str): package base to clear patches
-            variables(list[str]): remove patches only for specified PKGBUILD variables
+            variables(list[str] | None): remove patches only for specified PKGBUILD variables
         """
         def run_many(connection: Connection) -> None:
+            patches = variables or []  # suppress mypy warning
             connection.executemany(
                 """delete from patches where package_base = :package_base and variable = :variable""",
-                [{"package_base": package_base, "variable": variable} for variable in variables])
+                [{"package_base": package_base, "variable": variable} for variable in patches])
 
         def run(connection: Connection) -> None:
             connection.execute(
                 """delete from patches where package_base = :package_base""",
                 {"package_base": package_base})
 
-        if variables:
+        if variables is not None:
             return self.with_connection(run_many, commit=True)
         return self.with_connection(run, commit=True)

tests/ahriman/application/handlers/test_handler_rebuild.py

@@ -23,7 +23,7 @@ def _default_args(args: argparse.Namespace) -> argparse.Namespace:
     Returns:
         argparse.Namespace: generated arguments for these test cases
     """
-    args.depends_on = []
+    args.depends_on = None
     args.dry_run = False
     args.from_database = False
     args.exit_code = False

tests/ahriman/application/test_ahriman.py

@@ -59,7 +59,15 @@ def test_parser_option_wait_timeout(parser: argparse.ArgumentParser) -> None:
     assert isinstance(args.wait_timeout, int)
 
 
-def test_multiple_architectures(parser: argparse.ArgumentParser) -> None:
+def test_parser_option_architecture_empty(parser: argparse.ArgumentParser) -> None:
+    """
+    must parse empty architecture list as None
+    """
+    args = parser.parse_args(["service-config"])
+    assert args.architecture is None
+
+
+def test_parser_option_architecture_multiple(parser: argparse.ArgumentParser) -> None:
     """
     must accept multiple architectures
     """
@@ -67,7 +75,15 @@ def test_multiple_architectures(parser: argparse.ArgumentParser) -> None:
     assert args.architecture == ["x86_64", "i686"]
 
 
-def test_multiple_repositories(parser: argparse.ArgumentParser) -> None:
+def test_parser_option_repository_empty(parser: argparse.ArgumentParser) -> None:
+    """
+    must parse empty repository list as None
+    """
+    args = parser.parse_args(["service-config"])
+    assert args.repository is None
+
+
+def test_parser_option_repository_multiple(parser: argparse.ArgumentParser) -> None:
     """
     must accept multiple architectures
     """
@@ -87,7 +103,7 @@ def test_subparsers_aur_search(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_aur_search_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_aur_search_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     aur-search command must correctly parse architecture list
     """
@@ -108,7 +124,7 @@ def test_subparsers_help(parser: argparse.ArgumentParser) -> None:
     assert args.parser is not None and args.parser()
 
 
-def test_subparsers_help_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_help_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     help command must correctly parse architecture list
     """
@@ -129,7 +145,7 @@ def test_subparsers_help_commands_unsafe(parser: argparse.ArgumentParser) -> Non
     assert args.parser is not None and args.parser()
 
 
-def test_subparsers_help_commands_unsafe_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_help_commands_unsafe_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     help-commands-unsafe command must correctly parse architecture list
     """
@@ -149,7 +165,7 @@ def test_subparsers_help_updates(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_help_updates_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_help_updates_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     help-updates command must correctly parse architecture list
     """
@@ -169,7 +185,7 @@ def test_subparsers_help_version(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_help_version_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_help_version_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     help-version command must correctly parse architecture list
     """
@@ -177,7 +193,7 @@ def test_subparsers_help_version_architecture(parser: argparse.ArgumentParser) -
     assert args.architecture == [""]
 
 
-def test_subparsers_package_add_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_package_add_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     package-add command must correctly parse architecture list
     """
@@ -199,7 +215,7 @@ def test_subparsers_package_add_option_refresh(parser: argparse.ArgumentParser)
     assert args.refresh == 2
 
 
-def test_subparsers_package_remove_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_package_remove_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     package-remove command must correctly parse architecture list
     """
@@ -268,7 +284,7 @@ def test_subparsers_patch_add(parser: argparse.ArgumentParser) -> None:
     assert not args.report
 
