| def _is_version_suffix(s): |
| if not s or s[0] != "v": |
| return False |
| return s[1:].isdigit() |
| |
| def _lib_name_from_import_path(import_path): |
| """Starlark implementation of libNameFromImportPath in package.go.""" |
| i = import_path.rfind("/") |
| if i < 0: |
| # TODO: Should we replace '.' with '_' also in this case? |
| # libNameFromImportPath doesn't do that, but that seems wrong. |
| return import_path |
| name = import_path[i + 1:] |
| if _is_version_suffix(name): |
| unversioned_import_path = import_path[:i] |
| i = unversioned_import_path.rfind("/") |
| if i >= 0: |
| name = unversioned_import_path[i + 1:] |
| return name.replace(".", "_") |
| |
| def go_helper(import_path, module_path_to_repo): |
| split_pos = len(import_path) |
| for i in range(import_path.count("/") + 1): |
| module_path = import_path[:split_pos] |
| module_repo = module_path_to_repo.get(module_path, None) |
| if module_repo: |
| package_path = import_path[split_pos:].removeprefix("/") |
| return "@{}//{}:{}".format(module_repo, package_path, _lib_name_from_import_path(import_path)) |
| split_pos = module_path.rfind("/", 0, split_pos) |
| |
| fail(""" |
| |
| No Go module in go.mod provides package '{import_path}'. |
| Add the missing dependency via: |
| |
| go get {import_path} |
| |
| """.format(import_path = import_path)) |
