myhome/.config/nvim/plugged/bash-support.vim/bash-support/rc/customization.bashrc

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#-----------------------------------------------------------------------
# set Bash prompts
# PS4 shows the function name when execution is inside a function and
# the xtrace option is set.
#-----------------------------------------------------------------------
export PS2='continue> '
export PS3='choose: '
export PS4='|${BASH_SOURCE} ${LINENO}${FUNCNAME[0]:+ ${FUNCNAME[0]}()}| '