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EGit/New and Noteworthy/5.7

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Revision as of 17:12, 18 March 2020 by Thomas.wolf.paranor.ch (Talk | contribs) (Add video; thanks Howlger!)

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EGit

Repository Groups

When a repository group is renamed in the Git Repositories view, a border is drawn around the editor inside the tree for better visual identification of the rename operation:

"Screenshot showing the inline renaming of repository groups in EGit 5.7.0."

Some commands that can work on multiple repositories have been enabled on repository groups. The context menu on a repository group now also has the Pull and Switch Repositories To commands.

"Screenshot of the Git Repositories view showing multi-operations enabled on repository groups in EGit 5.7.0."

Pull pulls all repositories contained in the group. Switch Repositories To allows the user to do a branch switch in all repositories, provided there is a local branch with a name common between them all. Both commands were already available if multiple repositories were selected; newly they are also active when repository groups are selected.

Switch Repositories To→New Branch... creates a new local branch at the current HEAD in all the selected repositories.

Comparing Commits

Unified Diffs

There is a new command Show Unified Diff available when two commits or branches or tags from the same repository are selected.

"Screenshot showing the 'Show Unified Diff' command in the Git History view in Egit 5.7.0."

The command opens a diff viewer in the editor area of Eclipse showing the unified diff with the older commit as base. This diff viewer already existed in the Commit Viewer, "Diff" tab, where it showed the unified diff of the commit against its parent. This viewer is now available stand-alone, and can show the diff between any two commits.

This is a read-only editor; many editor commands such as Find... are enabled. Save is disabled, but Save As... is available.

Comparing Branches and Tags in the Git Repositories view

It is now possible to compare two branches or tags in the Git Repositories view via the commands formerly available only in the Git History view: Compare with Each Other, Compare in Tree, and the new Show Unified Diff.

Searching for Commits in the Commit Selection Dialog

The commit selection dialog openend from the Compare With→Commit... command now allows the user to search in the commit list using the same UI as in the Git History view.

"Screenshot of the commit selection dialog showing the new 'find' toolbar in EGit 5.7.0."

API

The org.eclipse.egit.ui bundle has a new public API: it provides a public IAdapterFactory that can be used to define an input for the Git History page. This is useful for Eclipse bundles that have their own objects that correspond to some Git repository, commit, or branch and that want to make the Git History page show that repository or commit when such an object is selected. To use it, include an adapter definition in your bundle's plugin.xml as follows:

<extension point="org.eclipse.core.runtime.adapters">
  <factory
      adaptableType="org.example.myproduct.gitobjects.MyGitObject"
      class="org.eclipse.egit.ui.history.GitHistoryAdapterFactory">
    <adapter type="org.eclipse.team.ui.history.IHistoryPageSource" />
  </factory>
</extension>

The adaptableType objects (MyGitObject in the example) also need to be adaptable to org.eclipse.jgit.lib.Repository, and optionally to org.eclipse.jgit.revwalk.RevCommit. The Git History view, if set to follow the selection in other views, will then show the history of that repository whenever the current selection is a MyGitObject.

Deprecation Warning: EGit UI already included an internal adapter factory org.eclipse.egit.ui.internal.factories.GitAdapterFactory for this. External bundles using that internal factory should switch to using the new public API org.eclipse.egit.ui.history.GitHistoryAdapterFactory. Adaptation to IHistoryPageSource will be removed from the internal factory in the next EGit release.

Other Changes

EGit 5.7 includes lots of less noticeable improvements in the UI, plus a number of bug fixes. The complete list of new features and bug fixes is available in the release notes.

Contributors

The following 10 developers worked on this release:

Alex Blewitt, Alexander Nittka, Andrey Loskutov, Ed Merks, Lars Vogel, Matthias Sohn, Max Hohenegger, Michael Keppler, Simon Muschel, Thomas Wolf

Video

You can see many of the changes in action in the Eclipse 2020-03 Java IDE Improvements video.

See Also

See also the new features in JGit for additional information.

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