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################################################################################
# LIQUID PROMPT
# An intelligent and non intrusive prompt for bash and zsh
################################################################################
# Licensed under the AGPL version 3
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
###########
# AUTHORS #
###########
# nojhan <nojhan@gmail.com> # Main author.
# Aurelien Requiem <aurelien@requiem.fr> # Major clean refactoring, variable path length, error codes, several bugfixes.
# Joris Dedieu <joris@pontiac3.nfrance.com> # Portability framework, FreeBSD support, bugfixes.
# Ludovic Rousseau <ludovic.rousseau@gmail.com> # Lot of bugfixes.
# Yann 'Ze' Richard <ze@nbox.org> # Do not fail on missing commands.
# François Schmidts <fschmidts@olfeo.com> # Simpler SSH_IP acquiring method.
# Thomas Debesse <thomas.debesse@gmail.com> # Fix columns use.
# Florian Le Frioux <florian@lefrioux.fr> # Use ± mark when root in VCS dir.
# Luc Didry <luc@fiat-tux.fr> # Zsh port
# Olivier Mengué <dolmen@cpan.org> # Major optimizations on host parsing
# See the README.md file for a summary of features.
# Check for recent enough version of bash.
if test -n "$BASH_VERSION" -a -n "$PS1" -a -n "$TERM" ; then
bash=${BASH_VERSION%.*}; bmajor=${bash%.*}; bminor=${bash#*.}
if [[ $bmajor -lt 3 ]] || [[ $bmajor -eq 3 && $bminor -lt 2 ]]; then
unset bash bmajor bminor
return
fi
unset bash bmajor bminor
_LP_WORKING_SHELL=bash
_LP_OPEN_ESC="\["
_LP_CLOSE_ESC="\]"
_LP_USER_SYMBOL="\u"
_LP_HOST_SYMBOL="\h"
elif test -n "$ZSH_VERSION" ; then
_LP_WORKING_SHELL=zsh
_LP_OPEN_ESC="%{"
_LP_CLOSE_ESC="%}"
_LP_USER_SYMBOL="%n"
_LP_HOST_SYMBOL="%m"
else
echo "liquidprompt: shell not supported" >&2
return
fi
###############
# OS specific #
###############
# LP_OS detection, default to Linux
case $(uname) in
FreeBSD) LP_OS=FreeBSD ;;
DragonFly) LP_OS=FreeBSD ;;
Darwin) LP_OS=FreeBSD ;;
SunOS) LP_OS=SunOS ;;
*) LP_OS=Linux ;;
esac
# Colors declarations
if [[ "$LP_OS" == "FreeBSD" ]] ; then
BOLD="${_LP_OPEN_ESC}$(tput md)${_LP_CLOSE_ESC}"
BLACK="${_LP_OPEN_ESC}$(tput AF 0)${_LP_CLOSE_ESC}"
BOLD_GRAY="${_LP_OPEN_ESC}$(tput md ; tput AF 0)${_LP_CLOSE_ESC}"
WHITE="${_LP_OPEN_ESC}$(tput AF 7)${_LP_CLOSE_ESC}"
BOLD_WHITE="${_LP_OPEN_ESC}$(tput md ; tput AF 7)${_LP_CLOSE_ESC}"
RED="${_LP_OPEN_ESC}$(tput AF 1)${_LP_CLOSE_ESC}"
BOLD_RED="${_LP_OPEN_ESC}$(tput md ; tput AF 1)${_LP_CLOSE_ESC}"
WARN_RED="${_LP_OPEN_ESC}$(tput AF 0 ; tput setab 1)${_LP_CLOSE_ESC}"
CRIT_RED="${_LP_OPEN_ESC}$(tput md; tput AF 7 ; tput setab 1)${_LP_CLOSE_ESC}"
