gitk: argument list too long

I've recently had an issue where running gitk --all has stopped working on a large repository of mine. Gitk's main window appears with all of the sections empty, and a modal tells me 'Error executing git log: couldn't execute git: argument list too long'. I'm on OS X, and am running git version

Gitk: argument list too long

Hi, I¹m having some trouble with gitk on Mac using a very large repository (chromium/src). I¹m using git version 2.2.1 from Homebrew. The error details are the following: couldn't execute git: argument list too long couldn't execute git: argument list too long while executing open [concat