[donatj]

I sadly usually wait for the official AppleGit Xcode tools release for the Keychain integration I'm so sadly dependent on.

[modoc]

The 2.9 git install from homebrew prompted me for keychain access and then just "worked", this morning. My first time using brew git. So you may want to give it a whirl.

[sxg]

I'm not exactly sure what your use case is, but would this help? https://help.github.com/articles/caching-your-github-passwor...

[qwyxzy]

I use brew'd git alongside git credential-osxkeychain.