package de.micromata.borgbutler;
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import de.micromata.borgbutler.config.BorgRepoConfig;
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import de.micromata.borgbutler.data.Archive;
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import de.micromata.borgbutler.data.Repository;
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import de.micromata.borgbutler.json.JsonUtils;
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import de.micromata.borgbutler.json.borg.*;
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import de.micromata.borgbutler.utils.DateUtils;
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import de.micromata.borgbutler.utils.ReplaceUtils;
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import org.apache.commons.collections4.CollectionUtils;
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import org.apache.commons.lang3.Validate;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.File;
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import java.io.IOException;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Scanner;
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/**
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* Creates and executes borg commands by calling system's borg application (Borg must be installed).
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*/
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public class BorgCommands {
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private static Logger log = LoggerFactory.getLogger(BorgCommands.class);
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/**
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* Executes borg --version
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*
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* @return version string.
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*/
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public static String version() {
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BorgCommand command = new BorgCommand()
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.setParams("--version")
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.setDescription("Getting borg version.");
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execute(command);
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if (command.getResultStatus() != BorgCommand.ResultStatus.OK) {
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return null;
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}
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String version = command.getResponse();
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log.info("Borg version: " + version);
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return version;
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}
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/**
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* Executes borg info repository.
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*
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* @param repoConfig
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* @return Parsed repo config returned by Borg command (without archives).
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*/
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public static Repository info(BorgRepoConfig repoConfig) {
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BorgCommand command = new BorgCommand()
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.setRepoConfig(repoConfig)
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.setCommand("info")
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.setParams("--json")
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.setDescription("Loading info of repo '" + repoConfig.getDisplayName() + "'.");
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execute(command);
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if (command.getResultStatus() != BorgCommand.ResultStatus.OK) {
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return null;
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}
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BorgRepoInfo repoInfo = JsonUtils.fromJson(BorgRepoInfo.class, command.getResponse());
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BorgRepository borgRepository = repoInfo.getRepository();
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Repository repository = new Repository()
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.setId(borgRepository.getId())
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.setName(repoConfig.getRepo())
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.setDisplayName(repoConfig.getDisplayName())
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.setLastModified(DateUtils.format(borgRepository.getLastModified()))
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.setLocation(borgRepository.getLocation())
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.setCache(repoInfo.getCache())
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.setEncryption(repoInfo.getEncryption())
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.setSecurityDir(repoInfo.getSecurityDir())
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.setLastCacheRefresh(DateUtils.format(LocalDateTime.now()));
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return repository;
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}
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/**
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* Executes borg list repository.
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* The given repository will be used and archives will be added.
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*
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* @param repoConfig The repo config associated to the masterRepository. Needed for the borg call.
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* @param repository Repository without archives, archives will be loaded.
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*/
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public static void list(BorgRepoConfig repoConfig, Repository repository) {
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BorgCommand command = new BorgCommand()
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.setRepoConfig(repoConfig)
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.setCommand("list")
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.setParams("--json")
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.setDescription("Loading list of archives of repo '" + repoConfig.getDisplayName() + "'.");
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execute(command);
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if (command.getResultStatus() != BorgCommand.ResultStatus.OK) {
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log.error("Can't load archives from repo '" + repository.getName() + "'.");
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return;
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}
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BorgRepoList repoList = JsonUtils.fromJson(BorgRepoList.class, command.getResponse());
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if (repoList == null || CollectionUtils.isEmpty(repoList.getArchives())) {
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log.error("Can't load archives from repo '" + repository.getName() + "'.");
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return;
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}
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repository.setLastModified(DateUtils.format(repoList.getRepository().getLastModified()))
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.setLastCacheRefresh(DateUtils.format(LocalDateTime.now()));
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for (BorgArchive borgArchive : repoList.getArchives()) {
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Archive archive = new Archive()
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.setName(borgArchive.getArchive())
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.setId(borgArchive.getId())
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.setStart(DateUtils.format(borgArchive.getStart()))
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.setTime(DateUtils.format(borgArchive.getTime()))
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.setRepoId(repository.getId())
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.setRepoName(repository.getName())
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.setRepoDisplayName(repoConfig.getDisplayName());
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repository.add(archive);
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}
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}
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/**
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* Executes borg info repository::archive.
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* The given repository will be modified.
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* The field {@link Repository#getLastModified()} of masterRepository will be updated.
