From 6ee3e22b461caca83ee6e23260b37f54da4133b9 Mon Sep 17 00:00:00 2001
From: TKE <tobias.kessels@certbw.de>
Date: Mon, 14 Nov 2022 13:50:29 +0100
Subject: [PATCH] Reworked BASH-Prompt

---
 config/bash_aliases |  5 +++-
 config/bash_prompt  | 72 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 config/bash_prompt

diff --git a/config/bash_aliases b/config/bash_aliases
index 3f78929..0fb94b9 100644
--- a/config/bash_aliases
+++ b/config/bash_aliases
@@ -1,8 +1,11 @@
-PS1='\[\033[44;37m\]'$(printf '_%.0s' $(seq 1 $(tput cols)))'\[\033[1;0m\]\r\n\t \w :\n\$ '
+PS1='\[\033]0;\u - \w\007\]\[\033[44;37m\]'$(printf '_%.0s' $(seq 1 $(tput cols)))'\[\033[1;0m\]\r\n\t \w :\n\$ '
+[[ -f ~/.bash_prompt ]] && . ~/.bash_prompt
 alias mv="mv -vi"
 alias cp="cp -vi"
 alias '+'='pushd .'
 alias -- '-'='popd'
+alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'
+alias pushalert='pushover --title "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'
 [[ -f ~/.shell_aliases ]] && . ~/.shell_aliases
 [[ -f ~/.config/z.sh ]] && . ~/.config/z.sh
 [[ -f ~/.oh-my-zsh/plugins/z/z.sh ]] && . ~/.oh-my-zsh/plugins/z/z.sh && set $_Z_OWNER=$(whoami)
diff --git a/config/bash_prompt b/config/bash_prompt
new file mode 100644
index 0000000..6670e58
--- /dev/null
+++ b/config/bash_prompt
@@ -0,0 +1,72 @@
+bash_prompt_command() {
+    # How many characters of the $PWD should be kept
+    local pwdmaxlen=$(( ${COLUMNS} - 11 ))
+    # Indicate that there has been dir truncation
+    local trunc_symbol="…"
+    local dir=${PWD##*/}
+    pwdmaxlen=$(( ( pwdmaxlen < ${#dir} ) ? ${#dir} : pwdmaxlen ))
+    NEW_PWD=${PWD/#$HOME/\~}
+    NEW_BAR="$(printf ' %.0s' $(seq 1 $COLUMNS))"
+    local pwdoffset=$(( ${#NEW_PWD} - pwdmaxlen ))
+    if [ ${pwdoffset} -gt "0" ]
+    then
+        NEW_PWD=${NEW_PWD:$pwdoffset:$pwdmaxlen}
+        NEW_PWD=${trunc_symbol}/${NEW_PWD#*/}
+    fi
+}
+
+bash_prompt() {
+    case $TERM in
+     xterm*|rxvt*)
+         local TITLEBAR='\[\033]0;\u:${NEW_PWD}\007\]'
+          ;;
+     *)
+         local TITLEBAR=""
+          ;;
+    esac
+    local NONE="\[\033[0m\]"    # unsets color to term's fg color
+    
+    # regular colors
+    local K="\[\033[0;30m\]"    # black
+    local R="\[\033[0;31m\]"    # red
+    local G="\[\033[0;32m\]"    # green
+    local Y="\[\033[0;33m\]"    # yellow
+    local B="\[\033[0;34m\]"    # blue
+    local M="\[\033[0;35m\]"    # magenta
+    local C="\[\033[0;36m\]"    # cyan
+    local W="\[\033[0;37m\]"    # white
+    
+    # emphasized (bolded) colors
+    local EMK="\[\033[1;30m\]"
+    local EMR="\[\033[1;31m\]"
+    local EMG="\[\033[1;32m\]"
+    local EMY="\[\033[1;33m\]"
+    local EMB="\[\033[1;34m\]"
+    local EMM="\[\033[1;35m\]"
+    local EMC="\[\033[1;36m\]"
+    local EMW="\[\033[1;37m\]"
+    
+    # background colors
+    local BGK="\[\033[40m\]"
+    local BGR="\[\033[41m\]"
+    local BGG="\[\033[42m\]"
+    local BGY="\[\033[43m\]"
+    local BGB="\[\033[44m\]"
+    local BGM="\[\033[45m\]"
+    local BGC="\[\033[46m\]"
+    local BGW="\[\033[47m\]"
+    
+    local BAR_ON="\[\033[4;44;37m\]"
+    local BAR_OFF="\[\033[1;0m\]"
+    local UC=$W                 # user's color
+    [ $UID -eq "0" ] && UC=$R   # root's color
+    
+    PS1="${TITLEBAR}${BAR_ON}\${NEW_BAR}${BAR_OFF}\r\n\t  ${EMY}\${NEW_PWD}${EMK}]${UC}\n\\$ ${NONE}"
+    #PS1="${TITLEBAR}${BAR_ON}$(printf '_%.0s' $(seq 1 $(tput cols)))${BAR_OFF}\r\n ${NEW_PWD} :\n\$ "
+    #PS1='\[\033]0;\u - \w\007\]\[\033[44;37m\]'$(printf '_%.0s' $(seq 1 $(tput cols)))'\[\033[1;0m\]\r\n\t \w :\n\$ '
+    # without colors: PS1="[\u@\h \${NEW_PWD}]\\$ "
+    # extra backslash in front of \$ to make bash colorize the prompt
+}
+PROMPT_COMMAND=bash_prompt_command
+bash_prompt
+unset bash_prompt