* Bump bazel version to 4.0.0
* Bazel: Remove unused resources variable

* Update Orbit to R20200529191137 for final Eclipse release 2020-06
* Organize manifest of org.eclipse.jgit.pgm
* Do not include log4j implementation in jgit
* Decouple JSch from JGit Core
* Decouple BouncyCastle from JGit Core

* Fix org.eclipse.jdt.core.prefs of org.eclipse.jgit.junit
* Add missing javadoc in org.eclipse.jgit.junit
* Enhance RepeatRule to report number of failures at the end
* Fix FileSnapshotTests for filesystem with high timestamp resolution
* Retry deleting test files in FileBasedConfigTest
* Measure filesystem timestamp resolution already in test setup
* Refactor FileSnapshotTest to use NIO APIs
* Measure stored timestamp resolution instead of time to touch file

* Merge branch 'master' into stable-5.1

* Merge branch 'stable-4.9'

* ReflogWriter: Align auto-creation defaults with C git
* Support force writing reflog on a per-update basis
* Ensure ReflogWriter only works with a RefDirectory

* reftable: reserve standard PackExt
* reftable: resolve symbolic references
* reftable: support threshold based compaction
* reftable: compact merged tables
* reftable: merge-join reftables
* reftable: lookup by ObjectId unit tests
* reftable: reflog unit tests
* reftable: namespace unit tests
* reftable: bulk operation unit tests
* reftable: basic functionality unit tests
* reftable: debug tools
* reftable: scan and lookup reftable files
* reftable: create and write reftable files
* reftable: file format documentation

* PersonIdent: Strip some special chars from external strings
* PersonIdent: Document that name and email aren't trimmed

* Fix apply patch which did not work with non-ascii characters

* NoteMapTest: Open TreeWalk instances in try-with-resource
* ObjectDirectoryTest: Fix warnings about variable hiding
* PackWriterTest: Open RevWalk in try-with-resource
* PatchIdDiffFormatterTest: Open Git and PatchIdDiffFormatter in try-with-resource
* PathSuffixFilterTest: Open TreeWalk in try-with-resource
* PostOrderTreeWalkTest: Open TreeWalk in try-with-resource
* PullCommandWithRebaseTest: Open RevWalk in try-with-resource
* PushCommandTest: Open Git instances in try-with-resource
* RacyGitTests: Open NameConflictTreeWalk in try-with-resource
* RecursiveMergerTest: Open TreeWalk and BufferedReader in try-with-resource
* ReflogConfigTest: refactor commit method to avoid variable hiding
* Update .mailmap
* RefDirectoryTest: Fix warning about member variable hiding
* ReflogResolveTest: Open Git instances in try-with-resource
* ReflogTest: Open Git instances in try-with-resource
* RepoCommandTest: Open Git instances in try-with-resource

* CherryPickCommandTest: Create Git instances in try-with-resource

* Make sure CLIGitCommand and Main produce (almost) same results

* buck: set Bundle-Version for :jgit_bin

* Implement AutoClosable interface on classes that used release()
* Implement AutoClosable interface to support try-with-resources block

* Allow configuration of receive pack's ObjectChecker through fsck.*
* Correct fetch to use fetch.fsckObjects and transfer.fsckObjects
* Default receive.fsckObjects to transfer.fsckObjects
* Allow ReceivePack callers to configure their own ObjectChecker
* Check for duplicate names after folding case in ObjectChecker
* Change DirCacheCheckout to verify path using ObjectChecker
* Reject mixed case .git on Mac OS in ObjectChecker
* Reject special Windows device names in ObjectChecker
* Allow an ObjectChecker to reject special characters for Windows
* Reject '.git' as a tree name in ObjectChecker
* Extract path segment check function in ObjectChecker
* Permit ObjectChecker to optionally accept leading '0' in trees

* Add jgit target platform to define dependencies more precisely

* Fix formatting in org.eclipse.jgit.pgm.CLIText

* Again teach ResolveMerger to create more correct DirCacheEntry's