feat: add git pull subcommand

tests/commands/test_git/test_pull.py

@@ -0,0 +1,37 @@
+import shutil
+
+import pytest
+from git import Repo
+
+from halig.commands.git.pull import GitPullCommand
+
+
+@pytest.fixture
+def command(settings, faker):
+    """Configure a local remote for testing located at settings.notebooks_root_path/../remote, push some .age files to
+    that remote
+    """
+    command = GitPullCommand(settings=settings)
+
+    new_path = shutil.copytree(settings.notebooks_root_path, settings.notebooks_root_path / "../remote")
+    new_path = new_path.resolve()
+
+    command.repo.create_remote("origin", str(new_path))
+
+    remote_repo = Repo(new_path)
+    for _ in range(10):
+        random_age_file = new_path / f"{faker.word()}.age"
+        random_age_file.touch()
+        remote_repo.index.add([str(random_age_file)])
+    remote_repo.index.commit("Update notebooks")
+
+    return command
+
+def test_pull_from_origin(command):
+    command.run()
+
+def test_pull_from_custom_origin(settings, command):
+    remote_path = settings.notebooks_root_path / "../remote"
+    command.repo.create_remote("custom", str(remote_path.resolve()))
+    command.remotes = ["custom"]
+    command.run()