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97 lines
2.7 KiB
97 lines
2.7 KiB
13 years ago
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import java.io.File;
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import java.io.IOException;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import org.apache.tools.ant.BuildException;
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import org.apache.tools.ant.Project;
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import org.eclipse.jgit.api.Git;
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import org.eclipse.jgit.lib.ObjectId;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.eclipse.jgit.revwalk.RevTag;
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import org.eclipse.jgit.revwalk.RevWalk;
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import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
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public class GitRevTask extends org.apache.tools.ant.Task {
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private String repoPath;
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private String property;
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public void setRepoPath(final String repoPath) {
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this.repoPath = repoPath;
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}
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public void setProperty(String property) {
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this.property = property;
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}
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public void execute() {
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if (this.property==null || this.property.length() == 0) {
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log("svn entries file name property was not set properly",Project.MSG_ERR);
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return;
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}
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String revision = null;
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String lastTag = null;
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try {
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final File src = new File(repoPath);
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final Repository repo = new FileRepositoryBuilder().readEnvironment()
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.findGitDir(src).build();
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final ObjectId head = repo.resolve("HEAD");
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final String gitrev = head.getName().substring(0, 8);
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final Git git = new Git(repo);
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final List<RevTag> tags = git.tagList().call();
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final RevWalk walk = new RevWalk(repo);
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walk.markStart(walk.parseCommit(head));
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int distance = 0;
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for (final RevCommit commit : walk) {
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for (final RevTag tag : tags) {
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if (commit.equals(tag.getObject())) {
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lastTag = tag.getShortMessage();
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break;
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}
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}
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if (lastTag == null) lastTag = findRev(commit.getFullMessage());
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if (lastTag != null || distance++ > 99) break;
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}
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walk.dispose();
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if (lastTag == null) {
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revision = "dev" + "-" + gitrev;
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} else {
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revision = lastTag + "-" + distance + "-" + gitrev;
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}
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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Project theProject = getProject();
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if (theProject != null) {
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theProject.setProperty(this.property, lastTag);
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log("Property '" + this.property + "' set to '" + revision + "'", Project.MSG_VERBOSE);
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}
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}
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private String findRev(final String message) {
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final Pattern pattern = Pattern.compile("trunk@(\\d{4})\\s+");
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final Matcher matcher = pattern.matcher(message);
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if (matcher.find()) {
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return matcher.group(1);
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}
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return null;
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}
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public static void main(String[] args) {
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GitRevTask gitRevTask = new GitRevTask();
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gitRevTask.setRepoPath("/home/sgaebel/git/yacy.rc1");
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gitRevTask.execute();
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}
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}
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