 
-def test_subparsers_patch_add_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_patch_add_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     patch-add command must correctly parse architecture list
     """
@@ -288,7 +304,7 @@ def test_subparsers_patch_list(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_patch_list_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_patch_list_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     patch-list command must correctly parse architecture list
     """
@@ -296,6 +312,22 @@ def test_subparsers_patch_list_architecture(parser: argparse.ArgumentParser) ->
     assert args.architecture == [""]
 
 
+def test_subparsers_patch_list_option_variable_empty(parser: argparse.ArgumentParser) -> None:
+    """
+    patch-list command must accept empty variable list as None
+    """
+    args = parser.parse_args(["patch-list", "ahriman"])
+    assert args.variable is None
+
+
+def test_subparsers_patch_list_option_variable_multiple(parser: argparse.ArgumentParser) -> None:
+    """
+    patch-list command must accept multiple variables
+    """
+    args = parser.parse_args(["patch-list", "-v", "var1", "-v", "var2", "ahriman"])
+    assert args.variable == ["var1", "var2"]
+
+
 def test_subparsers_patch_remove(parser: argparse.ArgumentParser) -> None:
     """
     patch-remove command must imply action, architecture list, lock and report
@@ -307,7 +339,7 @@ def test_subparsers_patch_remove(parser: argparse.ArgumentParser) -> None:
     assert not args.report
 
 
-def test_subparsers_patch_remove_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_patch_remove_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     patch-remove command must correctly parse architecture list
     """
@@ -315,6 +347,22 @@ def test_subparsers_patch_remove_architecture(parser: argparse.ArgumentParser) -
     assert args.architecture == [""]
 
 
+def test_subparsers_patch_remove_option_variable_empty(parser: argparse.ArgumentParser) -> None:
+    """
+    patch-remove command must accept empty variable list as None
+    """
+    args = parser.parse_args(["patch-remove", "ahriman"])
+    assert args.variable is None
+
+
+def test_subparsers_patch_remove_option_variable_multiple(parser: argparse.ArgumentParser) -> None:
+    """
+    patch-remove command must accept multiple variables
+    """
+    args = parser.parse_args(["patch-remove", "-v", "var1", "-v", "var2", "ahriman"])
+    assert args.variable == ["var1", "var2"]
+
+
 def test_subparsers_patch_set_add(parser: argparse.ArgumentParser) -> None:
     """
     patch-set-add command must imply action, architecture list, lock, report and variable
@@ -327,7 +375,7 @@ def test_subparsers_patch_set_add(parser: argparse.ArgumentParser) -> None:
     assert args.variable is None
 
 
-def test_subparsers_patch_set_add_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_patch_set_add_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     patch-set-add command must correctly parse architecture list
     """
@@ -362,7 +410,7 @@ def test_subparsers_repo_backup(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_repo_backup_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_backup_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-backup command must correctly parse architecture list
     """
@@ -382,7 +430,7 @@ def test_subparsers_repo_check(parser: argparse.ArgumentParser) -> None:
     assert args.username is None
 
 
-def test_subparsers_repo_check_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_check_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-check command must correctly parse architecture list
     """
@@ -412,7 +460,7 @@ def test_subparsers_repo_create_keyring(parser: argparse.ArgumentParser) -> None
     assert args.trigger == ["ahriman.core.support.KeyringTrigger"]
 
 
-def test_subparsers_repo_create_keyring_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_create_keyring_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-create-keyring command must correctly parse architecture list
     """
@@ -430,7 +478,7 @@ def test_subparsers_repo_create_mirrorlist(parser: argparse.ArgumentParser) -> N
     assert args.trigger == ["ahriman.core.support.MirrorlistTrigger"]
 
 
-def test_subparsers_repo_create_mirrorlist_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_create_mirrorlist_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-create-mirrorlist command must correctly parse architecture list
     """
@@ -472,7 +520,7 @@ def test_subparsers_repo_daemon_option_interval(parser: argparse.ArgumentParser)
     assert isinstance(args.interval, int)
 
