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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>		пре 14 година
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AbbreviatedObjectId.java	Get rid of a duplicate constant for SHA-1 length	пре 14 година
AbstractIndexTreeVisitor.java	Initial JGit contribution to eclipse.org	пре 14 година
AlternateRepositoryDatabase.java	Added caching for loose object lookup during pack indexing	пре 14 година
AnyObjectId.java	Get rid of a duplicate constant for SHA-1 length	пре 14 година
BinaryDelta.java	Initial JGit contribution to eclipse.org	пре 14 година
BlobBasedConfig.java	Initial JGit contribution to eclipse.org	пре 14 година
ByteArrayWindow.java	Initial JGit contribution to eclipse.org	пре 14 година
ByteBufferWindow.java	Initial JGit contribution to eclipse.org	пре 14 година
ByteWindow.java	Remove trailing whitespace at end of line	пре 14 година
CachedObjectDatabase.java	Added caching for loose object lookup during pack indexing	пре 14 година
CachedObjectDirectory.java	Added caching for loose object lookup during pack indexing	пре 14 година
Commit.java	Remove trailing whitespace at end of line	пре 14 година
Config.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	пре 14 година
Constants.java	Introduce a named constant for the ".git" directory extension	пре 14 година
CoreConfig.java	Add support for logAllRefUpdates configuration parameter	пре 14 година
DeltaOfsPackedObjectLoader.java	Initial JGit contribution to eclipse.org	пре 14 година
DeltaPackedObjectLoader.java	Initial JGit contribution to eclipse.org	пре 14 година
DeltaRefPackedObjectLoader.java	Initial JGit contribution to eclipse.org	пре 14 година
FileBasedConfig.java	Make Repository.getConfig aware of changed config	пре 14 година
FileMode.java	Remove trailing whitespace at end of line	пре 14 година
FileTreeEntry.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	пре 14 година
ForceModified.java	Initial JGit contribution to eclipse.org	пре 14 година
GitIndex.java	Speed up check for modifications of tracked resources	пре 14 година
GitlinkTreeEntry.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	пре 14 година
IndexChangedEvent.java	Initial JGit contribution to eclipse.org	пре 14 година
IndexDiff.java	Remove trailing whitespace at end of line	пре 14 година
IndexTreeVisitor.java	Remove trailing whitespace at end of line	пре 14 година
IndexTreeWalker.java	Remove trailing whitespace at end of line	пре 14 година
InflaterCache.java	Remove trailing whitespace at end of line	пре 14 година
LockFile.java	Rewrite reference handling to be abstract and accurate	пре 14 година
MutableObjectId.java	Get rid of a duplicate constant for SHA-1 length	пре 14 година
NullProgressMonitor.java	Initial JGit contribution to eclipse.org	пре 14 година
ObjectChecker.java	Relax ObjectChecker to permit missing tagger lines	пре 14 година
ObjectDatabase.java	Added caching for loose object lookup during pack indexing	пре 14 година
ObjectDirectory.java	Favor earlier PackFile instances over later duplicates	пре 14 година
ObjectId.java	Get rid of a duplicate constant for SHA-1 length	пре 14 година
ObjectIdRef.java	Rewrite reference handling to be abstract and accurate	пре 14 година
ObjectIdSubclassMap.java	ObjectIdSubclassMap: Correct Iterator to throw NoSuchElementException	пре 14 година
ObjectLoader.java	Remove trailing whitespace at end of line	пре 14 година
ObjectWriter.java	Explicitly release resources used by java.util.zip.Deflater	пре 14 година
OffsetCache.java	Initial JGit contribution to eclipse.org	пре 14 година
PackFile.java	Move pure IO utility functions to a utility class of its own.	пре 14 година
PackIndex.java	Move pure IO utility functions to a utility class of its own.	пре 14 година
PackIndexV1.java	Move pure IO utility functions to a utility class of its own.	пре 14 година
