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[jgit-dev] Writing list method using JGit


Sorry, if it's not a correct place for the question.

I'm writing method that should list children of one tree in git repo. For each entry (file/dir) it must get info about last changed version, author, modification date (like github repo browser shows).
My implementation does the following:

1. Gets list of directory children (using TreeWalk). I will call this list <interesting paths>

2. Creating RevWalk. Traversing through commits and searching where each file was last changed. For every commit returned by RevWalk I create a TreeWalk for two trees: from current commit and from previous commit. This allows to find paths changed in current commit. If I find that one of <interesting paths> is changed between two commits I take commit info for that path.

Could you suggest some optimization for that? What can be the bottleneck in this implementation? I think comparing paths in takes lot of time, but have no idea how to improve it. I tried to use PathFilterGroup

This algorithm must be as fast as possible.


Ilya Ivanov,
Java Software Developer
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