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102 lines
3.0 KiB
102 lines
3.0 KiB
import java.io.File;
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import java.io.IOException;
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import java.text.SimpleDateFormat;
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import java.util.List;
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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 revprop;
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private String dateprop;
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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 setRevprop(String revprop) {
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this.revprop = revprop;
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}
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public void setDateprop(String dateprop) {
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this.dateprop = dateprop;
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}
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public void execute() {
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if (this.revprop==null || this.revprop.isEmpty()) {
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log("git entries file name revprop was not set properly",Project.MSG_ERR);
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return;
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}
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if (this.dateprop==null || this.dateprop.isEmpty()) {
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log("git entries file name dateprop 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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String commitDate = 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 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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final RevCommit headCommit = walk.parseCommit(head);
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final SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
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commitDate = df.format(headCommit.getAuthorIdent().getWhen());
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walk.markStart(headCommit);
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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 || distance++ > 999) break;
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}
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walk.dispose();
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if (lastTag == null) {
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revision = "0000";
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} else {
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revision = Integer.toString(distance + 9000);
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}
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} catch (final 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.revprop, revision);
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log("Property '" + this.revprop + "' set to '" + revision + "'", Project.MSG_VERBOSE);
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theProject.setProperty(this.dateprop, commitDate);
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log("Property '" + this.dateprop + "' set to '" + commitDate + "'", Project.MSG_VERBOSE);
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}
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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.setRevprop("baseRevisionNr");
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gitRevTask.setDateprop("DSTAMP");
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gitRevTask.execute();
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}
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}
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