302 lines
6.8 KiB
Bash
302 lines
6.8 KiB
Bash
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# shellcheck shell=bash
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# Brainy Bash Prompt for Bash-it
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# by MunifTanjim
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#############
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## Parsers ##
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#############
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____brainy_top_left_parse() {
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ifs_old="${IFS}"
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IFS="|"
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read -r -a args <<< "$@"
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IFS="${ifs_old}"
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if [ -n "${args[3]}" ]; then
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_TOP_LEFT+="${args[2]}${args[3]}"
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fi
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_TOP_LEFT+="${args[0]}${args[1]}"
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if [ -n "${args[4]}" ]; then
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_TOP_LEFT+="${args[2]}${args[4]}"
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fi
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_TOP_LEFT+=" "
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}
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____brainy_top_right_parse() {
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ifs_old="${IFS}"
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IFS="|"
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read -r -a args <<< "$@"
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IFS="${ifs_old}"
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_TOP_RIGHT+=" "
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if [ -n "${args[3]}" ]; then
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_TOP_RIGHT+="${args[2]}${args[3]}"
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fi
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_TOP_RIGHT+="${args[0]}${args[1]}"
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if [ -n "${args[4]}" ]; then
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_TOP_RIGHT+="${args[2]}${args[4]}"
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fi
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__TOP_RIGHT_LEN=$((__TOP_RIGHT_LEN + ${#args[1]} + ${#args[3]} + ${#args[4]} + 1))
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((__SEG_AT_RIGHT += 1))
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}
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____brainy_bottom_parse() {
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ifs_old="${IFS}"
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IFS="|"
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read -r -a args <<< "$@"
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IFS="${ifs_old}"
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_BOTTOM+="${args[0]}${args[1]}"
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[ ${#args[1]} -gt 0 ] && _BOTTOM+=" "
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}
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____brainy_top() {
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_TOP_LEFT=""
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_TOP_RIGHT=""
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__TOP_RIGHT_LEN=0
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__SEG_AT_RIGHT=0
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for seg in ${___BRAINY_TOP_LEFT}; do
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info="$(___brainy_prompt_"${seg}")"
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[ -n "${info}" ] && ____brainy_top_left_parse "${info}"
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done
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___cursor_right="\033[500C"
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_TOP_LEFT+="${___cursor_right}"
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for seg in ${___BRAINY_TOP_RIGHT}; do
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info="$(___brainy_prompt_"${seg}")"
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[ -n "${info}" ] && ____brainy_top_right_parse "${info}"
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done
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[ $__TOP_RIGHT_LEN -gt 0 ] && __TOP_RIGHT_LEN=$((__TOP_RIGHT_LEN - 1))
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___cursor_adjust="\033[${__TOP_RIGHT_LEN}D"
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_TOP_LEFT+="${___cursor_adjust}"
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printf "%s%s" "${_TOP_LEFT}" "${_TOP_RIGHT}"
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}
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____brainy_bottom() {
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_BOTTOM=""
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for seg in $___BRAINY_BOTTOM; do
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info="$(___brainy_prompt_"${seg}")"
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[ -n "${info}" ] && ____brainy_bottom_parse "${info}"
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done
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printf "\n%s" "${_BOTTOM}"
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}
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##############
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## Segments ##
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##############
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___brainy_prompt_user_info() {
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color=$bold_blue
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if [ "${THEME_SHOW_SUDO}" == "true" ]; then
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if sudo -vn 1> /dev/null 2>&1; then
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color=$bold_red
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fi
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fi
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box="[|]"
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info="\u@\H"
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if [ -n "${SSH_CLIENT}" ]; then
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printf "%s|%s|%s|%s" "${color}" "${info}" "${bold_white}" "${box}"
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else
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printf "%s|%s" "${color}" "${info}"
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fi
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}
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___brainy_prompt_dir() {
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color=$bold_yellow
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box="[|]"
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info="\w"
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printf "%s|%s|%s|%s" "${color}" "${info}" "${bold_white}" "${box}"
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}
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___brainy_prompt_scm() {
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[ "${THEME_SHOW_SCM}" != "true" ] && return
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color=$bold_green
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box="$(scm_char) "
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info="$(scm_prompt_info)"
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printf "%s|%s|%s|%s" "${color}" "${info}" "${bold_white}" "${box}"
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}
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___brainy_prompt_python() {
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[ "${THEME_SHOW_PYTHON}" != "true" ] && return
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color=$bold_yellow
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box="[|]"
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info="$(python_version_prompt)"
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printf "%s|%s|%s|%s" "${color}" "${info}" "${bold_blue}" "${box}"
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}
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___brainy_prompt_ruby() {
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[ "${THEME_SHOW_RUBY}" != "true" ] && return
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color=$bold_white
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box="[|]"
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info="rb-$(ruby_version_prompt)"
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printf "%s|%s|%s|%s" "${color}" "${info}" "${bold_red}" "${box}"
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}
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___brainy_prompt_todo() {
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[ "${THEME_SHOW_TODO}" != "true" ] \
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|| [ -z "$(which todo.sh)" ] && return
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color=$bold_white
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box="[|]"
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info="t:$(todo.sh ls | grep -E "TODO: [0-9]+ of ([0-9]+)" | awk '{ print $4 }')"
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printf "%s|%s|%s|%s" "${color}" "${info}" "${bold_green}" "${box}"
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}
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___brainy_prompt_clock() {
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[ "${THEME_SHOW_CLOCK}" != "true" ] && return
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color=$THEME_CLOCK_COLOR
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box="[|]"
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info="$(date +"${THEME_CLOCK_FORMAT}")"
