| # Copyright 2019 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| """Utilities to help create a rule set release.""" |
| |
| import hashlib |
| import string |
| import sys |
| import textwrap |
| |
| |
| WORKSPACE_STANZA_TEMPLATE = string.Template(textwrap.dedent( |
| """ |
| load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") |
| http_archive( |
| name = "${repo}", |
| urls = [ |
| ${urls}, |
| ], |
| sha256 = "${sha256}", |
| ) |
| """).strip()) |
| |
| |
| DEPS_STANZA_TEMPLATE = string.Template(textwrap.dedent( |
| """ |
| load("@${repo}//${setup_file}", ${to_load}) |
| """).strip()) |
| |
| |
| def package_basename(repo, version): |
| return '%s-%s.tar.gz' % (repo, version) |
| |
| |
| def get_package_sha256(tarball_path): |
| with open(tarball_path, 'rb') as pkg_content: |
| tar_sha256 = hashlib.sha256(pkg_content.read()).hexdigest() |
| return tar_sha256 |
| |
| |
| def workspace_content( |
| url, |
| repo, |
| sha256, |
| deps_method=None, |
| mirror_url=None, |
| rename_repo=None, |
| setup_file=None, |
| toolchains_method=None): |
| # Create the WORKSPACE stanza needed for this rule set. |
| if setup_file and not (deps_method or toolchains_method): |
| print( |
| 'setup_file can only be set if at least one of (deps_method, toolchains_method) is set.', |
| flush=True, |
| file=sys.stderr, |
| ) |
| sys.exit(1) |
| |
| methods = [] |
| if deps_method: |
| methods.append(deps_method) |
| if toolchains_method: |
| methods.append(toolchains_method) |
| |
| # If the github repo has a '-' in the name, that breaks bazel unless we remove |
| # it or change it to an '_' |
| repo = rename_repo or repo |
| repo = repo.replace('-', '_') |
| # Correct the common mistake of not putting a ':' in your setup file name |
| if setup_file and ':' not in setup_file: |
| setup_file = ':' + setup_file |
| if mirror_url: |
| # this could be more elegant |
| urls = '"%s",\n "%s"' % (mirror_url, url) |
| else: |
| urls = '"%s"' % url |
| ret = WORKSPACE_STANZA_TEMPLATE.substitute({ |
| 'urls': urls, |
| 'sha256': sha256, |
| 'repo': repo, |
| }) |
| if methods: |
| deps = DEPS_STANZA_TEMPLATE.substitute({ |
| 'repo': repo, |
| 'setup_file': setup_file or ':deps.bzl', |
| 'to_load': ', '.join('"%s"' % m for m in methods), |
| }) |
| ret += '\n%s\n' % deps |
| |
| for m in methods: |
| ret += '%s()\n' % m |
| |
| return ret |