| # Copyright (C) 2008 The Android Open Source Project |
| # |
| # 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. |
| |
| import functools |
| import io |
| |
| from command import DEFAULT_LOCAL_JOBS |
| from command import PagedCommand |
| |
| |
| class Diff(PagedCommand): |
| COMMON = True |
| helpSummary = "Show changes between commit and working tree" |
| helpUsage = """ |
| %prog [<project>...] |
| |
| The -u option causes '%prog' to generate diff output with file paths |
| relative to the repository root, so the output can be applied |
| to the Unix 'patch' command. |
| """ |
| PARALLEL_JOBS = DEFAULT_LOCAL_JOBS |
| |
| def _Options(self, p): |
| p.add_option( |
| "-u", |
| "--absolute", |
| dest="absolute", |
| action="store_true", |
| help="paths are relative to the repository root", |
| ) |
| |
| def _ExecuteOne(self, absolute, local, project): |
| """Obtains the diff for a specific project. |
| |
| Args: |
| absolute: Paths are relative to the root. |
| local: a boolean, if True, the path is relative to the local |
| (sub)manifest. If false, the path is relative to the outermost |
| manifest. |
| project: Project to get status of. |
| |
| Returns: |
| The status of the project. |
| """ |
| buf = io.StringIO() |
| ret = project.PrintWorkTreeDiff(absolute, output_redir=buf, local=local) |
| return (ret, buf.getvalue()) |
| |
| def Execute(self, opt, args): |
| all_projects = self.GetProjects( |
| args, all_manifests=not opt.this_manifest_only |
| ) |
| |
| def _ProcessResults(_pool, _output, results): |
| ret = 0 |
| for state, output in results: |
| if output: |
| print(output, end="") |
| if not state: |
| ret = 1 |
| return ret |
| |
| return self.ExecuteInParallel( |
| opt.jobs, |
| functools.partial( |
| self._ExecuteOne, opt.absolute, opt.this_manifest_only |
| ), |
| all_projects, |
| callback=_ProcessResults, |
| ordered=True, |
| ) |