DANGER_RED="${_LP_OPEN_ESC}$(tput md; tput AF 3 ; tput setab 1)${_LP_CLOSE_ESC}"
GREEN="${_LP_OPEN_ESC}$(tput AF 2)${_LP_CLOSE_ESC}"
BOLD_GREEN="${_LP_OPEN_ESC}$(tput md ; tput AF 2)${_LP_CLOSE_ESC}"
YELLOW="${_LP_OPEN_ESC}$(tput AF 3)${_LP_CLOSE_ESC}"
BOLD_YELLOW="${_LP_OPEN_ESC}$(tput md ; tput AF 3)${_LP_CLOSE_ESC}"
BLUE="${_LP_OPEN_ESC}$(tput AF 4)${_LP_CLOSE_ESC}"
BOLD_BLUE="${_LP_OPEN_ESC}$(tput md ; tput AF 4)${_LP_CLOSE_ESC}"
PURPLE="${_LP_OPEN_ESC}$(tput AF 5)${_LP_CLOSE_ESC}"
PINK="${_LP_OPEN_ESC}$(tput md ; tput AF 5)${_LP_CLOSE_ESC}"
CYAN="${_LP_OPEN_ESC}$(tput AF 6)${_LP_CLOSE_ESC}"
BOLD_CYAN="${_LP_OPEN_ESC}$(tput md ; tput AF 6)${_LP_CLOSE_ESC}"
NO_COL="${_LP_OPEN_ESC}$(tput me)${_LP_CLOSE_ESC}"
else
# default to Linux
BOLD="${_LP_OPEN_ESC}$(tput bold)${_LP_CLOSE_ESC}"
BLACK="${_LP_OPEN_ESC}$(tput setaf 0)${_LP_CLOSE_ESC}"
BOLD_GRAY="${_LP_OPEN_ESC}$(tput bold ; tput setaf 0)${_LP_CLOSE_ESC}"
WHITE="${_LP_OPEN_ESC}$(tput setaf 7)${_LP_CLOSE_ESC}"
BOLD_WHITE="${_LP_OPEN_ESC}$(tput bold ; tput setaf 7)${_LP_CLOSE_ESC}"
RED="${_LP_OPEN_ESC}$(tput setaf 1)${_LP_CLOSE_ESC}"
BOLD_RED="${_LP_OPEN_ESC}$(tput bold ; tput setaf 1)${_LP_CLOSE_ESC}"
WARN_RED="${_LP_OPEN_ESC}$(tput setaf 0 ; tput setab 1)${_LP_CLOSE_ESC}"
CRIT_RED="${_LP_OPEN_ESC}$(tput bold; tput setaf 7 ; tput setab 1)${_LP_CLOSE_ESC}"
DANGER_RED="${_LP_OPEN_ESC}$(tput bold; tput setaf 3 ; tput setab 1)${_LP_CLOSE_ESC}"
GREEN="${_LP_OPEN_ESC}$(tput setaf 2)${_LP_CLOSE_ESC}"
BOLD_GREEN="${_LP_OPEN_ESC}$(tput bold ; tput setaf 2)${_LP_CLOSE_ESC}"
YELLOW="${_LP_OPEN_ESC}$(tput setaf 3)${_LP_CLOSE_ESC}"
BOLD_YELLOW="${_LP_OPEN_ESC}$(tput bold ; tput setaf 3)${_LP_CLOSE_ESC}"
BLUE="${_LP_OPEN_ESC}$(tput setaf 4)${_LP_CLOSE_ESC}"
BOLD_BLUE="${_LP_OPEN_ESC}$(tput bold ; tput setaf 4)${_LP_CLOSE_ESC}"
PURPLE="${_LP_OPEN_ESC}$(tput setaf 5)${_LP_CLOSE_ESC}"
PINK="${_LP_OPEN_ESC}$(tput bold ; tput setaf 5)${_LP_CLOSE_ESC}"
CYAN="${_LP_OPEN_ESC}$(tput setaf 6)${_LP_CLOSE_ESC}"
BOLD_CYAN="${_LP_OPEN_ESC}$(tput bold ; tput setaf 6)${_LP_CLOSE_ESC}"
NO_COL="${_LP_OPEN_ESC}$(tput sgr0)${_LP_CLOSE_ESC}"
fi
# Get cpu count
case "$LP_OS" in
Linux) _lp_CPUNUM=$( nproc 2>/dev/null || grep -c '^[Pp]rocessor' /proc/cpuinfo ) ;;
FreeBSD) _lp_CPUNUM=$( sysctl -n hw.ncpu ) ;;
SunOS) _lp_CPUNUM=$( kstat -m cpu_info | grep -c "module: cpu_info" ) ;;
esac
# get current load
case "$LP_OS" in
Linux)
_lp_cpu_load () {
local load eol
read load eol < /proc/loadavg
echo "$load"
}
;;
FreeBSD)
_lp_cpu_load () {
local bol load eol
read bol load eol < $<( LANG=C sysctl -n vm.loadavg )
echo "$load"
}
;;
SunOS)
_lp_cpu_load () {
LANG=C uptime | awk '{print substr($10,0,length($10))}'
