Throw IndexReadException if existing index can't be read
If the index file exists but can't be read for example because of wrong filesystem permissions we should throw a specific exception. This allows EGit to handle this error situation. Bug: 482607 Change-Id: I50bfcb719c45caac3cb5550a8b16307c2ea9def4 Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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@ -87,6 +87,7 @@ cannotReadBlob=Cannot read blob {0}
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cannotReadCommit=Cannot read commit {0}
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cannotReadFile=Cannot read file {0}
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cannotReadHEAD=cannot read HEAD: {0} {1}
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cannotReadIndex=The index file {0} exists but cannot be read
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cannotReadObject=Cannot read object
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cannotReadObjectsPath=Cannot read {0}/{1}: {2}
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cannotReadTree=Cannot read tree {0}
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@ -63,6 +63,7 @@
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import java.util.List;
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import org.eclipse.jgit.errors.CorruptObjectException;
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import org.eclipse.jgit.errors.IndexReadException;
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import org.eclipse.jgit.errors.LockFailedException;
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import org.eclipse.jgit.errors.UnmergedPathException;
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import org.eclipse.jgit.events.IndexChangedEvent;
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@ -418,6 +419,12 @@ else if (snapshot == null || snapshot.isModified(liveFile)) {
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}
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}
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} catch (FileNotFoundException fnfe) {
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if (liveFile.exists()) {
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// Panic: the index file exists but we can't read it
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throw new IndexReadException(
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MessageFormat.format(JGitText.get().cannotReadIndex,
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liveFile.getAbsolutePath(), fnfe));
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}
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// Someone must have deleted it between our exists test
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// and actually opening the path. That's fine, its empty.
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//
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@ -0,0 +1,82 @@
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/*
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* Copyright (C) 2015, Christian Halstrick <christian.halstrick@sap.com> and
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* other copyright owners as documented in the project's IP log.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Distribution License v1.0 which accompanies this
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* distribution, is reproduced below, and is available at
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* http://www.eclipse.org/org/documents/edl-v10.php
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* - Neither the name of the Eclipse Foundation, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.eclipse.jgit.errors;
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import java.io.IOException;
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import org.eclipse.jgit.internal.JGitText;
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/**
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* Cannot read the index. This is a serious error that users need to be made
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* aware of.
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*
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* @since 4.2
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*/
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public class IndexReadException extends IOException {
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private static final long serialVersionUID = 1L;
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/**
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* Constructs an IndexReadException with the default message.
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*/
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public IndexReadException() {
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super(JGitText.get().indexWriteException);
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}
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/**
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* Constructs an IndexReadException with the specified detail message.
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*
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* @param s
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* message
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*/
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public IndexReadException(final String s) {
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super(s);
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}
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/**
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* Constructs an IndexReadException with the specified detail message.
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*
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* @param s
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* message
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* @param cause
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* root cause exception
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*/
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public IndexReadException(final String s, final Throwable cause) {
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super(s);
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initCause(cause);
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}
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}
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@ -146,6 +146,7 @@ public static JGitText get() {
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/***/ public String cannotReadCommit;
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/***/ public String cannotReadFile;
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/***/ public String cannotReadHEAD;
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/***/ public String cannotReadIndex;
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/***/ public String cannotReadObject;
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/***/ public String cannotReadObjectsPath;
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/***/ public String cannotReadTree;
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