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- /*
- * 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);
- }
- }
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