Prompts

.bashrc

#! /usr/bin/env bash
# shellcheck disable=SC1090,SC1091

shopt -s histappend

mkjump() {
	mkdir -p "$1"
	cd "$1" || echo "Failed to cd into $1." && return 1
}

EDITOR="nano"
export EDITOR

HISTCONTROL="ignoredups"
export HISTCONTROL

HISTFILESIZE="100000"
export HISTFILESIZE

HISTSIZE="100000"
export HISTSIZE

PAGER="cat"
export PAGER

# This hack casuses a newline to be placed before each prompt, but only after
# the first initialisation.
# shellcheck disable=SC2089
PROMPT_COMMAND="history -a; export PROMPT_COMMAND=\"history -a; echo\""
# shellcheck disable=SC2090
export PROMPT_COMMAND

PS1="\[\e[m\]\[\e[34m\]┌──────[$([[ $EUID == 0 ]] && printf "\[\e[31m\]" || printf "\[\e[32m\]")\u\[\e[33m\]@$([[ $EUID == 0 ]] && printf "\[\e[31m\]" || printf "\[\e[32m\]")\h\[\e[34m\]]─[$([[ $EUID == 0 ]] && printf "\[\e[31m\]" || printf "\[\e[32m\]")\w\[\e[34m\]]\n\[\e[34m\]└── \[\e[33m\]\\$ \[\e[m\]"
export PS1

PS2="\[\e[m\]\[\e[33m\]> \[\e[m\]"
export PS2

# The complementary to the above hack which places a newline before each prompt.
alias clear='unset PROMPT_COMMAND; clear; PROMPT_COMMAND="history -a; export PROMPT_COMMAND=echo"'
alias e='emacs'
alias grep='grep --color=auto'
alias hgrep='history | grep'
alias ls='ls --color=auto'
alias ll='ls -lh'

case "$(hostname)" in
"cerus")
	update() {
		:
	}
	;;
esac

Environment Variables

PROMPT=┌──────[Diab Neiroukh@terrarium]─[$P]$_└── $$ 

Microsoft.PowerShell_profile.ps1

function Clear-Host {
	$env:pwshFirstPrompt = $true
	[System.Console]::Clear()
}

# The IIf function has been taken from https://stackoverflow.com/a/25682508.
function IIf ($If, $Then, $Else) {
	If ($If -IsNot "Boolean") {$_ = $If}
	If ($If) {If ($Then -is "ScriptBlock") {&$Then} Else {$Then}}
	Else {If ($Else -is "ScriptBlock") {&$Else} Else {$Else}}
}

function Prompt {
	$esc = [char]27
	$isAdmin = [Bool](New-Object Security.Principal.WindowsPrincipal ([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)
	$pwdWithTilde = (Get-Location) -Replace [Regex]::Escape($HOME), "~"

	Write-Host "$esc[m$esc[34m$(IIf ($env:pwshFirstPrompt -Eq $false) "`r`n┌" "┌")──────[$(IIf $isAdmin "$esc[31m" "$esc[32m")$env:UserName$esc[33m@$(IIf $isAdmin "$esc[31m" "$esc[32m")$([System.Net.Dns]::GetHostName())$esc[34m]─[$(IIf $isAdmin "$esc[31m" "$esc[32m")$pwdWithTilde$esc[34m]`r`n└── $esc[33m$(IIf $isAdmin '#' '$')$esc[m" -NoNewline

	$env:pwshFirstPrompt = $false

	return " "
}

if ($null -Eq $env:pwshFirstPrompt) {
	$env:pwshFirstPrompt = $true
}