| // Copyright 2008 Google Inc. |
| // |
| // 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. |
| |
| package com.google.codereview.util; |
| |
| import com.google.codereview.internal.GitMeta.GitCommit; |
| import com.google.codereview.internal.GitMeta.GitPerson; |
| |
| import org.spearce.jgit.lib.PersonIdent; |
| import org.spearce.jgit.lib.Repository; |
| import org.spearce.jgit.revwalk.RevCommit; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| public class GitMetaUtil { |
| public static GitCommit toGitCommit(final RevCommit c) { |
| final GitCommit.Builder b = GitCommit.newBuilder(); |
| b.setId(c.getId().name()); |
| for (final RevCommit p : c.getParents()) |
| b.addParentId(p.getId().name()); |
| b.setAuthor(toGitPerson(c.getAuthorIdent())); |
| b.setCommitter(toGitPerson(c.getCommitterIdent())); |
| b.setMessage(c.getFullMessage()); |
| b.setSubject(c.getShortMessage()); |
| return b.build(); |
| } |
| |
| public static GitPerson toGitPerson(final PersonIdent who) { |
| final GitPerson.Builder b = GitPerson.newBuilder(); |
| b.setName(who.getName()); |
| b.setEmail(who.getEmailAddress()); |
| b.setWhen((int) (who.getWhen().getTime() / 1000L)); |
| b.setTz(who.getTimeZoneOffset()); |
| return b.build(); |
| } |
| |
| public static boolean isGitRepository(final File gitdir) { |
| return new File(gitdir, "config").isFile() |
| && new File(gitdir, "HEAD").isFile() |
| && new File(gitdir, "objects").isDirectory() |
| && new File(gitdir, "refs/heads").isDirectory(); |
| } |
| |
| public static Repository open(final File gitdir) throws IOException { |
| if (isGitRepository(gitdir)) { |
| return new Repository(gitdir); |
| } |
| |
| if (isGitRepository(new File(gitdir, ".git"))) { |
| return new Repository(new File(gitdir, ".git")); |
| } |
| |
| final String name = gitdir.getName(); |
| final File parent = gitdir.getParentFile(); |
| if (isGitRepository(new File(parent, name + ".git"))) { |
| return new Repository(new File(parent, name + ".git")); |
| } |
| |
| return null; |
| } |
| } |