/**
* Gets org.eclipse.jgit.lib.Repository object for existing Git Repository.
*
* @param repositoryPath the path to an existing Git Repository
* @return {@link org.eclipse.jgit.lib.Repository} object
* @throws IOException
*/
public static Repository getRepository(String repositoryPath) throws IOException {
RepositoryBuilder repositoryBuilder = new RepositoryBuilder();
repositoryBuilder.findGitDir(new File(repositoryPath));
Repository repository = repositoryBuilder.build();
repository.getConfig().setString(BRANCH, MASTER, MERGE, REFS_HEADS_MASTER);
return repository;
}
/**
* Adds properties to the specified {@code transformer} for the current Git commit hash. The
* following properties are added to {@code transformer}:
*
* <ul>
* <li>{@code repository.commit}: The full commit hash, in lowercase hexadecimal form.
* <li>{@code repository.commit.short}: The abbreviated commit hash, which is the first {@code
* abbrevLen} hexadecimal characters of the full commit hash.
* </ul>
*
* <p>If {@code baseDir} is not currently stored in a Git repository, or if the current Git commit
* hash could not be determined, this method logs a warning and returns {@code false}.
*
* @param transformer The transformer.
* @param baseDir The base directory where versioned files are contained.
* @param abbrevLen The length of the abbreviated commit hash to create, in number of hexadecimal
* characters.
* @param log The Maven log instance.
* @return {@code true} if the commit hash was identified and the properties added to the {@code
* transformer}; otherwise, {@code false}.
*/
public static boolean addCommitProperties(
Transformer transformer, File baseDir, int abbrevLen, Log log) {
try {
RepositoryBuilder builder = new RepositoryBuilder();
Repository repository = builder.findGitDir(baseDir).readEnvironment().build();
ObjectId objectId = repository.resolve(Constants.HEAD);
if (objectId != null) {
transformer.setParameter("repository.commit", objectId.getName());
transformer.setParameter("repository.commit.short", objectId.abbreviate(abbrevLen).name());
return true;
} else {
log.warn("Could not determine current repository commit hash.");
return false;
}
} catch (IOException ex) {
log.warn("Could not determine current repository commit hash.", ex);
return false;
}
}