 
-def test_subparsers_repo_rebuild_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_rebuild_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-rebuild command must correctly parse architecture list
     """
@@ -482,6 +530,22 @@ def test_subparsers_repo_rebuild_architecture(parser: argparse.ArgumentParser) -
     assert args.architecture == ["x86_64"]
 
 
+def test_subparsers_repo_rebuild_option_depends_on_empty(parser: argparse.ArgumentParser) -> None:
+    """
+    repo-rebuild command must accept empty depends-on list as None
+    """
+    args = parser.parse_args(["repo-rebuild"])
+    assert args.depends_on is None
+
+
+def test_subparsers_repo_rebuild_option_depends_on_multiple(parser: argparse.ArgumentParser) -> None:
+    """
+    repo-rebuild command must accept multiple depends-on
+    """
+    args = parser.parse_args(["repo-rebuild", "--depends-on", "package1", "--depends-on", "package2"])
+    assert args.depends_on == ["package1", "package2"]
+
+
 def test_subparsers_repo_rebuild_option_status(parser: argparse.ArgumentParser) -> None:
     """
     repo-rebuild command must convert status option to BuildStatusEnum instance
@@ -490,7 +554,7 @@ def test_subparsers_repo_rebuild_option_status(parser: argparse.ArgumentParser)
     assert isinstance(args.status, BuildStatusEnum)
 
 
-def test_subparsers_repo_remove_unknown_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_remove_unknown_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-remove-unknown command must correctly parse architecture list
     """
@@ -508,7 +572,7 @@ def test_subparsers_repo_report(parser: argparse.ArgumentParser) -> None:
     assert args.trigger == ["ahriman.core.report.ReportTrigger"]
 
 
-def test_subparsers_repo_report_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_report_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-report command must correctly parse architecture list
     """
@@ -529,7 +593,7 @@ def test_subparsers_repo_restore(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_repo_restore_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_restore_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-restore command must correctly parse architecture list
     """
@@ -537,7 +601,7 @@ def test_subparsers_repo_restore_architecture(parser: argparse.ArgumentParser) -
     assert args.architecture == [""]
 
 
-def test_subparsers_repo_sign_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_sign_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-sign command must correctly parse architecture list
     """
@@ -579,7 +643,7 @@ def test_subparsers_repo_sync(parser: argparse.ArgumentParser) -> None:
     assert args.trigger == ["ahriman.core.upload.UploadTrigger"]
 
 
-def test_subparsers_repo_sync_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_sync_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-sync command must correctly parse architecture list
     """
@@ -600,7 +664,7 @@ def test_subparsers_repo_tree(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_repo_tree_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_tree_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-tree command must correctly parse architecture list
     """
@@ -620,7 +684,7 @@ def test_subparsers_repo_tree_option_partitions(parser: argparse.ArgumentParser)
     assert isinstance(args.partitions, int)
 
 
-def test_subparsers_repo_triggers_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_triggers_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-triggers command must correctly parse architecture list
     """
@@ -630,7 +694,7 @@ def test_subparsers_repo_triggers_architecture(parser: argparse.ArgumentParser)
     assert args.architecture == ["x86_64"]
 
 
-def test_subparsers_repo_update_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_repo_update_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-update command must correctly parse architecture list
     """
@@ -661,7 +725,7 @@ def test_subparsers_service_clean(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_service_clean_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_service_clean_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     service-clean command must correctly parse architecture list
     """
@@ -705,7 +769,7 @@ def test_subparsers_service_key_import(parser: argparse.ArgumentParser) -> None:
     assert not args.report
 
 
-def test_subparsers_service_key_import_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_service_key_import_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     service-key-import command must correctly parse architecture list
     """
@@ -746,6 +810,23 @@ def test_subparsers_service_setup_option_sign_target(parser: argparse.ArgumentPa
     assert all(isinstance(target, SignSettings) for target in args.sign_target)
 
