Examples with IGitCoreHeadSnapshot com.virtuslab.gitcore.api.IGitCoreHeadSnapshot used on opensource projects

Example 1 with IGitCoreHeadSnapshot

use of com.virtuslab.gitcore.api.IGitCoreHeadSnapshot in project git-machete-intellij-plugin by VirtusLab.

the class GitCoreRepository method deriveHead.

@Override
public IGitCoreHeadSnapshot deriveHead() throws GitCoreException {
    Ref ref = Try.of(() -> jgitRepo.getRefDatabase().findRef(Constants.HEAD)).getOrElseThrow(e -> new GitCoreException("Cannot get current branch", e));
    if (ref == null) {
        throw new GitCoreException("Error occurred while getting current branch ref");
    }
    val reflog = deriveReflogByRefFullName(Constants.HEAD);
    String currentBranchName = null;
    if (ref.isSymbolic()) {
        currentBranchName = Repository.shortenRefName(ref.getTarget().getName());
    } else {
        Option<Path> headNamePath = Stream.of("rebase-apply", "rebase-merge").map(dir -> jgitRepo.getDirectory().toPath().resolve(dir).resolve("head-name")).find(path -> path.toFile().isFile());
        if (headNamePath.isDefined()) {
            currentBranchName = Try.of(() -> Stream.ofAll(Files.readAllLines(headNamePath.get()))).getOrElseThrow(e -> new GitCoreException("Error occurred while getting current branch ref", e)).headOption().map(Repository::shortenRefName).getOrNull();
        }
    }
    IGitCoreLocalBranchSnapshot targetBranch;
    if (currentBranchName != null) {
        targetBranch = deriveLocalBranchByName(currentBranchName).getOrNull();
    } else {
        targetBranch = null;
    }
    return new GitCoreHeadSnapshot(targetBranch, reflog);
}