105 lines
2.8 KiB
Bash
105 lines
2.8 KiB
Bash
#!/bin/sh
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#
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# 02-prompt.bash
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# bryson's gnarly bash prompt config
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#
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# color definitions
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black='\e[0;30m'
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BLACK='\e[1;30m'
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dgray='\e[0;90m'
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DGRAY='\e[1;90m'
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red='\e[0;31m'
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RED='\e[1;31m'
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lred='\e[0;91m'
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LRED='\e[1;91m'
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green='\e[0;32m'
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GREEN='\e[1;32m'
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lgreen='\e[0;92m'
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LGREEN='\e[1;92m'
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yellow='\e[0;33m'
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YELLOW='\e[1;33m'
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lyellow='\e[0;93m'
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LYELLOW='\e[1;93m'
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blue='\e[0;34m'
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BLUE='\e[1;34m'
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lblue='\e[0;94m'
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LBLUE='\e[1;94m'
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magenta='\e[0;35m'
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MAGENTA='\e[1;35m'
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lmagenta='\e[0;95m'
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LMAGENTA='\e[1;95m'
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cyan='\e[0;36m'
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CYAN='\e[1;36m'
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lcyan='\e[0;96m'
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LCYAN='\e[1;96m'
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lgray='\e[0;37m'
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LGRAY='\e[1;37m'
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NC='\e[0m' # No Color
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# 256color prompt variables
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color1='\e[38;5;39m'
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color2='\e[38;5;81m'
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color3='\e[38;5;77m'
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color4='\e[38;5;226m'
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# return exit code of last program if not 0
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function exit_code() {
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local ERROR="$?"
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if [[ ERROR -ne 0 ]]; then
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echo -n ' \['"$RED"'\]'"$ERROR"''
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fi
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}
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# get current git branch and status
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# http://www.opinionatedprogrammer.com/2011/01/colorful-bash-prompt-reflecting-git-status/
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function _git_prompt() {
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local git_status="`git status -unormal 2>&1`"
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if ! [[ "$git_status" =~ Not\ a\ git\ repo ]]; then
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if [[ "$git_status" =~ nothing\ to\ commit ]]; then
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local ansi=""
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local color="$lgreen"
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elif [[ "$git_status" =~ nothing\ added\ to\ commit\ but\ untracked\ files\ present ]]; then
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local ansi="!"
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local color="$lred"
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else
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local ansi="*"
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local color="$lyellow"
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fi
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if [[ "$git_status" =~ On\ branch\ ([^[:space:]]+) ]]; then
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branch=${BASH_REMATCH[1]}
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else
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# Detached HEAD. (branch=HEAD is a faster alternative.)
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branch="`git describe --all --contains --abbrev=4 HEAD 2> /dev/null ||
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echo local`"
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fi
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if ! [[ "$branch" =~ local ]]; then
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echo -n '\['"$color"'\] { git: '"$ansi"''"$branch"' } '
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fi
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fi
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}
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# prompt building
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# (2 unicode)[ bryson@hostname ] { /current/path }
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# (unicode) $
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#export _PS1="\[$dgray\]╭─[ \[$LGREEN\]\u\[$lgray\]@\[$YELLOW\]\h\[$dgray\] ] {\[$LBLUE\] \w\[$dgray\] } "
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#export _PS2="\[$dgray\]╰ "
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# same as above, no unicode
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#export _PS1="\[$dgray\][ \[$GREEN\]\u\[$lgray\]@\[$LRED\]\h\[$dgray\] ] { \[$LCYAN\]\w\[$dgray\] } "
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# bryson@hostname /current/path/ bash 10:00:00 PM
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#export _PS1="\[\e[1m$color1\]\u\[$color2\]@\[$color3\]\h \[$color4\]\w \[$color3\]\@ \[$color2\]\s "
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# [ bryson@hostname /current/path ]
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# $
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#export _PS1="\[$lgray\][ \[\e[1m$color1\]\u\[$color2\]@\[$color3\]\h \[$color4\]\w \[\e[0m$lgray\]]"
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export _PS1="\[\e[$lgray\][ \[$LBLUE\]\u\[$lcyan\]@\[$GREEN\]\h \[$LYELLOW\]\w \[$lgray\]]"
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export _PS2="\[$dgray\]"
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# define x titlebar
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TITLEBAR='\[\033]0;\u@\h:\w ($(history 1 | cut -c 8-))\]'
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# apply prompt and functions
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export PROMPT_COMMAND='export PS1="$TITLEBAR${_status}${_PS1}$(exit_code)$(_git_prompt)\n${_PS2}\[$NC\]\$ "'
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