129 lines
4.3 KiB
Bash
129 lines
4.3 KiB
Bash
# ------------------------------------------------------------------------------
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# Copyright (c) 2013-2022 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# Protected by the BSD3 license. Please read bellow for details.
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#
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# * Redistribution and use in source and binary forms,
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# * with or without modification, are permitted provided
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# * that the following conditions are met:
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# *
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# * Redistributions of source code must retain the above
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# * copyright notice, this list of conditions and the
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# * following disclaimer.
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# *
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# * Redistributions in binary form must reproduce the above
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# * copyright notice, this list of conditions and the following
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# * disclaimer in the documentation and/or other materials
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# * provided with the distribution.
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# *
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# * Neither the name of the copyright holder nor the names
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# * of any other contributors may be used to endorse or
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# * promote products derived from this software without
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# * specific prior written permission.
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# *
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# * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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# * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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# * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# * OF SUCH DAMAGE.
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# timer_* functions : internal timing function for prompt
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# ------------------------------------------------------------------------------
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function timer_now
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{
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date +%s%N
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}
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function timer_start
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{
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timer_start=${timer_start:-$(timer_now)}
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}
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function timer_stop
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{
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local delta_us=$((($(timer_now) - $timer_start) / 1000))
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local us=$((delta_us % 1000))
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local ms=$(((delta_us / 1000) % 1000))
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local s=$(((delta_us / 1000000) % 60))
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local m=$(((delta_us / 60000000) % 60))
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local h=$((delta_us / 3600000000))
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# Goal: always show around 3 digits of accuracy
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if ((h > 0)); then
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timer_show=${h}h${m}m
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elif ((m > 0)); then
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timer_show=${m}m${s}s
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elif ((s >= 10)); then
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timer_show=${s}.$((ms / 100))s
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elif ((s > 0)); then
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timer_show=${s}.$(printf %03d $ms)s
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elif ((ms >= 100)); then
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timer_show=${ms}ms
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elif ((ms > 0)); then
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timer_show=${ms}.$((us / 100))ms
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else
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timer_show=${us}us
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fi
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unset timer_start
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}
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# ------------------------------------------------------------------------------
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# Function triguered internaly by bash : defining prompt
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# ------------------------------------------------------------------------------
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set_prompt()
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{
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Last_Command=$? # Must come first!
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Blue='\[\e[0;34m\]'
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White='\[\e[01;37m\]'
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Yellow='\[\e[01;93m\]'
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Red='\[\e[01;31m\]'
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Green='\[\e[01;32m\]'
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OnGrey='\[\e[47m\]'
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OnRed='\[\e[41m\]'
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OnBlue='\[\e[44m\]'
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ICyan='\[\e[0;96m\]'
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Default='\[\e[00m\]'
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FancyX='\342\234\227'
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Checkmark='\342\234\223'
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# Begin with time
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PS1="\[\e[s$Blue$OnGrey [ \t ] $OnBlue"
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# Add a bright white exit status for the last command
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# If it was successful, print a green check mark. Otherwise, print
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# a red X.
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if [[ $Last_Command == 0 ]]; then
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PS1+="$White$OnBlue [ \$Last_Command "
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PS1+="$Green$Checkmark "
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else
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PS1+="$White$OnRed [ \$Last_Command "
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PS1+="$Yellow$FancyX "
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fi
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# Add the ellapsed time and current date
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timer_stop
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PS1+="($timer_show)$White ] $OnBlue "
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# If root, just print the host in red. Otherwise, print the current user
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# and host in green.
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if [[ $EUID -eq 0 ]]; then
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PS1+="$Red\\u$Green@\\h"
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else
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PS1+="$Green\\u@\\h"
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fi
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PS1+="\e[K\e[u$Default\n"
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# Print the working directory and prompt marker in blue, and reset
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# the text color to the default.
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PS1+="$ICyan\\w \\\$$Default "
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}
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# ------------------------------------------------------------------------------
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# EOF
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