}
esac
#################
# CONFIGURATION #
#################
# Note: configuration is called _after_ colors declarations, because of themes.
# Default values
LP_BATTERY_THRESHOLD=${LP_BATTERY_THRESHOLD:-75}
LP_LOAD_THRESHOLD=${LP_LOAD_THRESHOLD:-60}
LP_PATH_LENGTH=${LP_PATH_LENGTH:-35}
LP_PATH_KEEP=${LP_PATH_KEEP:-2}
LP_HOSTNAME_ALWAYS=${LP_HOSTNAME_ALWAYS:-0}
LP_PS1=${LP_PS1:-""}
LP_ENABLE_PERM=${LP_ENABLE_PERM:-1}
LP_ENABLE_SHORTEN_PATH=${LP_ENABLE_SHORTEN_PATH:-1}
LP_ENABLE_PROXY=${LP_ENABLE_PROXY:-1}
LP_ENABLE_JOBS=${LP_ENABLE_JOBS:-1}
LP_ENABLE_LOAD=${LP_ENABLE_LOAD:-1}
LP_ENABLE_BATT=${LP_ENABLE_BATT:-1}
LP_ENABLE_GIT=${LP_ENABLE_GIT:-1}
LP_ENABLE_SVN=${LP_ENABLE_SVN:-1}
LP_ENABLE_HG=${LP_ENABLE_HG:-1}
LP_MARK_BATTERY=${LP_MARK_BATTERY:-"⌁"}
LP_MARK_ADAPTER=${LP_MARK_ADAPTER:-"⏚"}
LP_MARK_LOAD=${LP_MARK_LOAD:-"⌂"}
LP_MARK_PROXY=${LP_MARK_PROXY:-"↥"}
LP_MARK_HG=${LP_MARK_HG:-"☿"}
LP_MARK_SVN=${LP_MARK_SVN:-"‡"}
LP_MARK_GIT=${LP_MARK_GIT:-"±"}
LP_MARK_UNTRACKED=${LP_MARK_UNTRACKED:-"*"}
LP_COLOR_PATH=${LP_COLOR_PATH:-$BOLD_WHITE}
LP_COLOR_PATH_ROOT=${LP_COLOR_PATH_ROOT:-$BOLD_YELLOW}
LP_COLOR_PROXY=${LP_COLOR_PROXY:-$BOLD_BLUE}
LP_COLOR_JOB_D=${LP_COLOR_JOB_D:-$YELLOW}
LP_COLOR_JOB_R=${LP_COLOR_JOB_R:-$BOLD_YELLOW}
LP_COLOR_JOB_Z=${LP_COLOR_JOB_Z:-$BOLD_YELLOW}
LP_COLOR_ERR=${LP_COLOR_ERR:-$PURPLE}
LP_COLOR_MARK=${LP_COLOR_MARK:-$BOLD_WHITE}
LP_COLOR_MARK_ROOT=${LP_COLOR_MARK_ROOT:-$BOLD_RED}
LP_COLOR_USER_LOGGED=${LP_COLOR_USER_LOGGED:-""}
LP_COLOR_USER_ALT=${LP_COLOR_USER_ALT:-$BOLD}
LP_COLOR_USER_ROOT=${_ROOT:-$BOLD_YELLOW}
LP_COLOR_HOST=${LP_COLOR_HOST:-""}
LP_COLOR_SSH=${LP_COLOR_SSH:-$BOLD_CYAN}
LP_COLOR_TELNET=${LP_COLOR_TELNET:-$WARN_RED}
LP_COLOR_WRITE=${LP_COLOR_WRITE:-$GREEN}
