nl.architolk.ldt.license.GitLookUp.java Source code

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Here is the source code for nl.architolk.ldt.license.GitLookUp.java

Source

package nl.architolk.ldt.license;

import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.api.errors.GitAPIException;

import java.io.File;
import java.io.IOException;

public class GitLookUp {

    private final Repository repository;
    private final GitPathResolver pathResolver;

    public GitLookUp(File anyFile) throws IOException {
        super();
        this.repository = new FileRepositoryBuilder().findGitDir(anyFile).build();
        /* A workaround for  https://bugs.eclipse.org/bugs/show_bug.cgi?id=457961 */
        this.repository.getObjectDatabase().newReader().getShallowCommits();
        this.pathResolver = new GitPathResolver(repository.getWorkTree().getAbsolutePath());
    }

    public String getCommitMessage(File file) throws GitAPIException {
        String repoRelativePath = pathResolver.relativize(file);
        String commitMessage = "";

        Iterable<RevCommit> commits = new Git(repository).log().addPath(repoRelativePath).setMaxCount(1).call();
        for (RevCommit commit : commits) {
            commitMessage = commit.getShortMessage();
        }
        return commitMessage.replaceFirst("^Release ", "");
    }
}