可用于OSX的各种Git二进制文件有什么核心区别？

Question

When you "Install Command Line Tools" from the Github.app, you get symlink'd Git binaries pointing inside the Github.app, like so:

/usr/local/bin/git -> /Applications/GitHub.app/Contents/Resources/git/bin/git
$ git --version
git version 1.8.3.1

Meanwhile OSX/Xcode has it's own flavor:

$ /usr/bin/git --version
git version 1.7.12.4 (Apple Git-37)

And of course the official distro:

/usr/local/git/bin/git --version
git version 1.8.3.2

Is there any appreciable difference in these binaries (beyond the point versions?). I just want the fastest version for a large repo.

Answer 1

Release notes:

https://raw.github.com/git/git/master/Documentation/RelNotes/1.8.3.2.txt https://raw.github.com/git/git/master/Documentation/RelNotes/1.8.3.1.txt https://raw.github.com/git/git/master/Documentation/RelNotes/1.7.12.4.txt

And in particular:

https://raw.github.com/git/git/master/Documentation/RelNotes/1.8.0.txt

Which has the 'new since 1.7.12' you probably care about.

But why not use the most recent one?