diff --git a/src/ahriman/application/ahriman.py b/src/ahriman/application/ahriman.py
index 8b3dfde0..4f5f303b 100644
--- a/src/ahriman/application/ahriman.py
+++ b/src/ahriman/application/ahriman.py
@@ -137,9 +137,16 @@ def _set_package_add_parser(root: SubParserAction) -> argparse.ArgumentParser:
     """
     parser = root.add_parser("package-add", aliases=["add"], help="add package", description="add package",
                              epilog="This subcommand should be used for new package addition. It also supports flag "
-                                    "--now in case if you would like to build the package immediately.",
+                                    "--now in case if you would like to build the package immediately. "
+                                    "You can add new package from one of supported sources: "
+                                    "1) if it is already built package you can specify the path to the archive; "
+                                    "2) you can also add built packages from the directory (e.g. during the migration "
+                                    "from another repository source); "
+                                    "3) it is also possible to add package from local PKGBUILD, but in this case it "
+                                    "will be ignored during the next automatic updates; "
+                                    "4) and finally you can add package from AUR.",
                              formatter_class=_formatter)
-    parser.add_argument("package", help="package base/name or archive path", nargs="+")
+    parser.add_argument("package", help="package base/name or path to local files", nargs="+")
     parser.add_argument("-n", "--now", help="run update function after", action="store_true")
     parser.add_argument("-s", "--source", help="package source",
                         type=PackageSource, choices=PackageSource, default=PackageSource.Auto)
diff --git a/src/ahriman/application/application.py b/src/ahriman/application/application.py
index cbc11c58..84e7a702 100644
--- a/src/ahriman/application/application.py
+++ b/src/ahriman/application/application.py
@@ -224,13 +224,22 @@ class Application:
         get packages which were not found in AUR
         :return: unknown package list
         """
-        packages = []
-        for base in self.repository.packages():
+        def has_aur(package_base: str, aur_url: str) -> bool:
             try:
-                _ = Package.from_aur(base.base, base.aur_url)
+                _ = Package.from_aur(package_base, aur_url)
             except Exception:
-                packages.append(base)
-        return packages
+                return False
+            return True
+
+        def has_local(package_base: str) -> bool:
+            cache_dir = self.repository.paths.cache_for(package_base)
+            return cache_dir.is_dir() and not Sources.branches(cache_dir)
+
+        return [
+            package
+            for package in self.repository.packages()
+            if not has_aur(package.base, package.aur_url) and not has_local(package.base)
+        ]
 
     def update(self, updates: Iterable[Package]) -> None:
         """
diff --git a/tests/ahriman/application/test_application.py b/tests/ahriman/application/test_application.py
index f830673c..9b0e66f5 100644
--- a/tests/ahriman/application/test_application.py
+++ b/tests/ahriman/application/test_application.py
@@ -314,23 +314,37 @@ def test_sync(application: Application, mocker: MockerFixture) -> None:
     executor_mock.assert_called_once()
 
 
-def test_unknown(application: Application, package_ahriman: Package, mocker: MockerFixture) -> None:
+def test_unknown_no_aur(application: Application, package_ahriman: Package, mocker: MockerFixture) -> None:
     """
-    must return list of packages missing in aur
+    must return empty list in case if there is locally stored PKGBUILD
     """
     mocker.patch("ahriman.core.repository.repository.Repository.packages", return_value=[package_ahriman])
     mocker.patch("ahriman.models.package.Package.from_aur", side_effect=Exception())
+    mocker.patch("pathlib.Path.is_dir", return_value=True)
+    mocker.patch("ahriman.core.build_tools.sources.Sources.branches", return_value=[])
+
+    assert not application.unknown()
+
+
+def test_unknown_no_aur_no_local(application: Application, package_ahriman: Package, mocker: MockerFixture) -> None:
+    """
+    must return list of packages missing in aur and in local storage
+    """
+    mocker.patch("ahriman.core.repository.repository.Repository.packages", return_value=[package_ahriman])
+    mocker.patch("ahriman.models.package.Package.from_aur", side_effect=Exception())
+    mocker.patch("pathlib.Path.is_dir", return_value=False)
 
     packages = application.unknown()
     assert packages == [package_ahriman]
 
 
-def test_unknown_empty(application: Application, package_ahriman: Package, mocker: MockerFixture) -> None:
+def test_unknown_no_local(application: Application, package_ahriman: Package, mocker: MockerFixture) -> None:
     """
-    must return list of packages missing in aur
+    must return empty list in case if there is package in AUR
     """
     mocker.patch("ahriman.core.repository.repository.Repository.packages", return_value=[package_ahriman])
     mocker.patch("ahriman.models.package.Package.from_aur")
+    mocker.patch("pathlib.Path.is_dir", return_value=False)
 
     assert not application.unknown()