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JGit/New and Noteworthy/6.2


New Features

Git config core.commentChar

The git config core.commentChar is supported as of JGit 6.2. It enables users to change the default character indicating comment lines in commit messages, which by default is #. The auto setting is also supported.

Negative Refspecs

JGit 6.2 supports negative refspecs when fetching, introduced in C git 2.29. Negative refspecs enable a git client to specify that some refs should not be fetched. A negative refspec has the form ^refs/... and it many contain the * wildcard. For the details, see the git fetch documentation, or the git 2.29 announcement.

Support for External Diff and Merge Tools

JGit 6.2 supports the use of external diff and merge tools. To invoke a merge or diff tool use, for instance:

jgit difftool --tool=kdiff3
jgit mergetool --tool=kdiff3

The list of diff or merge tools configured on the system may be obtained via

jgit difftool --tool-help
jgit mergetool --tool-help

Diff or merge tools are defined in the git configuration files, typically in the repository or user git config. The mechanism is the same for both. An example of a merge tool definition might be

       tool = customTool
[mergetool "customTool"]
       cmd = echo
       path = /usr/bin/echo
       prompt = false
       trustExitCode = false

For a diff tool definition, use diff.tool = <name> and define it via diff.<name>.* instead of merge.tool and merge.<name>.*.

For the details of configurations and possible parameters to the difftool or mergetool commands, see the official git documentation on git difftool and git mergetool.

Other Changes

The complete list of new features and bug fixes is available in the release notes.


The following 13 developers worked on this release:

Andre Bossert, Andrey Loskutov, Fabio Ponciroli, Han-Wen Nienhuys, James Z.M. Gao, Luca Milanesio, Matthias Fromme, Matthias Sohn, Michael Keppler, Simon Sohrt, Sven Selberg, Thomas Wolf, Yun Jieli

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