Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgLookup.java @ 176:a8df7162ec75

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Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 02 Apr 2011 03:01:14 +0200
parents 87f40938c9b2
children cd3371670f0b
rev   line source
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1 /*
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2 * Copyright (c) 2010-2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.repo;
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18
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19 import java.io.File;
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20 import java.io.IOException;
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21 import java.net.URL;
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22
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23 import org.tmatesoft.hg.core.HgException;
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24 import org.tmatesoft.hg.internal.DataAccessProvider;
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25
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26 /**
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27 * Utility methods to find Mercurial repository at a given location
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28 *
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29 * @author Artem Tikhomirov
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30 * @author TMate Software Ltd.
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31 */
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32 public class HgLookup {
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33
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34 public HgRepository detectFromWorkingDir() throws HgException {
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35 return detect(System.getProperty("user.dir"));
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36 }
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37
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38 public HgRepository detect(String location) throws HgException {
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39 return detect(new File(location));
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40 }
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41
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42 // look up in specified location and above
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43 public HgRepository detect(File location) throws HgException {
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44 File dir = location.getAbsoluteFile();
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45 File repository;
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46 do {
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47 repository = new File(dir, ".hg");
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48 if (repository.exists() && repository.isDirectory()) {
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49 break;
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50 }
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51 repository = null;
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52 dir = dir.getParentFile();
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53
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54 } while(dir != null);
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55 if (repository == null) {
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56 // return invalid repository
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57 return new HgRepository(location.getPath());
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58 }
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59 try {
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60 String repoPath = repository.getParentFile().getCanonicalPath();
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61 return new HgRepository(repoPath, repository);
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62 } catch (IOException ex) {
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63 throw new HgException(location.toString(), ex);
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64 }
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65 }
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67 public HgBundle loadBundle(File location) throws HgException {
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68 if (location == null || !location.canRead()) {
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69 throw new IllegalArgumentException();
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70 }
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71 return new HgBundle(new DataAccessProvider(), location);
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72 }
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74 public HgRemoteRepository detect(URL url) throws HgException {
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75 if (url == null) {
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76 throw new IllegalArgumentException();
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77 }
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78 if (Boolean.FALSE.booleanValue()) {
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79 throw HgRepository.notImplemented();
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80 }
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81 return new HgRemoteRepository(url);
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82 }
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83 }