| /* |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.util; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| |
| class FS_Win32_Cygwin extends FS_Win32 { |
| private static String cygpath; |
| |
| static boolean detect() { |
| final String path = AccessController |
| .doPrivileged(new PrivilegedAction<String>() { |
| public String run() { |
| return System.getProperty("java.library.path"); |
| } |
| }); |
| if (path == null) |
| return false; |
| for (final String p : path.split(";")) { |
| final File e = new File(p, "cygpath.exe"); |
| if (e.isFile()) { |
| cygpath = e.getAbsolutePath(); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| protected File resolveImpl(final File dir, final String pn) { |
| try { |
| final Process p; |
| |
| p = Runtime.getRuntime().exec( |
| new String[] { cygpath, "--windows", "--absolute", pn }, |
| null, dir); |
| p.getOutputStream().close(); |
| |
| final BufferedReader lineRead = new BufferedReader( |
| new InputStreamReader(p.getInputStream(), "UTF-8")); |
| String r = null; |
| try { |
| r = lineRead.readLine(); |
| } finally { |
| lineRead.close(); |
| } |
| |
| for (;;) { |
| try { |
| if (p.waitFor() == 0 && r != null && r.length() > 0) |
| return new File(r); |
| break; |
| } catch (InterruptedException ie) { |
| // Stop bothering me, I have a zombie to reap. |
| } |
| } |
| } catch (IOException ioe) { |
| // Fall through and use the default return. |
| // |
| } |
| return super.resolveImpl(dir, pn); |
| } |
| |
| @Override |
| protected File userHomeImpl() { |
| final String home = AccessController |
| .doPrivileged(new PrivilegedAction<String>() { |
| public String run() { |
| return System.getenv("HOME"); |
| } |
| }); |
| if (home == null || home.length() == 0) |
| return super.userHomeImpl(); |
| return resolveImpl(new File("."), home); |
| } |
| } |