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*
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* @param repoConfig The repo config associated to the repository. Needed for the borg call.
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* @param archive The archive to update.
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* @param repository Repository without archives.
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*/
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public static void info(BorgRepoConfig repoConfig, Archive archive, Repository repository) {
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BorgCommand command = new BorgCommand()
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.setRepoConfig(repoConfig)
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.setCommand("info")
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.setArchive(archive.getName())
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.setParams("--json")
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.setDescription("Loading info of archive '" + archive.getName() + "' of repo '" + repoConfig.getDisplayName() + "'.");
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execute(command);
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if (command.getResultStatus() != BorgCommand.ResultStatus.OK) {
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return;
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}
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BorgArchiveInfo archiveInfo = JsonUtils.fromJson(BorgArchiveInfo.class, command.getResponse());
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if (archiveInfo == null) {
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log.error("Archive '" + command.getRepoArchive() + "' not found.");
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return;
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}
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repository.setLastModified(DateUtils.format(archiveInfo.getRepository().getLastModified()))
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.setLastCacheRefresh(DateUtils.format(LocalDateTime.now()));
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archive.setCache(archiveInfo.getCache())
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.setEncryption(archiveInfo.getEncryption());
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if (CollectionUtils.isEmpty(archiveInfo.getArchives())) {
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log.error("The returned borg archive contains no archive infos: " + command.getAbbreviatedResponse());
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return;
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}
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if (archiveInfo.getArchives().size() > 1) {
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log.warn("Archive '" + command.getRepoArchive() + "' contains more than one archives!? (Using only first.)");
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}
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BorgArchive2 borgArchive = archiveInfo.getArchives().get(0);
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archive.setStart(DateUtils.format(borgArchive.getStart()))
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.setChunkerParams(borgArchive.getChunkerParams())
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.setCommandLine(borgArchive.getCommandLine())
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.setComment(borgArchive.getComment())
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.setStats(borgArchive.getStats())
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.setLimits(borgArchive.getLimits())
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.setHostname(borgArchive.getHostname())
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.setUsername(borgArchive.getUsername())
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.setEnd(DateUtils.format(borgArchive.getEnd()))
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.setDuration(borgArchive.getDuration())
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;
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}
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public static List<BorgFilesystemItem> listArchiveContent(BorgRepoConfig repoConfig, Archive archive) {
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BorgCommand command = new BorgCommand()
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.setRepoConfig(repoConfig)
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.setCommand("list")
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.setArchive(archive.getName())
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.setParams("--json-lines")
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.setDescription("Loading list of files of archive '" + archive.getName() + "' of repo '" + repoConfig.getDisplayName() + "'.");
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execute(command);
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List<BorgFilesystemItem> content = new ArrayList<>();
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if (command.getResultStatus() != BorgCommand.ResultStatus.OK) {
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return content;
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}
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try (Scanner scanner = new Scanner(command.getResponse())) {
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while (scanner.hasNextLine()) {
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String json = scanner.nextLine();
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BorgFilesystemItem item = JsonUtils.fromJson(BorgFilesystemItem.class, json);
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item.setMtime(DateUtils.format(item.getMtime()));
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content.add(item);
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}
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}
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Collections.sort(content); // Sort by path.
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return content;
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}
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/**
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* Stores the file in a subdirectory named with the repos display name.
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*
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* @param restoreHomeDir
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* @param repoConfig
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* @param archive
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* @param path
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* @return Used sub directory with the restored content.
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* @throws IOException
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*/
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public static File extractFiles(File restoreHomeDir, BorgRepoConfig repoConfig, Archive archive, String path) throws IOException {
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File restoreDir = new File(restoreHomeDir, ReplaceUtils.encodeFilename(repoConfig.getDisplayName(), true));
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if (!restoreDir.exists()) {
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restoreDir.mkdirs();
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}
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BorgCommand command = new BorgCommand()
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.setWorkingDir(restoreDir)
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.setRepoConfig(repoConfig)
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.setCommand("extract")
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.setArchive(archive.getName())
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.setArgs(path)
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.setDescription("Extract content of archive '" + archive.getName()
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+ "' of repo '" + repoConfig.getDisplayName() + "': "
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+ path);
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execute(command);
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return restoreDir;
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}
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private static void execute(BorgCommand command) {
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Validate.notNull(command);
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BorgExecutorQueue.getQueue(command.getRepoConfig()).execute(command);
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}
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}
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