Add channel-aware release tooling and updater recovery

release_tests/test_release_remote.py

@@ -0,0 +1,53 @@
+from __future__ import annotations
+
+from pathlib import Path
+import tempfile
+import unittest
+
+from scripts.validate_release_remote import remote_matches, repository_identity
+
+
+class ReleaseRemoteTests(unittest.TestCase):
+	def test_https_and_ssh_forms_identify_the_same_repository(self) -> None:
+		expected = repository_identity(
+			"https://git.m4ko.net/m4ko/pristontale-eu-linux"
+		)
+		self.assertEqual(
+			repository_identity("git@git.m4ko.net:m4ko/pristontale-eu-linux.git"),
+			expected,
+		)
+		self.assertEqual(
+			repository_identity(
+				"ssh://git@git.m4ko.net/m4ko/pristontale-eu-linux.git"
+			),
+			expected,
+		)
+
+	def test_file_url_and_local_path_identify_the_same_repository(self) -> None:
+		with tempfile.TemporaryDirectory() as temporary:
+			path = Path(temporary) / "remote.git"
+			self.assertEqual(
+				repository_identity(path.as_uri()),
+				repository_identity(str(path)),
+			)
+
+	def test_remote_must_match_one_explicitly_allowed_identity(self) -> None:
+		self.assertTrue(
+			remote_matches(
+				"ssh://git@192.168.0.110:222/m4ko/pristontale-eu-linux.git",
+				[
+					"https://git.m4ko.net/m4ko/pristontale-eu-linux",
+					"ssh://git@192.168.0.110:222/m4ko/pristontale-eu-linux.git",
+				],
+			)
+		)
+		self.assertFalse(
+			remote_matches(
+				"ssh://git@untrusted.test/m4ko/pristontale-eu-linux.git",
+				["https://git.m4ko.net/m4ko/pristontale-eu-linux"],
+			)
+		)
+
+
+if __name__ == "__main__":
+	unittest.main()