private void prepareIndex()

in org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/BareSuperprojectWriter.java [147:274]
108 lines of code
18 McCabe index (conditional complexity)

	private void prepareIndex(List<RepoProject> projects, DirCache index,
			ObjectInserter inserter) throws IOException, GitAPIException {
		Config cfg = new Config();
		StringBuilder attributes = new StringBuilder();
		DirCacheBuilder builder = index.builder();
		for (RepoProject proj : projects) {
			String name = proj.getName();
			String path = proj.getPath();
			String url = proj.getUrl();
			ObjectId objectId;
			if (ObjectId.isId(proj.getRevision())) {
				objectId = ObjectId.fromString(proj.getRevision());
			} else {
				objectId = callback.sha1(url, proj.getRevision());
				if (objectId == null && !config.ignoreRemoteFailures) {
					throw new RemoteUnavailableException(url);
				}
				if (config.recordRemoteBranch) {
					// "branch" field is only for non-tag references.
					// Keep tags in "ref" field as hint for other tools.
					String field = proj.getRevision().startsWith(R_TAGS) ? "ref" //$NON-NLS-1$
							: "branch"; //$NON-NLS-1$
					cfg.setString("submodule", name, field, //$NON-NLS-1$
							proj.getRevision());
				}

				if (config.recordShallowSubmodules
						&& proj.getRecommendShallow() != null) {
					// The shallow recommendation is losing information.
					// As the repo manifests stores the recommended
					// depth in the 'clone-depth' field, while
					// git core only uses a binary 'shallow = true/false'
					// hint, we'll map any depth to 'shallow = true'
					cfg.setBoolean("submodule", name, "shallow", //$NON-NLS-1$ //$NON-NLS-2$
							true);
				}
			}
			if (config.recordSubmoduleLabels) {
				StringBuilder rec = new StringBuilder();
				rec.append("/"); //$NON-NLS-1$
				rec.append(path);
				for (String group : proj.getGroups()) {
					rec.append(" "); //$NON-NLS-1$
					rec.append(group);
				}
				rec.append("\n"); //$NON-NLS-1$
				attributes.append(rec.toString());
			}

			URI submodUrl = URI.create(url);
			if (targetUri != null) {
				submodUrl = RepoCommand.relativize(targetUri, submodUrl);
			}
			cfg.setString("submodule", name, "path", path); //$NON-NLS-1$ //$NON-NLS-2$
			cfg.setString("submodule", name, "url", //$NON-NLS-1$ //$NON-NLS-2$
					submodUrl.toString());

			// create gitlink
			if (objectId != null) {
				DirCacheEntry dcEntry = new DirCacheEntry(path);
				dcEntry.setObjectId(objectId);
				dcEntry.setFileMode(FileMode.GITLINK);
				builder.add(dcEntry);

				for (CopyFile copyfile : proj.getCopyFiles()) {
					RemoteFile rf = callback.readFileWithMode(url,
							proj.getRevision(), copyfile.src);
					objectId = inserter.insert(Constants.OBJ_BLOB,
							rf.getContents());
					dcEntry = new DirCacheEntry(copyfile.dest);
					dcEntry.setObjectId(objectId);
					dcEntry.setFileMode(rf.getFileMode());
					builder.add(dcEntry);
				}
				for (LinkFile linkfile : proj.getLinkFiles()) {
					String link;
					if (linkfile.dest.contains("/")) { //$NON-NLS-1$
						link = FileUtils.relativizeGitPath(
								linkfile.dest.substring(0,
										linkfile.dest.lastIndexOf('/')),
								proj.getPath() + "/" + linkfile.src); //$NON-NLS-1$
					} else {
						link = proj.getPath() + "/" + linkfile.src; //$NON-NLS-1$
					}

					objectId = inserter.insert(Constants.OBJ_BLOB,
							link.getBytes(UTF_8));
					dcEntry = new DirCacheEntry(linkfile.dest);
					dcEntry.setObjectId(objectId);
					dcEntry.setFileMode(FileMode.SYMLINK);
					builder.add(dcEntry);
				}
			}
		}
		String content = cfg.toText();

		// create a new DirCacheEntry for .gitmodules file.
		DirCacheEntry dcEntry = new DirCacheEntry(
				Constants.DOT_GIT_MODULES);
		ObjectId objectId = inserter.insert(Constants.OBJ_BLOB,
				content.getBytes(UTF_8));
		dcEntry.setObjectId(objectId);
		dcEntry.setFileMode(FileMode.REGULAR_FILE);
		builder.add(dcEntry);

		if (config.recordSubmoduleLabels) {
			// create a new DirCacheEntry for .gitattributes file.
			DirCacheEntry dcEntryAttr = new DirCacheEntry(
					Constants.DOT_GIT_ATTRIBUTES);
			ObjectId attrId = inserter.insert(Constants.OBJ_BLOB,
					attributes.toString().getBytes(UTF_8));
			dcEntryAttr.setObjectId(attrId);
			dcEntryAttr.setFileMode(FileMode.REGULAR_FILE);
			builder.add(dcEntryAttr);
		}

		for (ExtraContent ec : extraContents) {
			DirCacheEntry extraDcEntry = new DirCacheEntry(ec.path);

			ObjectId oid = inserter.insert(Constants.OBJ_BLOB,
					ec.content.getBytes(UTF_8));
			extraDcEntry.setObjectId(oid);
			extraDcEntry.setFileMode(FileMode.REGULAR_FILE);
			builder.add(extraDcEntry);
		}

		builder.finish();
	}