git tab 自动补全

cp /usr/share/doc/git-1.7.1/contrib/completion/git-completion.bash  /etc/bash_completion.d/
echo "source /etc/bash_completion.d/git-completion.bash" >> /etc/bashrc
source ~/.bashrc
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原文地址：https://www.cnblogs.com/banwhui/p/4961315.html