LP_COLOR_NOWRITE=${LP_COLOR_NOWRITE:-$RED}
LP_COLOR_UP=${LP_COLOR_UP:-$GREEN}
LP_COLOR_COMMITS=${LP_COLOR_COMMITS:-$YELLOW}
LP_COLOR_CHANGES=${LP_COLOR_CHANGES:-$RED}
LP_COLOR_DIFF=${LP_COLOR_DIFF:-$PURPLE}
LP_COLOR_CHARGING_ABOVE=${LP_COLOR_CHARGING_ABOVE:-$GREEN}
LP_COLOR_CHARGING_UNDER=${LP_COLOR_CHARGING_UNDER:-$YELLOW}
LP_COLOR_DISCHARGING_ABOVE=${LP_COLOR_DISCHARGING_ABOVE:-$YELLOW}
LP_COLOR_DISCHARGING_UNDER=${LP_COLOR_DISCHARGING_UNDER:-$RED}
LP_COLORMAP_0=${LP_COLORMAP_0:-""}
LP_COLORMAP_1=${LP_COLORMAP_1:-$GREEN}
LP_COLORMAP_2=${LP_COLORMAP_2:-$BOLD_GREEN}
LP_COLORMAP_3=${LP_COLORMAP_3:-$YELLOW}
LP_COLORMAP_4=${LP_COLORMAP_4:-$BOLD_YELLOW}
LP_COLORMAP_5=${LP_COLORMAP_5:-$RED}
LP_COLORMAP_6=${LP_COLORMAP_6:-$BOLD_RED}
LP_COLORMAP_7=${LP_COLORMAP_7:-$WARN_RED}
LP_COLORMAP_8=${LP_COLORMAP_8:-$CRIT_RED}
LP_COLORMAP_9=${LP_COLORMAP_9:-$DANGER_RED}
# Default config file may be the XDG standard ~/.config/liquidpromptrc,
# but heirloom dotfile has priority.
_lp_source_config()
{
local configfile
if [[ -f "/etc/liquidpromptrc" ]]
then
source "/etc/liquidpromptrc"
fi
if [[ -f "$HOME/.liquidpromptrc" ]]
then
configfile="$HOME/.liquidpromptrc"
elif [[ -z "$XDG_HOME_DIR" ]]
then
configfile="$HOME/.config/liquidpromptrc"
else
configfile="$XDG_HOME_DIR/liquidpromptrc"
fi
if [[ -f "$configfile" ]]
then
source "$configfile"
fi
}
# do source config files
_lp_source_config
# Disable features if the tool is not installed
[[ "$LP_ENABLE_GIT" = 1 ]] && { command -v git >/dev/null || LP_ENABLE_GIT=0 ; }
[[ "$LP_ENABLE_SVN" = 1 ]] && { command -v svn >/dev/null || LP_ENABLE_SVN=0 ; }
[[ "$LP_ENABLE_HG" = 1 ]] && { command -v hg >/dev/null || LP_ENABLE_HG=0 ; }
[[ "$LP_ENABLE_BATT" = 1 ]] && { command -v acpi >/dev/null || LP_ENABLE_BATT=0 ; }
