function we_are_in_git_work_tree {
git rev-parse --is-inside-work-tree &> /dev/null
}
function parse_git_branch {
if we_are_in_git_work_tree
then
local BR=$(git rev-parse --symbolic-full-name --abbrev-ref HEAD 2> /dev/null)
if [ "$BR" == HEAD ]
then
local NM=$(git name-rev --name-only HEAD 2> /dev/null)
if [ "$NM" != undefined ]
then echo -n "@$NM"
else git rev-parse --short HEAD 2> /dev/null
fi
else
echo -n $BR
fi
fi
}
function parse_git_status {
if we_are_in_git_work_tree
then
local ST=$(git status --short 2> /dev/null)
if [ -n "$ST" ]
then echo -n " + "
else echo -n " - "
fi
fi
}
function pwd_depth_limit_2 {
if [ "$PWD" = "$HOME" ]
then echo -n "~"
else pwd | sed -e "s|.*/\(.*/.*\)|\1|"
fi
}
COLBROWN="\[\033[1;33m\]"
COLRED="\[\033[1;31m\]"
COLCLEAR="\[\033[0m\]"
# Export all these for subshells
export -f parse_git_branch parse_git_status we_are_in_git_work_tree pwd_depth_limit_2
export PS1="$COLRED<$COLBROWN \$(pwd_depth_limit_2)$COLRED\$(parse_git_status)$COLBROWN\$(parse_git_branch) $COLRED>$COLCLEAR "
export TERM="xterm-color"
#!/bin/bash
set_prompt()
{
local last_cmd=$?
local txtreset='$(tput sgr0)'
local txtbold='$(tput bold)'
local txtblack='$(tput setaf 0)'
local txtred='$(tput setaf 1)'
local txtgreen='$(tput setaf 2)'
local txtyellow='$(tput setaf 3)'
local txtblue='$(tput setaf 4)'
local txtpurple='$(tput setaf 5)'
local txtcyan='$(tput setaf 6)'
local txtwhite='$(tput setaf 7)'
# unicode "✗"
local fancyx='\342\234\227'
# unicode "✓"
local checkmark='\342\234\223'
# Line 1: Full date + full time (24h)
# Line 2: current path
PS1="\[$txtbold\]\[$txtwhite\]\n\D{%A %d %B %Y %H:%M:%S}\n\[$txtgreen\]\w\n"
# User color: red for root, yellow for others
if [[ $EUID == 0 ]]; then
PS1+="\[$txtred\]"
else
PS1+="\[$txtyellow\]"
fi
# Line 3: user@host
PS1+="\u\[$txtwhite\]@\h\n"
# Line 4: a red "✗" or a green "✓" and the error number
if [[ $last_cmd == 0 ]]; then
PS1+="\[$txtgreen\]$checkmark \[$txtwhite\](0)"
else
PS1+="\[$txtred\]$fancyx \[$txtwhite\]($last_cmd)"
fi
# Line 4: green git branch
PS1+="\[$txtgreen\]$(__git_ps1 ' (%s)')\[$txtwhite\]"
# Line 4: good old prompt, $ for user, # for root
PS1+=" \\$ "
}
PROMPT_COMMAND='set_prompt'