* JGit v5.11.0.202103031150-rc1

* [spotbugs] Silence warning about unwritten field written by gson

* Revert "Client-side protocol V2 support for fetching"

* ApplyCommand: use Files#copy to copy file
* Apply hunks when renaming or copying from patch files
* Create parent directories when renaming a file in ApplyCommand

* TLS support on IBM JDKs

* Use AtomicReferences to cache user and system level configs

* JGit v5.3.2.201906051522-r

* Remember the cause for invalidating a packfile

* pgm: Fix missing braces in Push.run()
* pgm: Handle exceptions in Push command
* pgm: Fix missing braces in MergeBase.run()
* pgm: Handle IOException in MergeBase command
* pgm: Fix missing braces in Merge command
* pgm: Handle exceptions in Merge command
* pgm: Fix missing braces in LsTree.run()
* pgm: Handle exceptions in LsTree command
* pgm: Fix missing braces in LsRemote.run()
* pgm: Handle exceptions in LsRemote command
* pgm: Handle exceptions in LsFiles command
* pgm: Fix missing braces in Log.run()
* pgm: Handle exceptions in Log command
* pgm: Handle exceptions in Init command
* pgm: Handle IOException in IndexPack command
* pgm: Fix missing braces in Fetch.run()
* pgm: Handle IOException in Fetch command
* pgm: Handle GitAPIException in Gc command
* pgm: Fix missing braces in DiffTree.run()
* pgm: Handle exceptions in DiffTree command

* Prepare 4.7.7-SNAPSHOT builds

* UntrackedFilesHandler: Fix non-localized string
* Main: Replace deprecated ExampleMode with OptionHandlerFilter
* ObjectCheckerTest: Factor duplicate instances out to constants
* SubmoduleConfigTest: Add additional tests in fetchRecurseToConfigValue
* SubmoduleConfig: Simplify #toConfigValue

* Prefer smaller GC files during DFS garbage collection
* Fix missing deltas near type boundaries

* LocalDiskRepositoryTestCase: Prevent duplicates in list of repos to close

* Skip pack header bytes in DfsPackFile

* Decide whether to "Accept-Encoding: gzip" on a request-by-request basis

* DiffFormatter: Support setting a reader without a repo

* branch command: provide convenient and meaningful options help
* Simplify pgm tests: allow varargs and trim output for toString()
* Fixed few locale dependent pgm tests

* Merge branch 'stable-4.1'

* Use try-with-resource to close resources in BlobBasedConfig

* InMemoryRepository: Ensure new ref targets exist in the repo

* Add a no-op UploadPackLogger and use it by default

* PackIndex: Support reading from any InputStream
* Make PackReverseIndex a public structure
* Add String form of PackInvalidException constructor
* Make lookup methods on PackIndex public