###############
# Who are we? #
###############
# Yellow for root, bold if the user is not the login one, else no color.
_lp_user()
{
local user
# if user is not root
if [[ "$EUID" -ne "0" ]] ; then
# if user is not login user
if [[ ${USER} != "$(logname 2>/dev/null)" ]]; then
user="${LP_COLOR_USER_ALT}${_LP_USER_SYMBOL}${NO_COL}"
else
user="${LP_COLOR_USER_LOGGED}${_LP_USER_SYMBOL}${NO_COL}"
fi
else
user="${LP_COLOR_USER_ROOT}${_LP_USER_SYMBOL}${NO_COL}"
fi
echo -ne $user
}
#################
# Where are we? #
#################
_lp_connection()
{
if [[ -n "$SSH_CLIENT$SSH2_CLIENT" ]] ; then
echo ssh
else
# TODO check on *BSD
local sess_src=$(who am i | sed -n 's/.*(\(.*\))/\1/p')
if [[ -z "$sess_src" || "$sess_src" = :0.0 || "$sess_src" == :0 ]] ; then
echo lcl # Local
else
echo tel # Telnet
fi
fi
}
# Put the hostname if not locally connected
# color it in cyan within SSH, and a warning red if within telnet
# else diplay the host without color
# The connection is not expected to change from inside the shell, so we
# build this just once
case "$(_lp_connection)" in
lcl)
if [[ "$LP_HOSTNAME_ALWAYS" != 1 ]] ; then
LP_HOST="${NO_COL}" # no hostname if local
else
LP_HOST="${NO_COL}@${LP_COLOR_HOST}${_LP_HOST_SYMBOL}${NO_COL}"
fi
;;
ssh)
LP_HOST="${NO_COL}@${LP_COLOR_SSH}${_LP_HOST_SYMBOL}${NO_COL}"
;;
tel)
LP_HOST="${NO_COL}@${LP_COLOR_TELNET}${_LP_HOST_SYMBOL}${NO_COL}"
;;
*)
LP_HOST="${NO_COL}@${_LP_HOST_SYMBOL}" # defaults to no color
;;
esac
# Useless now, so undefine
unset _lp_connection
# put an arrow if an http proxy is set
_lp_proxy()
{
[[ "$LP_ENABLE_PROXY" != 1 ]] && return
if [[ ! -z "$http_proxy" ]] ; then
echo -ne $LP_MARK_PROXY
fi
}
# BASH/ZSH function that shortens
# a very long path for display by removing
# the left most parts and replacing them
# with a leading ...
#
# the first argument is the path
#
# the second argument is the maximum allowed
# length including the '/'s and ...
# http://hbfs.wordpress.com/2009/09/01/short-pwd-in-bash-prompts/
#
# + keep some left part of the path if asked
_lp_shorten_path()
{
if [[ "$LP_ENABLE_SHORTEN_PATH" != 1 ]] ; then
echo $(echo "$1" | sed -e "s|$HOME|~|")
return
fi
# the character that will replace the part of the path that is masked
local mask=""
# index of the directory to keep from the root (starts at 0 whith bash, 1 with zsh)
local keep=$((LP_PATH_KEEP-1))
if [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
keep=$LP_PATH_KEEP
fi
local len_percent=$2
local p=$(echo "$1" | sed -e "s|$HOME|~|")
local len="${#p}"
local max_len=$((${COLUMNS:-80}*$len_percent/100))
local mask_len="${#mask}"
local slashes=0
if [[ "$_LP_WORKING_SHELL" == "bash" ]]; then
if [[ "$len" -gt "$max_len" ]]
then
# finds all the '/' in
# the path and stores their
# positions
#
local pos=()
for ((i=0;i<len;i++))
do
if [[ "${p:i:1}" == "/" ]]
then
pos=(${pos[@]} $i)
slashes=$((${slashes}+1))
fi
done
pos=(${pos[@]} $len)
# we have the '/'s, let's find the
# left-most that doesn't break the
# length limit
#
local i=$keep
if [[ $keep > $slashes ]] ; then
i=$slashes
fi
while [[ "$((len-pos[i]))" -gt "$((max_len-mask_len))" ]]
do
i=$((i+1))
done
# let us check if it's OK to
# print the whole thing
#
if [[ "${pos[i]}" -eq "0" ]]
