* Update jetty to 9.4.42.v20210604

* Merge branch 'master' into stable-5.12

* JGit v5.1.15.202012011955-r
* Fix PackInvalidException when fetch and repack run concurrently

* Move ConnectivityChecker to fix API leak

* BitmappedReachabilityChecker: Use only one bitmap for the whole check
* checkNotAdvertisedWants: Be lazy converting Ref to RevCommit
* ReachabilityChecker: Receive a Stream instead of a Collection
* UploadPack: Prioritize references for non-advertised wants checks

* Merge branch 'stable-5.3' into stable-5.4

* [error prone] fix "FutureReturnValueIgnored" error in FS

* JGit v5.1.8.201906050907-r
* Test detecting modified packfiles
* Enhance fsTick() to use filesystem timer resolution
* Add debug trace to measure time needed to open pack index

* Fix missing braces in Branch.run()
* pgm: Handle exceptions in Branch command
* Fix missing braces in Blame.run()
* pgm: Handle NoWorkTreeException and IOException in Blame command

* FileRepositoryBuilderTest: Don't explicitly close BufferedWriter in try-with-resource
* Explicitly specify charset when constructing FileWriter
* Explicitly specify charset when constructing BufferedReader
* Explicitly specify charset in constructor of InputStreamReader
* Explicitly specify charset when calling getBytes
* Explicitly specify charset in constructor of String
* Make inner classes static where possible
* Bazel: Increase severity of ExpectedExceptionChecker to ERROR

* Fix handling of option core.supportsAtomicCreateNewFile

* Prepare 5.2.0-SNAPSHOT builds

* refactor: simplify collection.toArray()

* Prepare 5.0.3-SNAPSHOT builds

* Teach UploadPack "filter" in protocol v2 fetch
* Refactor test of capabilities output
* Refactor v2 advertisement into own function
* Refactor parsing of "filter" into its own method
* Disallow unknown args to "fetch" in protocol v2
* Teach UploadPack shallow fetch in protocol v2
* Refactor unshallowCommits to local variable
* Add protocol v2 support in http
* Give info/refs services more control over response

* Prepare 5.1.0-SNAPSHOT builds

* DirCacheCheckout#processEntry: Fix typo in javadoc

* git ignore .DS_Store

* FetchCommand: Fix detection of submodule recursion mode

* ReceivePack: integrate push option parsing into recvCommands
* ReceivePack: simplify getPushOptions
* ReceivePack: allow push options to be set

* DownloadTest: Use enums from org.apache.http.HttpStatus

* DirCacheCheckoutTest: Open Git and TreeWalk in try-with-resource
* CommitCommand: Remove declaration of unthrown exception
* Branch: Fix variable hiding warning
* ApplyCommandTest: Open Git in try-with-resource
* PackFileTest: Open ObjectInserter.Formatter in try-with-resource

* Fix "remote: Counting objects: ..." formatting
* clone: display progress messages
* buck: run tests
* buck: build standalone jgit binary

* Make jgit annotations accessible to other plugins

* Reimplementation of ignore rule parser

* Drop warnings about unchecked casts in a few stable select places
* Hide warnings about field hiding in the MyersDiff code
* Fix warnings about missing serialVersionUID
* Fix warning about missing serialVersionUID
* Rename local variables/parameters to remove warnings about hiding
* Remove non-existing source directories from Java 7 test build
* Eliminate warnings for non-nls strings that will never be translated

* 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 git checkout --orphan implementation

* Fix plugin provider names to conform with release train requirement
* Add missing @since tags for new API methods
* DfsReaderOptions are options for a DFS stored repository

* Prepare post v2.0.0.201206130900-r builds

* Support gitdir references in working tree .git file

* Add scm section to root POM file

* Refactor DfsReader selection of cached packs
* Fix duplicate objects in "thin+cached" packs from DFS
* Correct progress monitor on "Getting sizes:" phase
* Search for annotated tag reuse first
* Use long for more object counts in PackWriter
* Do not write edge objects to the pack stream