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printf "%s|%s|%s|%s" "${color}" "${info}" "${bold_purple}" "${box}"
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}
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___brainy_prompt_battery() {
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! _command_exists battery_percentage \
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|| [ "${THEME_SHOW_BATTERY}" != "true" ] \
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|| [ "$(battery_percentage)" = "no" ] && return
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info=$(battery_percentage)
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color=$bold_green
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if [ "$info" -lt 50 ]; then
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color=$bold_yellow
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elif [ "$info" -lt 25 ]; then
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color=$bold_red
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fi
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box="[|]"
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ac_adapter_connected && charging="+"
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ac_adapter_disconnected && charging="-"
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info+=$charging
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[ "$info" == "100+" ] && info="AC"
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printf "%s|%s|%s|%s" "${color}" "${info}" "${bold_white}" "${box}"
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}
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___brainy_prompt_exitcode() {
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[ "${THEME_SHOW_EXITCODE}" != "true" ] && return
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color=$bold_purple
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[ "$exitcode" -ne 0 ] && printf "%s|%s" "${color}" "${exitcode}"
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}
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___brainy_prompt_char() {
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color=$bold_white
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prompt_char="${__BRAINY_PROMPT_CHAR_PS1}"
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printf "%s|%s" "${color}" "${prompt_char}"
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}
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#########
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## cli ##
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#########
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__brainy_show() {
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typeset _seg=${1:-}
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shift
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export "THEME_SHOW_${_seg}"=true
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}
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__brainy_hide() {
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typeset _seg=${1:-}
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shift
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export "THEME_SHOW_${_seg}"=false
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}
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_brainy_completion() {
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local cur _action actions segments
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COMPREPLY=()
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cur="${COMP_WORDS[COMP_CWORD]}"
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_action="${COMP_WORDS[1]}"
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actions="show hide"
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segments="battery clock exitcode python ruby scm sudo todo"
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case "${_action}" in
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show | hide)
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# shellcheck disable=SC2207
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COMPREPLY=($(compgen -W "${segments}" -- "${cur}"))
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return 0
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;;
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esac
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# shellcheck disable=SC2207
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COMPREPLY=($(compgen -W "${actions}" -- "${cur}"))
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return 0
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}
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brainy() {
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typeset action=${1:-}
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shift
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typeset segs=${*:-}
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typeset func
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case $action in
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show)
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func=__brainy_show
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;;
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hide)
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func=__brainy_hide
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;;
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esac
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for seg in ${segs}; do
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seg=$(printf "%s" "${seg}" | tr '[:lower:]' '[:upper:]')
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$func "${seg}"
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done
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}
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complete -F _brainy_completion brainy
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###############
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## Variables ##
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###############
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export SCM_THEME_PROMPT_PREFIX=""
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export SCM_THEME_PROMPT_SUFFIX=""
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export RBENV_THEME_PROMPT_PREFIX=""
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export RBENV_THEME_PROMPT_SUFFIX=""
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export RBFU_THEME_PROMPT_PREFIX=""
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export RBFU_THEME_PROMPT_SUFFIX=""
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export RVM_THEME_PROMPT_PREFIX=""
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export RVM_THEME_PROMPT_SUFFIX=""
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export VIRTUALENV_THEME_PROMPT_PREFIX=""
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export VIRTUALENV_THEME_PROMPT_SUFFIX=""
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export SCM_THEME_PROMPT_DIRTY=" ${bold_red}✗${normal}"
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export SCM_THEME_PROMPT_CLEAN=" ${bold_green}✓${normal}"
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THEME_SHOW_SUDO=${THEME_SHOW_SUDO:-"true"}
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THEME_SHOW_SCM=${THEME_SHOW_SCM:-"true"}
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THEME_SHOW_RUBY=${THEME_SHOW_RUBY:-"false"}
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THEME_SHOW_PYTHON=${THEME_SHOW_PYTHON:-"false"}
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THEME_SHOW_CLOCK=${THEME_SHOW_CLOCK:-"true"}
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THEME_SHOW_TODO=${THEME_SHOW_TODO:-"false"}
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THEME_SHOW_BATTERY=${THEME_SHOW_BATTERY:-"false"}
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THEME_SHOW_EXITCODE=${THEME_SHOW_EXITCODE:-"true"}
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THEME_CLOCK_COLOR=${THEME_CLOCK_COLOR:-"$bold_white"}
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THEME_CLOCK_FORMAT=${THEME_CLOCK_FORMAT:-"%H:%M:%S"}
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__BRAINY_PROMPT_CHAR_PS1=${THEME_PROMPT_CHAR_PS1:-">"}
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__BRAINY_PROMPT_CHAR_PS2=${THEME_PROMPT_CHAR_PS2:-"\\"}
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___BRAINY_TOP_LEFT=${___BRAINY_TOP_LEFT:-"user_info dir scm"}
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___BRAINY_TOP_RIGHT=${___BRAINY_TOP_RIGHT:-"python ruby todo clock battery"}
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___BRAINY_BOTTOM=${___BRAINY_BOTTOM:-"exitcode char"}
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############
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## Prompt ##
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############
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__brainy_ps1() {
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printf "%s%s%s" "$(____brainy_top)" "$(____brainy_bottom)" "${normal}"
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}
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__brainy_ps2() {
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color=$bold_white
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printf "%s%s%s" "${color}" "${__BRAINY_PROMPT_CHAR_PS2} " "${normal}"
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}
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_brainy_prompt() {
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exitcode="$?"
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PS1="$(__brainy_ps1)"
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PS2="$(__brainy_ps2)"
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}
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safe_append_prompt_command _brainy_prompt
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