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FS_Win32_Cygwin.java 3.7KB

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  1. /*
  2. * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
  3. * and other copyright owners as documented in the project's IP log.
  4. *
  5. * This program and the accompanying materials are made available
  6. * under the terms of the Eclipse Distribution License v1.0 which
  7. * accompanies this distribution, is reproduced below, and is
  8. * available at http://www.eclipse.org/org/documents/edl-v10.php
  9. *
  10. * All rights reserved.
  11. *
  12. * Redistribution and use in source and binary forms, with or
  13. * without modification, are permitted provided that the following
  14. * conditions are met:
  15. *
  16. * - Redistributions of source code must retain the above copyright
  17. * notice, this list of conditions and the following disclaimer.
  18. *
  19. * - Redistributions in binary form must reproduce the above
  20. * copyright notice, this list of conditions and the following
  21. * disclaimer in the documentation and/or other materials provided
  22. * with the distribution.
  23. *
  24. * - Neither the name of the Eclipse Foundation, Inc. nor the
  25. * names of its contributors may be used to endorse or promote
  26. * products derived from this software without specific prior
  27. * written permission.
  28. *
  29. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  30. * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  31. * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  32. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  33. * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  34. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  35. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  36. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  37. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  38. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  40. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  41. * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  42. */
  43. package org.eclipse.jgit.util;
  44. import java.io.File;
  45. import java.security.AccessController;
  46. import java.security.PrivilegedAction;
  47. import java.util.ArrayList;
  48. import java.util.Arrays;
  49. import java.util.List;
  50. class FS_Win32_Cygwin extends FS_Win32 {
  51. private static String cygpath;
  52. static boolean isCygwin() {
  53. final String path = AccessController
  54. .doPrivileged(new PrivilegedAction<String>() {
  55. public String run() {
  56. return System.getProperty("java.library.path");
  57. }
  58. });
  59. if (path == null)
  60. return false;
  61. File found = FS.searchPath(path, "cygpath.exe");
  62. if (found != null)
  63. cygpath = found.getPath();
  64. return cygpath != null;
  65. }
  66. FS_Win32_Cygwin() {
  67. super();
  68. }
  69. FS_Win32_Cygwin(FS src) {
  70. super(src);
  71. }
  72. public FS newInstance() {
  73. return new FS_Win32_Cygwin(this);
  74. }
  75. public File resolve(final File dir, final String pn) {
  76. String useCygPath = System.getProperty("jgit.usecygpath");
  77. if (useCygPath != null && useCygPath.equals("true")) {
  78. String w = readPipe(dir, //
  79. new String[] { cygpath, "--windows", "--absolute", pn }, //
  80. "UTF-8");
  81. if (w != null)
  82. return new File(w);
  83. }
  84. return super.resolve(dir, pn);
  85. }
  86. @Override
  87. protected File userHomeImpl() {
  88. final String home = AccessController
  89. .doPrivileged(new PrivilegedAction<String>() {
  90. public String run() {
  91. return System.getenv("HOME");
  92. }
  93. });
  94. if (home == null || home.length() == 0)
  95. return super.userHomeImpl();
  96. return resolve(new File("."), home);
  97. }
  98. @Override
  99. public ProcessBuilder runInShell(String cmd, String[] args) {
  100. List<String> argv = new ArrayList<String>(4 + args.length);
  101. argv.add("sh.exe");
  102. argv.add("-c");
  103. argv.add(cmd + " \"$@\"");
  104. argv.add(cmd);
  105. argv.addAll(Arrays.asList(args));
  106. ProcessBuilder proc = new ProcessBuilder();
  107. proc.command(argv);
  108. return proc;
  109. }
  110. }