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JGit [message #1106470]

Wed, 11 September 2013 06:22

Ajay Gour

Messages: 5
Registered: September 2013

Junior Member

Using JGit library, is there a way to figure out from which commit a branch is created?

Lets say, i have below mentioned structure - A, B, C, D commits are made in master branch. From B, another branch called branch-A is created and E & F commits are made in this branch.

A -> B -> C -> D (master)
.......|
.......|--> E -> F (branch-A)

Given the example above, if i am seeing the history of branch-A, i would like it to include only E and F commits (and nothing else before first revision in branch).

Is it possible using JGit?

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Re: JGit [message #1142936 is a reply to message #1106470]

Thu, 17 October 2013 23:37

Matthias Sohn

Messages: 1268
Registered: July 2009

Senior Member

A git branch is just a pointer to a commit, so it doesn't know where it was created.
You may use the reflog of the respective branch to trace back operations which
moved the branch pointer.

Use the org.eclipse.jgit.api.ReflogCommand to access reflogs.

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Re: JGit [message #1143527 is a reply to message #1142936]

Fri, 18 October 2013 08:44

Ajay Gour

Messages: 5
Registered: September 2013

Junior Member

Thanks Matthias for the response.

I realized Git doesn't store that information (like SVN which stores "copy path") so we changed our approach. As for reflog usage, i dont think that would be feasible as GIT keeps the ref logs for limited time period and we look into entire history of a project in repository.

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