then
# the path is shorter than
# the maximum allowed length,
# so no need for ...
#
echo "$p"
elif [[ "${pos[i]}" = "$len" ]]
then
# constraints are broken because
# the maximum allowed size is smaller
# than the last part of the path, plus
# ' … '
#
echo "${p:0:((${pos[${keep}]}+1))}${mask}${p:((len-max_len+mask_len))}"
else
# constraints are satisfied, at least
# some parts of the path, plus ' … ', are
# shorter than the maximum allowed size
#
echo "${p:0:((${pos[${keep}]}+1))}${mask}${p:pos[i]}"
fi
else
echo "$p"
fi
elif [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
if [[ "$len" -gt "$max_len" ]]; then
echo "%-${keep}~%${max_len}<${mask}<%~%<<"
else
echo "%~"
fi
fi
}
# Display a ":"
# colored in green if user have write permission on the current directory
# colored in red if it have not.
_lp_permissions_color()
{
if [[ "$LP_ENABLE_PERM" != 1 ]]; then
echo : # without color
else
if [[ -w "${PWD}" ]]; then
echo "${LP_COLOR_WRITE}:${NO_COL}"
else
echo "${LP_COLOR_NOWRITE}:${NO_COL}"
fi
fi
}
################
# Related jobs #
################
# Either attached running jobs (started with $ myjob &)
# or attached stopped jobs (suspended with Ctrl-Z)
# or detached screens sessions running on the host
_lp_jobcount_color()
{
[[ "$LP_ENABLE_JOBS" != 1 ]] && return
local running=$(( $(jobs -r | wc -l) ))
local stopped=$(( $(jobs -s | wc -l) ))
local screens=$(screen -ls 2> /dev/null | grep -c Detach )
local m_detached="d"
local m_stop="z"
local m_run="&"
local rep
# d/&/z
if [[ $screens != "0" && $running != "0" && $stopped != "0" ]] ; then
rep="${NO_COL}${LP_COLOR_JOB_D}${screens}${m_detached}${NO_COL}/${LP_COLOR_JOB_R}${running}${m_run}${NO_COL}/${LP_COLOR_JOB_Z}${stopped}${m_stop}${NO_COL}"
# _/&/_
elif [[ $screens == "0" && $running != "0" && $stopped == "0" ]] ; then
rep="${NO_COL}${LP_COLOR_JOB_R}${running}${m_run}${NO_COL}"
# _/_/z
elif [[ $screens == "0" && $running == "0" && $stopped != "0" ]] ; then
rep="${NO_COL}${LP_COLOR_JOB_Z}${stopped}${m_stop}${NO_COL}"
# d/_/_
elif [[ $screens != "0" && $running == "0" && $stopped == "0" ]] ; then
rep="${NO_COL}${LP_COLOR_JOB_D}${screens}${m_detached}${NO_COL}"
# d/&/_
elif [[ $screens != "0" && $running != "0" && $stopped == "0" ]] ; then
rep="${NO_COL}${LP_COLOR_JOB_D}${screens}${m_detached}${NO_COL}/${LP_COLOR_JOB_R}${running}${m_run}${NO_COL}"
# d/_/z
elif [[ $screens != "0" && $running == "0" && $stopped != "0" ]] ; then
rep="${NO_COL}${LP_COLOR_JOB_D}${screens}${m_detached}${NO_COL}/${LP_COLOR_JOB_Z}${stopped}${m_stop}${NO_COL}"
# _/&/z
elif [[ $screens == "0" && $running != "0" && $stopped != "0" ]] ; then
rep="${NO_COL}${LP_COLOR_JOB_R}${running}${m_run}${NO_COL}/${LP_COLOR_JOB_Z}${stopped}${m_stop}${NO_COL}"
fi
echo -ne "$rep"
}
# Display the return value of the last command, if different from zero
_lp_return_value()
{
if [[ "$1" -ne "0" ]]
then
echo -ne "$1"
fi
}
######################
# VCS branch display #
######################
# GIT #
# Get the branch name of the current directory
_lp_git_branch()
{
[[ "$LP_ENABLE_GIT" != 1 ]] && return
if git rev-parse --git-dir >/dev/null 2>&1 && [[ ! -z "$(git branch)" ]] ; then
echo -n "$(git branch 2>/dev/null | sed -n '/^\*/s/^\* //p;')"
