Powerline Go用Go编写的低延迟Shell提示

go install github.com/justjanne/powerline-go@latest

function _update_ps1() {
    PS1="$($GOPATH/bin/powerline-go -error $? -jobs $(jobs -p | wc -l))"

    # Uncomment the following line to automatically clear errors after showing
    # them once. This not only clears the error for powerline-go, but also for
    # everything else you run in that shell. Don't enable this if you're not
    # sure this is what you want.

    #set "?"
}

if [ "$TERM" != "linux" ] && [ -f "$GOPATH/bin/powerline-go" ]; then
    PROMPT_COMMAND="_update_ps1; $PROMPT_COMMAND"
fi

function powerline_precmd() {
    PS1="$($GOPATH/bin/powerline-go -error $? -jobs ${${(%):%j}:-0})"

    # Uncomment the following line to automatically clear errors after showing
    # them once. This not only clears the error for powerline-go, but also for
    # everything else you run in that shell. Don't enable this if you're not
    # sure this is what you want.

    #set "?"
}

function install_powerline_precmd() {
  for s in "${precmd_functions[@]}"; do
    if [ "$s" = "powerline_precmd" ]; then
      return
    fi
  done
  precmd_functions+=(powerline_precmd)
}

if [ "$TERM" != "linux" ] && [ -f "$GOPATH/bin/powerline-go" ]; then
    install_powerline_precmd
fi

function fish_prompt
    eval $GOPATH/bin/powerline-go -error $status -jobs (count (jobs -p))
end