mirrors/jgit - jgit - source @ dussan.org

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Shawn O. Pearce a0a52897ed Favor earlier PackFile instances over later duplicates There is a potential race condition during insertPack that can lead to us having the same pack file open twice in the same directory. A different thread can miss an object on disk, and trigger a scan of the directory, and notice the pack that was put in by IndexPack. So the pack winds up in the newly created PackList. The IndexPack thread then wakes up and finishes its insertPack by creating a new PackFile and inserting it into position 0 of the list. We now have the same pack listed twice. Readers will favor the earlier PackFile instance, because its the first one they come across as they iterate through the list. Keep that earlier one when we scan the pack directory again, as this will avoid needing to purge out all of the windows that may have been cached. Of course we should also fix that race condition, but this block was taking the wrong resolution if this error ever shows up, so lets first fix the block to use a more sane resolution. Change-Id: I0d339b9fd1dd8012e8fe5a564b893c0f69109e28 Signed-off-by: Shawn O. Pearce <spearce@spearce.org>		pirms 14 gadiem
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AbbreviatedObjectId.java	Get rid of a duplicate constant for SHA-1 length	pirms 14 gadiem
AbstractIndexTreeVisitor.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
AlternateRepositoryDatabase.java	Added caching for loose object lookup during pack indexing	pirms 14 gadiem
AnyObjectId.java	Get rid of a duplicate constant for SHA-1 length	pirms 14 gadiem
BinaryDelta.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
BlobBasedConfig.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
ByteArrayWindow.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
ByteBufferWindow.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
ByteWindow.java	Remove trailing whitespace at end of line	pirms 14 gadiem
CachedObjectDatabase.java	Added caching for loose object lookup during pack indexing	pirms 14 gadiem
CachedObjectDirectory.java	Added caching for loose object lookup during pack indexing	pirms 14 gadiem
Commit.java	Remove trailing whitespace at end of line	pirms 14 gadiem
Config.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	pirms 14 gadiem
Constants.java	Introduce a named constant for the ".git" directory extension	pirms 14 gadiem
CoreConfig.java	Add support for logAllRefUpdates configuration parameter	pirms 14 gadiem
DeltaOfsPackedObjectLoader.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
DeltaPackedObjectLoader.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
DeltaRefPackedObjectLoader.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
FileBasedConfig.java	Make Repository.getConfig aware of changed config	pirms 14 gadiem
FileMode.java	Remove trailing whitespace at end of line	pirms 14 gadiem
FileTreeEntry.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	pirms 14 gadiem
ForceModified.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
GitIndex.java	Speed up check for modifications of tracked resources	pirms 14 gadiem
GitlinkTreeEntry.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	pirms 14 gadiem
IndexChangedEvent.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
IndexDiff.java	Remove trailing whitespace at end of line	pirms 14 gadiem
IndexTreeVisitor.java	Remove trailing whitespace at end of line	pirms 14 gadiem
IndexTreeWalker.java	Remove trailing whitespace at end of line	pirms 14 gadiem
InflaterCache.java	Remove trailing whitespace at end of line	pirms 14 gadiem
LockFile.java	Rewrite reference handling to be abstract and accurate	pirms 14 gadiem
MutableObjectId.java	Get rid of a duplicate constant for SHA-1 length	pirms 14 gadiem
NullProgressMonitor.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
ObjectChecker.java	Relax ObjectChecker to permit missing tagger lines	pirms 14 gadiem
ObjectDatabase.java	Added caching for loose object lookup during pack indexing	pirms 14 gadiem
ObjectDirectory.java	Favor earlier PackFile instances over later duplicates	pirms 14 gadiem
ObjectId.java	Get rid of a duplicate constant for SHA-1 length	pirms 14 gadiem
ObjectIdRef.java	Rewrite reference handling to be abstract and accurate	pirms 14 gadiem
ObjectIdSubclassMap.java	ObjectIdSubclassMap: Correct Iterator to throw NoSuchElementException	pirms 14 gadiem
ObjectLoader.java	Remove trailing whitespace at end of line	pirms 14 gadiem
ObjectWriter.java	Explicitly release resources used by java.util.zip.Deflater	pirms 14 gadiem
OffsetCache.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
PackFile.java	Move pure IO utility functions to a utility class of its own.	pirms 14 gadiem
PackIndex.java	Move pure IO utility functions to a utility class of its own.	pirms 14 gadiem
PackIndexV1.java	Move pure IO utility functions to a utility class of its own.	pirms 14 gadiem
PackIndexV2.java	Move pure IO utility functions to a utility class of its own.	pirms 14 gadiem
PackIndexWriter.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
PackIndexWriterV1.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
PackIndexWriterV2.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
PackLock.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
PackOutputStream.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
PackReverseIndex.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
PackWriter.java	Cleanup duplicated object reuse code in PackWriter	pirms 14 gadiem
PackedObjectLoader.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
PersonIdent.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	pirms 14 gadiem
ProgressMonitor.java	Remove trailing whitespace at end of line	pirms 14 gadiem
Ref.java	Rewrite reference handling to be abstract and accurate	pirms 14 gadiem
RefComparator.java	Create new RefList and RefMap utility types	pirms 14 gadiem
RefDatabase.java	Replace writeSymref with RefUpdate.link	pirms 14 gadiem
RefDirectory.java	Optimize ref scanning	pirms 14 gadiem
RefDirectoryRename.java	Replace writeSymref with RefUpdate.link	pirms 14 gadiem
RefDirectoryUpdate.java	Replace writeSymref with RefUpdate.link	pirms 14 gadiem
RefRename.java	Rewrite reference handling to be abstract and accurate	pirms 14 gadiem
RefUpdate.java	Replace writeSymref with RefUpdate.link	pirms 14 gadiem
RefWriter.java	Rewrite reference handling to be abstract and accurate	pirms 14 gadiem
ReflogReader.java	Use Constants.OBJECT_ID_STRING_LENGTH instead of LEN * 2	pirms 14 gadiem
RefsChangedEvent.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
Repository.java	Make Repository.getConfig aware of changed config	pirms 14 gadiem
RepositoryAdapter.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
RepositoryCache.java	Introduce a named constant for the ".git" directory extension	pirms 14 gadiem
RepositoryChangedEvent.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
RepositoryConfig.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
RepositoryListener.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
RepositoryState.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
SymbolicRef.java	Rewrite reference handling to be abstract and accurate	pirms 14 gadiem
SymlinkTreeEntry.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	pirms 14 gadiem
Tag.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	pirms 14 gadiem
TextProgressMonitor.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
TransferConfig.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
Tree.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	pirms 14 gadiem
TreeEntry.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	pirms 14 gadiem
TreeIterator.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
TreeVisitor.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
TreeVisitorWithCurrentDirectory.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
Treeish.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
UnpackedObjectCache.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
UnpackedObjectLoader.java	Fix NPE during InflaterCache return after corrupt loose object	pirms 14 gadiem
UserConfig.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
WholePackedObjectLoader.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
WindowCache.java	Remove trailing whitespace at end of line	pirms 14 gadiem
WindowCacheConfig.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem
WindowCursor.java	Remove trailing whitespace at end of line	pirms 14 gadiem
WorkDirCheckout.java	Remove trailing whitespace at end of line	pirms 14 gadiem
WriteTree.java	Initial JGit contribution to eclipse.org	pirms 14 gadiem