Example usage for org.eclipse.jgit.submodule SubmoduleStatus SubmoduleStatus

Introduction

In this page you can find the example usage for org.eclipse.jgit.submodule SubmoduleStatus SubmoduleStatus.

Prototype

public SubmoduleStatus(final SubmoduleStatusType type, final String path, final ObjectId indexId,
        final ObjectId headId) 

Source Link

Document

Create submodule status

Usage

From source file:net.polydawn.mdm.MdmModule.java

License:Open Source License

/**
 * @param repo/*from w  w w  .java  2 s. co  m*/
 *                required.
 *
 *                well, unless you're about to create one, in which case not even.
 * @param handle
 *                required.
 * @param parent
 *                null if repository stands alone, otherwise if we are a submodule
 *                required.
 * @param gitmodulesCfg
 *                ignored if parent null, otherwise required.
 * @param indexId
 *                ignored if parent null, otherwise will be automatically loaded
 *                if not provided.
 *
 *                the commit hash known to the parent repo index for this
 *                submodule (or null if it's not handy; we'll load it in that
 *                case).
 *
 * @throws MdmModuleTypeException
 *                 if the {@code gitmodulesCfg} entries for {@code handle} don't
 *                 concur with the {@code type} expected.
 * @throws MdmRepositoryIOException
 *                 if disks reject our advances
 */
protected MdmModule(Repository repo, String handle, Repository parent, Config gitmodulesCfg, ObjectId indexId)
        throws MdmRepositoryIOException, MdmModuleTypeException {
    handle = (File.separatorChar != '/') ? handle.replace(File.separatorChar, '/') : handle;
    this.handle = handle;
    this.repo = repo;

    if (repo == null) {
        this.headId = null;
        this.dirtyFiles = false;
    } else {
        try {
            this.headId = repo.resolve(Constants.HEAD);
        } catch (IOException e) {
            throw new MdmRepositoryIOException(false, handle, e);
        }

        boolean dirtyFiles;
        try {
            dirtyFiles = !new Git(repo).status().call().isClean();
        } catch (NoWorkTreeException e) {
            throw new RuntimeException("wat", e);
        } catch (GitAPIException e) {
            dirtyFiles = false;
        }
        this.dirtyFiles = dirtyFiles;
    }

    if (parent != null) {
        // sanity check the expected module type if we're a submodule (if we're not a submodule, we can't make any such check since there's no gitmodules file to refer to).
        MdmModuleType type = getType();
        MdmModuleType type_configured = MdmModuleType
                .fromString(gitmodulesCfg.getString(ConfigConstants.CONFIG_SUBMODULE_SECTION, handle,
                        MdmConfigConstants.Module.MODULE_TYPE.toString()));
        if (type == null)
            throw new MdmModuleTypeException("expected module of type " + type + " for repository " + handle
                    + ", but gitmodules file has no known type for this module.");
        if (type != type_configured)
            throw new MdmModuleTypeException("expected module of type " + type + " for repository " + handle
                    + ", but gitmodules file states this is a " + type_configured + " module.");

        // load real path from gitmodule config (probably same as handle, but theoretically allowed to be different)
        String path = gitmodulesCfg.getString(ConfigConstants.CONFIG_SUBMODULE_SECTION, handle,
                ConfigConstants.CONFIG_KEY_PATH);
        this.path = (File.separatorChar != '/') ? path.replace(File.separatorChar, '/') : path;

        // load remote urls
        this.urlHistoric = gitmodulesCfg.getString(ConfigConstants.CONFIG_SUBMODULE_SECTION, handle,
                ConfigConstants.CONFIG_KEY_URL);
        this.urlLocal = parent.getConfig().getString(ConfigConstants.CONFIG_SUBMODULE_SECTION, handle,
                ConfigConstants.CONFIG_KEY_URL);

        // load indexId the parent expects the submodule to be at (if not already provided)
        if (indexId != null)
            this.indexId = indexId;
        else
            try {
                SubmoduleWalk generator = SubmoduleWalk.forIndex(parent).setFilter(PathFilter.create(path));
                this.indexId = generator.next() ? generator.getObjectId() : null;
            } catch (IOException e) {
                throw new MdmRepositoryIOException(false, parent.getWorkTree().getPath(), e);
            }

        // review the submodule and summarize a status.
        SubmoduleStatusType statusType;
        if (path == null)
            // jgit report SubmoduleStatusType.MISSING if no path in .gitmodules file, but I don't even want to deal with that.
            throw new MdmModuleTypeException("no path for module " + handle + " listed in gitmodules file.");
        else if (urlLocal == null)
            // Report uninitialized if no URL in config file
            statusType = SubmoduleStatusType.UNINITIALIZED;
        else if (repo == null)
            // Report uninitialized if no submodule repository
            statusType = SubmoduleStatusType.UNINITIALIZED;
        else if (headId == null)
            // Report uninitialized if no HEAD commit in submodule repository
            statusType = SubmoduleStatusType.UNINITIALIZED;
        else if (!headId.equals(indexId))
            // Report checked out if HEAD commit is different than index commit
            statusType = SubmoduleStatusType.REV_CHECKED_OUT;
        else
            // Report initialized if HEAD commit is the same as the index commit
            statusType = SubmoduleStatusType.INITIALIZED;
        this.status = new SubmoduleStatus(statusType, path, indexId, headId);
    } else {
        this.path = handle;
        this.indexId = null;
        this.urlHistoric = null;
        this.urlLocal = null;
        this.status = null;
    }
}

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