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Modify author date in JGit [message #1853287]

Sun, 26 June 2022 11:44

Eclipse User

Is it possible in JGit to set the author-date to a custom value, just like the `--author-date` parameter in native Git allows to do? Thanks a lot.

Re: Modify author date in JGit [message #1853291 is a reply to message #1853287]

Sun, 26 June 2022 15:56

Eclipse User

Construct a PersonIdent with a custom date and set it on CommitCommand using its setAuthor/setCommitter methods

Re: Modify author date in JGit [message #1853293 is a reply to message #1853291]

Sun, 26 June 2022 19:16

Eclipse User

Thanks a lot, it worked.

I've also found that the timestamp is of 1-second granularity, which means that two commits made quickly one after another will have the same author/commit time. Is there a way to make it more granular, e.g. of 1 millisecond?

Re: Modify author date in JGit [message #1853346 is a reply to message #1853293]

Tue, 28 June 2022 12:43

Eclipse User

The git commit storage format stores timestamps in seconds since the Unix epoch.
Using a higher precision would be questionable since git is a distributed versioning system where
versions can be created on different computers in parallel and later end up in the same repository via git transport (push/fetch).
And clocks on different computers are not guaranteed to be perfectly in sync.

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