Merge branch 'ps/setup-wo-the-repository'

Many uses of the_repository has been updated to use a more appropriate struct repository instance in setup.c codepath. * ps/setup-wo-the-repository: setup: stop using `the_repository` in `init_db()` setup: stop using `the_repository` in `create_reference_database()` setup: stop using `the_repository` in `initialize_repository_version()` setup: stop using `the_repository` in `check_repository_format()` setup: stop using `the_repository` in `upgrade_repository_format()` setup: stop using `the_repository` in `setup_git_directory()` setup: stop using `the_repository` in `setup_git_directory_gently()` setup: stop using `the_repository` in `setup_git_env()` setup: stop using `the_repository` in `set_git_work_tree()` setup: stop using `the_repository` in `setup_work_tree()` setup: stop using `the_repository` in `enter_repo()` setup: stop using `the_repository` in `verify_non_filename()` setup: stop using `the_repository` in `verify_filename()` setup: stop using `the_repository` in `path_inside_repo()` setup: stop using `the_repository` in `prefix_path()` setup: stop using `the_repository` in `is_inside_work_tree()` setup: stop using `the_repository` in `is_inside_git_dir()` setup: replace use of `the_repository` in static functions