--- /dev/null
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<component id="org.eclipse.jgit" version="2">
+ <resource path="META-INF/MANIFEST.MF">
+ <filter comment="non-breaking addition of exception classes needed to cleanly fix error handling in PackFile" id="924844039">
+ <message_arguments>
+ <message_argument value="4.5.2"/>
+ <message_argument value="4.5.0"/>
+ </message_arguments>
+ </filter>
+ </resource>
+</component>
--- /dev/null
+/*
+ * Copyright (C) 2017, Matthias Sohn <matthias.sohn@sap.com>
+ * 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.errors;
+
+import java.io.IOException;
+
+/**
+ * Thrown when a PackFile is found not to contain the pack signature defined by
+ * git.
+ *
+ * @since 4.5
+ */
+public class NoPackSignatureException extends IOException {
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * Construct an exception.
+ *
+ * @param why
+ * description of the type of error.
+ */
+ public NoPackSignatureException(final String why) {
+ super(why);
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2017, Matthias Sohn <matthias.sohn@sap.com>
+ * 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.errors;
+
+import java.io.IOException;
+import java.text.MessageFormat;
+
+import org.eclipse.jgit.internal.JGitText;
+
+/**
+ * Thrown when a PackIndex uses an index version not supported by JGit.
+ *
+ * @since 4.5
+ */
+public class UnsupportedPackIndexVersionException extends IOException {
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * Construct an exception.
+ *
+ * @param version
+ * pack index version
+ */
+ public UnsupportedPackIndexVersionException(final int version) {
+ super(MessageFormat.format(JGitText.get().unsupportedPackIndexVersion,
+ Integer.valueOf(version)));
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2017, Matthias Sohn <matthias.sohn@sap.com>
+ * 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.errors;
+
+import java.io.IOException;
+import java.text.MessageFormat;
+
+import org.eclipse.jgit.internal.JGitText;
+
+/**
+ * Thrown when a PackFile uses a pack version not supported by JGit.
+ *
+ * @since 4.5
+ */
+public class UnsupportedPackVersionException extends IOException {
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * Construct an exception.
+ *
+ * @param version
+ * pack version
+ */
+ public UnsupportedPackVersionException(final long version) {
+ super(MessageFormat.format(JGitText.get().unsupportedPackVersion,
+ Long.valueOf(version)));
+ }
+}
import java.io.RandomAccessFile;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel.MapMode;
+import java.nio.file.AccessDeniedException;
+import java.nio.file.NoSuchFileException;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.Collections;
import org.eclipse.jgit.errors.CorruptObjectException;
import org.eclipse.jgit.errors.LargeObjectException;
import org.eclipse.jgit.errors.MissingObjectException;
+import org.eclipse.jgit.errors.NoPackSignatureException;
import org.eclipse.jgit.errors.PackInvalidException;
import org.eclipse.jgit.errors.PackMismatchException;
import org.eclipse.jgit.errors.StoredObjectRepresentationNotAvailableException;
+import org.eclipse.jgit.errors.UnpackException;
+import org.eclipse.jgit.errors.UnsupportedPackIndexVersionException;
+import org.eclipse.jgit.errors.UnsupportedPackVersionException;
import org.eclipse.jgit.internal.JGitText;
import org.eclipse.jgit.internal.storage.pack.BinaryDelta;
import org.eclipse.jgit.internal.storage.pack.ObjectToPack;
// max open files)
openFail(!packFile.exists());
throw fn;
- } catch (IOException ioe) {
+ } catch (EOFException | AccessDeniedException | NoSuchFileException
+ | CorruptObjectException | NoPackSignatureException
+ | PackMismatchException | UnpackException
+ | UnsupportedPackIndexVersionException
+ | UnsupportedPackVersionException pe) {
+ // exceptions signaling permanent problems with a pack
openFail(true);
- throw ioe;
- } catch (RuntimeException re) {
- openFail(true);
- throw re;
- } catch (Error re) {
- openFail(true);
- throw re;
+ throw pe;
+ } catch (IOException | RuntimeException ge) {
+ // generic exceptions could be transient so we should not mark the
+ // pack invalid to avoid false MissingObjectExceptions
+ openFail(false);
+ throw ge;
}
}
fd.seek(0);
fd.readFully(buf, 0, 12);
- if (RawParseUtils.match(buf, 0, Constants.PACK_SIGNATURE) != 4)
- throw new IOException(JGitText.get().notAPACKFile);
+ if (RawParseUtils.match(buf, 0, Constants.PACK_SIGNATURE) != 4) {
+ throw new NoPackSignatureException(JGitText.get().notAPACKFile);
+ }
final long vers = NB.decodeUInt32(buf, 4);
final long packCnt = NB.decodeUInt32(buf, 8);
- if (vers != 2 && vers != 3)
- throw new IOException(MessageFormat.format(
- JGitText.get().unsupportedPackVersion, Long.valueOf(vers)));
+ if (vers != 2 && vers != 3) {
+ throw new UnsupportedPackVersionException(vers);
+ }
- if (packCnt != idx.getObjectCount())
+ if (packCnt != idx.getObjectCount()) {
throw new PackMismatchException(MessageFormat.format(
JGitText.get().packObjectCountMismatch,
Long.valueOf(packCnt), Long.valueOf(idx.getObjectCount()),
getPackFile()));
+ }
fd.seek(length - 20);
fd.readFully(buf, 0, 20);
- if (!Arrays.equals(buf, packChecksum))
+ if (!Arrays.equals(buf, packChecksum)) {
throw new PackMismatchException(MessageFormat.format(
JGitText.get().packObjectCountMismatch
, ObjectId.fromRaw(buf).name()
, ObjectId.fromRaw(idx.packChecksum).name()
, getPackFile()));
+ }
}
ObjectLoader load(final WindowCursor curs, long pos)
import org.eclipse.jgit.errors.CorruptObjectException;
import org.eclipse.jgit.errors.MissingObjectException;
+import org.eclipse.jgit.errors.UnsupportedPackIndexVersionException;
import org.eclipse.jgit.internal.JGitText;
import org.eclipse.jgit.lib.AbbreviatedObjectId;
import org.eclipse.jgit.lib.AnyObjectId;
case 2:
return new PackIndexV2(fd);
default:
- throw new IOException(MessageFormat.format(
- JGitText.get().unsupportedPackIndexVersion,
- Integer.valueOf(v)));
+ throw new UnsupportedPackIndexVersionException(v);
}
}
return new PackIndexV1(fd, hdr);
projects / jgit.git / commitdiff