PackIndexV2.java	Move pure IO utility functions to a utility class of its own.	пре 14 година
PackIndexWriter.java	Initial JGit contribution to eclipse.org	пре 14 година
PackIndexWriterV1.java	Initial JGit contribution to eclipse.org	пре 14 година
PackIndexWriterV2.java	Initial JGit contribution to eclipse.org	пре 14 година
PackLock.java	Initial JGit contribution to eclipse.org	пре 14 година
PackOutputStream.java	Initial JGit contribution to eclipse.org	пре 14 година
PackReverseIndex.java	Initial JGit contribution to eclipse.org	пре 14 година
PackWriter.java	Cleanup duplicated object reuse code in PackWriter	пре 14 година
PackedObjectLoader.java	Initial JGit contribution to eclipse.org	пре 14 година
PersonIdent.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	пре 14 година
ProgressMonitor.java	Remove trailing whitespace at end of line	пре 14 година
Ref.java	Rewrite reference handling to be abstract and accurate	пре 14 година
RefComparator.java	Create new RefList and RefMap utility types	пре 14 година
RefDatabase.java	Replace writeSymref with RefUpdate.link	пре 14 година
RefDirectory.java	Optimize ref scanning	пре 14 година
RefDirectoryRename.java	Replace writeSymref with RefUpdate.link	пре 14 година
RefDirectoryUpdate.java	Replace writeSymref with RefUpdate.link	пре 14 година
RefRename.java	Rewrite reference handling to be abstract and accurate	пре 14 година
RefUpdate.java	Replace writeSymref with RefUpdate.link	пре 14 година
RefWriter.java	Rewrite reference handling to be abstract and accurate	пре 14 година
ReflogReader.java	Use Constants.OBJECT_ID_STRING_LENGTH instead of LEN * 2	пре 14 година
RefsChangedEvent.java	Initial JGit contribution to eclipse.org	пре 14 година
Repository.java	Make Repository.getConfig aware of changed config	пре 14 година
RepositoryAdapter.java	Initial JGit contribution to eclipse.org	пре 14 година
RepositoryCache.java	Introduce a named constant for the ".git" directory extension	пре 14 година
RepositoryChangedEvent.java	Initial JGit contribution to eclipse.org	пре 14 година
RepositoryConfig.java	Initial JGit contribution to eclipse.org	пре 14 година
RepositoryListener.java	Initial JGit contribution to eclipse.org	пре 14 година
RepositoryState.java	Initial JGit contribution to eclipse.org	пре 14 година
SymbolicRef.java	Rewrite reference handling to be abstract and accurate	пре 14 година
SymlinkTreeEntry.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	пре 14 година
Tag.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	пре 14 година
TextProgressMonitor.java	Initial JGit contribution to eclipse.org	пре 14 година
TransferConfig.java	Initial JGit contribution to eclipse.org	пре 14 година
Tree.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	пре 14 година
TreeEntry.java	s/StringBuffer/StringBuilder as appropriate where no concurrency is needed	пре 14 година
TreeIterator.java	Initial JGit contribution to eclipse.org	пре 14 година
TreeVisitor.java	Initial JGit contribution to eclipse.org	пре 14 година
TreeVisitorWithCurrentDirectory.java	Initial JGit contribution to eclipse.org	пре 14 година
Treeish.java	Initial JGit contribution to eclipse.org	пре 14 година
UnpackedObjectCache.java	Initial JGit contribution to eclipse.org	пре 14 година
UnpackedObjectLoader.java	Fix NPE during InflaterCache return after corrupt loose object	пре 14 година
UserConfig.java	Initial JGit contribution to eclipse.org	пре 14 година
WholePackedObjectLoader.java	Initial JGit contribution to eclipse.org	пре 14 година
WindowCache.java	Remove trailing whitespace at end of line	пре 14 година
WindowCacheConfig.java	Initial JGit contribution to eclipse.org	пре 14 година
WindowCursor.java	Remove trailing whitespace at end of line	пре 14 година
WorkDirCheckout.java	Remove trailing whitespace at end of line	пре 14 година
WriteTree.java	Initial JGit contribution to eclipse.org	пре 14 година