bash: __git_ps1: command not found - tetsuyaf1100/hello-world GitHub Wiki

git-prompt.sh, git-completion.bashを取得し、設定

mkdir /usr/local/etc/bash_completion.d/
cd $_

curl -O https://raw.githubusercontent.com/git/git/master/contrib/completion/git-prompt.sh
curl -O https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash

chmod 755 * 

ls -l $PWD/git*.* | awk '{print "source "$9}' >> $HOME/.bashrc

. ~/.bashrc