Mercurial > hg > mercurial

annotate mercurial-common/src/jetbrains/buildServer/buildTriggers/vcs/mercurial/HgFileUtil.java @ 949:32bfdf49827f

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disable failing test The tested logic is not used
author Dmitry Neverov <dmitry.neverov@gmail.com>
date Thu, 17 Mar 2016 11:51:14 +0100
parents 98657a5c5cb1
children 7bf4d943d5bb
rev   line source
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1 /*
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2 * Copyright 2000-2014 JetBrains s.r.o.
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3 *
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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7 *
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8 * http://www.apache.org/licenses/LICENSE-2.0
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9 *
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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15 */
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16
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17 package jetbrains.buildServer.buildTriggers.vcs.mercurial;
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18
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19 import com.intellij.openapi.diagnostic.Logger;
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20 import com.intellij.openapi.util.SystemInfo;
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21 import jetbrains.buildServer.util.FileUtil;
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22 import org.jetbrains.annotations.NotNull;
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23 import org.jetbrains.annotations.Nullable;
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24
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25 import java.io.File;
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26 import java.io.IOException;
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27
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28 /**
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29 * @author dmitry.neverov
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30 */
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31 public final class HgFileUtil {
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32
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33 private final static String TEMP_DIR_PREFIX = "hg";
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34 private final static Object ourTmpDirLock = new Object();
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35
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36 private HgFileUtil() {
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37 }
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38
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39 /**
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40 * Create a temp dir with short name
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41 * @return created dir
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42 * @throws IOException in case of I/O error
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43 */
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44 @NotNull
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45 public static File createTempDir() throws IOException {
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46 File parentDir = new File(FileUtil.getTempDirectory());
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47 return createTempDir(parentDir);
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48 }
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49
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50 @NotNull
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51 public static File createTempDir(@NotNull final File parentDir) throws IOException {
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52 //noinspection ResultOfMethodCallIgnored
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53 parentDir.mkdirs();
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54
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55 int suffix = 0;
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56 File dir;
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57 while (true) {
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58 suffix++;
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59 String tmpDirName = TEMP_DIR_PREFIX + suffix;
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60 dir = new File(parentDir, tmpDirName);
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61 if (dir.exists())
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62 continue;
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63
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64 synchronized (ourTmpDirLock) {
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65 try {
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66 if (!dir.createNewFile())
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67 continue;
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68 } catch (IOException e) {
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69 //workaround for http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6325169
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70 if (SystemInfo.isWindows && "Access is denied".equals(e.getMessage()))
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71 continue;
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72 throw e;
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73 }
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74 if (!dir.delete())
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75 continue;
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76 if (!dir.mkdir())
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77 continue;
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78 }
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79 return dir;
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80 }
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81 }
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82
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83
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84 public static void deleteDir(@Nullable final File dir, @NotNull final Logger logger) {
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85 if (dir == null)
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86 return;
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87 FileUtil.symlinkAwareDelete(dir);
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88 if (dir.exists())
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89 logger.warn("Cannot delete directory " + dir.getAbsolutePath());
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90 }
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91 }