常用简写：
alias ga='git add'
alias gb='git branch'
alias gba='git branch -a'
alias gbd='git branch -d'
alias gcam='git commit -a -m'
alias gcb='git checkout -b'
alias gco='git checkout'
alias gcp='git cherry-pick'
alias gd='git diff'
alias gfo='git fetch origin'
alias ggpush='git push origin $(git_current_branch)'
alias ggsup='git branch --set-upstream-to=origin/$(git_current_branch)'
alias glgp='git log --stat -p'
alias gm='git merge'
alias gl='git pull'
alias gp='git push'
alias gst='git status'
alias gsta='git stash save'
alias gstp='git stash pop'
参考：
https://github.com/ohmyzsh/ohmyzsh/blob/master/plugins/git/git.plugin.zsh
