When I try adding textures and text files to my repo it all works, but when I try adding a .blend file I get this error. I\'ve tried a bunch of things I found here and on go
(This answer is a workaround, not a solution.)
I've just had the same problem (can't push my changes anymore using TortoiseGit/msysgit). Since the problem occurs during unpacking, it can be avoided by disabling compression:
compression = 0 to the [core] section.Obviously, disabling compression might affect performance, so use this workaround at your own discretion.