com.bazoud.elasticsearch.river.git.guava.predicates.FetchOrCloneRepositoryPredicate Maven / Gradle / Ivy

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package com.bazoud.elasticsearch.river.git.guava.predicates;

import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;

import com.bazoud.elasticsearch.river.git.beans.Context;
import com.google.common.base.Predicate;

/**
 * @author Olivier Bazoud
 */
public class FetchOrCloneRepositoryPredicate implements Predicate {
    private static ESLogger logger = Loggers.getLogger(FetchOrCloneRepositoryPredicate.class);

    @Override
    public boolean apply(Context context) {
        try {
            final Repository repository = new FileRepositoryBuilder()
                .setGitDir(context.getProjectPath())
                .readEnvironment()
                .findGitDir()
                .setMustExist(false)
                .build();

            return repository.getObjectDatabase().exists();
        } catch(Throwable e) {
            logger.error(this.getClass().getName(), e);
            throw new RuntimeException(e);
        }
    }

}