 
+def test_subparsers_service_setup_option_sign_target_empty(parser: argparse.ArgumentParser) -> None:
+    """
+    service-setup command must accept empty sign-target list as None
+    """
+    args = parser.parse_args(["-a", "x86_64", "service-setup", "--packager", "John Doe <john@doe.com>"])
+    assert args.sign_target is None
+
+
+def test_subparsers_service_setup_option_sign_target_multiple(parser: argparse.ArgumentParser) -> None:
+    """
+    service-setup command must accept multiple sign-target
+    """
+    args = parser.parse_args(["-a", "x86_64", "service-setup", "--packager", "John Doe <john@doe.com>",
+                              "--sign-target", "packages", "--sign-target", "repository"])
+    assert args.sign_target == [SignSettings.Packages, SignSettings.Repository]
+
+
 def test_subparsers_service_shell(parser: argparse.ArgumentParser) -> None:
     """
     service-shell command must imply lock and report
@@ -767,7 +848,7 @@ def test_subparsers_user_add(parser: argparse.ArgumentParser) -> None:
     assert args.quiet
 
 
-def test_subparsers_user_add_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_user_add_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     user-add command must correctly parse architecture list
     """
@@ -798,7 +879,7 @@ def test_subparsers_user_list(parser: argparse.ArgumentParser) -> None:
     assert args.unsafe
 
 
-def test_subparsers_user_list_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_user_list_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     user-list command must correctly parse architecture list
     """
@@ -826,7 +907,7 @@ def test_subparsers_user_remove(parser: argparse.ArgumentParser) -> None:
     assert args.quiet
 
 
-def test_subparsers_user_remove_architecture(parser: argparse.ArgumentParser) -> None:
+def test_subparsers_user_remove_option_architecture(parser: argparse.ArgumentParser) -> None:
     """
     user-remove command must correctly parse architecture list
     """

tests/ahriman/core/database/operations/test_patch_operations.py

@@ -22,7 +22,7 @@ def test_patches_list(database: SQLite, package_ahriman: Package, package_python
     database.patches_insert(package_ahriman.base, PkgbuildPatch(None, "patch1"))
     database.patches_insert(package_ahriman.base, PkgbuildPatch("key", "patch3"))
     database.patches_insert(package_python_schedule.base, PkgbuildPatch(None, "patch2"))
-    assert database.patches_list(None, []) == {
+    assert database.patches_list(None, None) == {
         package_ahriman.base: [PkgbuildPatch(None, "patch1"), PkgbuildPatch("key", "patch3")],
         package_python_schedule.base: [PkgbuildPatch(None, "patch2")],
     }
@@ -35,8 +35,8 @@ def test_patches_list_filter(database: SQLite, package_ahriman: Package, package
     database.patches_insert(package_ahriman.base, PkgbuildPatch(None, "patch1"))
     database.patches_insert(package_python_schedule.base, PkgbuildPatch(None, "patch2"))
 
-    assert database.patches_list(package_ahriman.base, []) == {package_ahriman.base: [PkgbuildPatch(None, "patch1")]}
-    assert database.patches_list(package_python_schedule.base, []) == {
+    assert database.patches_list(package_ahriman.base, None) == {package_ahriman.base: [PkgbuildPatch(None, "patch1")]}
+    assert database.patches_list(package_python_schedule.base, None) == {
         package_python_schedule.base: [PkgbuildPatch(None, "patch2")],
     }
 
@@ -50,7 +50,7 @@ def test_patches_list_filter_by_variable(database: SQLite, package_ahriman: Pack
     database.patches_insert(package_ahriman.base, PkgbuildPatch("key", "patch2"))
     database.patches_insert(package_python_schedule.base, PkgbuildPatch(None, "patch3"))
 
-    assert database.patches_list(None, []) == {
+    assert database.patches_list(None, None) == {
         package_ahriman.base: [PkgbuildPatch(None, "patch1"), PkgbuildPatch("key", "patch2")],
         package_python_schedule.base: [PkgbuildPatch(None, "patch3")],
     }
@@ -65,7 +65,7 @@ def test_patches_insert_remove(database: SQLite, package_ahriman: Package, packa
     """
     database.patches_insert(package_ahriman.base, PkgbuildPatch(None, "patch1"))
     database.patches_insert(package_python_schedule.base, PkgbuildPatch(None, "patch2"))
-    database.patches_remove(package_ahriman.base, [])
+    database.patches_remove(package_ahriman.base, None)
 
     assert database.patches_get(package_ahriman.base) == []
     assert database.patches_get(package_python_schedule.base) == [PkgbuildPatch(None, "patch2")]