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annotate src/org/tmatesoft/hg/repo/HgLookup.java @ 117:6c0be854d149

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author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 04 Feb 2011 02:12:30 +0100
parents a3a2e5deb320
children 1a7a9a20e1f9
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
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21 /**
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22 *
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23 * @author Artem Tikhomirov
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24 * @author TMate Software Ltd.
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25 */
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26 public class HgLookup {
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27
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28 public HgRepository detectFromWorkingDir() throws Exception {
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29 return detect(System.getProperty("user.dir"));
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30 }
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31
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32 public HgRepository detect(String location) throws Exception /*FIXME Exception type, RepoInitException? */ {
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33 return detect(new File(location));
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34 }
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35
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36 // look up in specified location and above
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37 public HgRepository detect(File location) throws Exception {
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38 File dir = location;
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39 File repository;
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40 do {
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41 repository = new File(dir, ".hg");
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42 if (repository.exists() && repository.isDirectory()) {
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43 break;
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44 }
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45 repository = null;
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46 dir = dir.getParentFile();
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47
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48 } while(dir != null);
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49 if (repository == null) {
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50 // return invalid repository
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51 return new HgRepository(location.getPath());
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52 }
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53 return new HgRepository(repository);
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54 }
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55 }