Testa gitstatus.sh med gammal bash

cd ~/Downloads
curl -O https://ftp.gnu.org/gnu/bash/bash-3.2.57.tar.gz
tar xvfz bash-3.2.57.tar.gz
cd bash-3.2.57/
./configure
sudo apt-get install bison
make

~/Downloads/bash-3.2.57/bash ~/.bash-git-prompt/gitstatus.sh