Eclipse JGit: Java implementation of Git 5.11.0

Features

Protocols

• 553083 Client-side protocol V2 support for fetching
• 563145 Enable git wire protocol version 2 on server side per default
• 541327 TransportHttp: support preemptive Basic authentication
• TransportHttp: make the connection factory configurable
• Migrate to Apache MINA sshd 2.6.0. Re-enable DSA, DSA_CERT, and RSA_CERT public key authentication.
• [pgm] Use Apache sshd by default

GPG signing

• 386908 TagCommand: support signing annotated tags
• 386908 Enable GpgSigner to also sign tags
• 570501 GPG: handle extended private key format
• [GPG] Provide a factory for the BouncyCastleGpgSigner
• 547536 GPG: compute the keygrip to find a secret key
• 547751 GPG signature verification via BouncyCastle
• GPG: support git config gpg.program

Miscellaneous

• 564794 init: allow specifying the initial branch name for the new repository
• 564794 init: add config option to set default for the initial branch name
• Restore preserved packs during missing object seeks in conjunction with --preserve-old-packs GC option
• Create a PackFile class for Pack filenames
• Rename PackFile to Pack
• 571143 IgnoreNode: include path to file for invalid .gitignore patterns
• 571143 FastIgnoreRule: include bad pattern in log message
• Allow to define additional Hook classes outside JGit
• Allow dir/file conflicts in virtual base commit on recursive merge.
• 570744 LFS: make pointer parsing more robust
• [pgm] add option --timeout to clone command
• Add the "compression-level" option to all ArchiveCommand formats

Performance Improvements

• Improved method getting all refs except specific refs with seek on Reftable. Improvement of a factor of 15-20x for large Gerrit repositories!

Bug Fixes

• 571574 HTTP: cookie file stores expiration in seconds
• 570758 LFS: handle invalid pointers better
• 546580 Fail clone if initial branch doesn't exist in remote repository
• 570501 GPG: fix reading unprotected old-format secret keys
• 565874 dfs: handle short copies
• 553428 Post commit hook failure should not cause commit failure
• GitHook: use default charset for output and error streams
• Fix DateRevQueue tie breaks with more than 2 elements
• Fix FileRepository#convertToReftable which failed if no reflog existed
• IO: fix IO.readFully(InputStream, byte[], int) with non-zero offset
• reftable: add random suffix to table names
• TemporaryBuffer: fix toByteArray(limit)
• 535850 TransportHttp: shared SSLContext during fetch or push by introducing GitSession
• Tag message must not include the signature
• Protocol V2: don't log spurious ACKs in UploadPack
• 553083 Protocol V2: respect MAX_HAVES only once we got at least one ACK
• [spotbugs]: Fix potential NPE in FileSnapshot constructor
• FileSnapshot: don't try to read file attributes twice
• 569962 Fix NPE in DirCacheCheckout
• 547789 GPG user ID matching: use case-insensitive matching
• TagCommand: make -f work with lightweight tags for NO_CHANGE
• Added check for null on DirCacheEntry in checkoutEntry method

Build and Release Engineering

• Add target platform for eclipse 4.19 staging
• Bump bazel version to 4.0.0
• Require latest Maven version 3.6.3
• Update jetty to 9.4.36.v20210114
• Update com.google.gson to 2.8.6
• Update spotbugs-maven-plugin to 4.2.0
• Update eclipse-jarsigner-plugin to 1.1.7
• Update build-helper-maven-plugin to 3.2.0
• Update maven-enforcer-plugin to 3.0.0-M3
• Update maven-shade-plugin to 3.2.4
• Update spring-boot-maven-plugin to 2.4.1
• Update maven-surefire plugins to 3.0.0-M5
• Update japicmp-maven-plugin to 0.14.4
• Update spotbugs-maven-plugin to 4.1.4
• Upgrade ecj to 3.24.0
• Upgrade wagon-ssh to 3.4.2
• Update maven-site-plugin to 3.9.1
• Fix stamping to produce stable file timestamps
• Fix errorprone configuration for maven-compiler-plugin with javac
• 570451 Correct the minimum required version of Apache httpclient
• pgm: add missing dependency to org.apache.commons.logging
• Remove reftree and ketch. This was experimental code and never used in production.
• Split out loose object handling from ObjectDirectory
• Split out packfile handling from ObjectDirectory
• TagCommand: propagate NO_CHANGE information
• Move reachability checker generation into the ObjectReader object
• Fix SeparateClassloaderTestRunner on Java 9 or higher