fi
}
# Set a color depending on the branch state:
# - green if the repository is up to date
# - yellow if there is some commits not pushed
# - red if there is changes to commit
#
# Add the number of pending commits and the impacted lines.
_lp_git_branch_color()
{
[[ "$LP_ENABLE_GIT" != 1 ]] && return
local branch
branch=$(_lp_git_branch)
if [[ ! -z "$branch" ]] ; then
local GD
git diff --quiet >/dev/null 2>&1
GD=$?
local GDC
git diff --cached --quiet >/dev/null 2>&1
GDC=$?
local has_untracked
has_untracked=$(git status 2>/dev/null | grep '\(# Untracked\)')
if [[ -z "$has_untracked" ]] ; then
has_untracked=""
else
has_untracked="$LP_MARK_UNTRACKED"
fi
local has_commit
has_commit=$(git rev-list --no-merges --count origin/${branch}..${branch} 2>/dev/null)
if [[ -z "$has_commit" ]] ; then
has_commit=0
fi
if [[ "$GD" -eq 1 || "$GDC" -eq "1" ]] ; then
local has_line
has_lines=$(git diff --numstat | awk 'NF==3 {plus+=$1; minus+=$2} END {printf("+%d/-%d\n", plus, minus)}')
if [[ "$has_commit" -gt "0" ]] ; then
# Changes to commit and commits to push
ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_DIFF}$has_lines${NO_COL},${LP_COLOR_COMMITS}$has_commit${NO_COL})${LP_COLOR_CHANGES}${has_untracked}${NO_COL}"
else
ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_DIFF}$has_lines${NO_COL})${LP_COLOR_CHANGES}${has_untracked}${NO_COL}" # changes to commit
fi
else
if [[ "$has_commit" -gt "0" ]] ; then
# some commit(s) to push
ret="${LP_COLOR_COMMITS}${branch}${NO_COL}(${LP_COLOR_COMMITS}$has_commit${NO_COL})${LP_COLOR_COMMITS}${has_untracked}${NO_COL}"
else
ret="${LP_COLOR_UP}${branch}${has_untracked}${NO_COL}" # nothing to commit or push
fi
fi
echo -ne "$ret"
fi
}
# MERCURIAL #
# Get the branch name of the current directory
_lp_hg_branch()
{
[[ "$LP_ENABLE_HG" != 1 ]] && return
local branch
branch="$(hg branch 2>/dev/null)"
if [[ $? -eq 0 ]] && [[ ! -z "$(hg branch)" ]] ; then
echo -n "$(hg branch)"
fi
}
# Set a color depending on the branch state:
# - green if the repository is up to date
# - red if there is changes to commit
# - TODO: yellow if there is some commits not pushed
_lp_hg_branch_color()
{
[[ "$LP_ENABLE_HG" != 1 ]] && return
local branch
local ret
branch=$(_lp_hg_branch)
if [[ ! -z "$branch" ]] ; then
if [[ $(( $(hg status --quiet -n | wc -l) )) = 0 ]] ; then
ret="${LP_COLOR_UP}${branch}${NO_COL}"
else
ret="${LP_COLOR_CHANGES}${branch}${NO_COL}" # changes to commit
fi
echo -ne "$ret"
fi
}
# SUBVERSION #
# Get the branch name of the current directory
# For the first level of the repository, gives the repository name
_lp_svn_branch()
{
[[ "$LP_ENABLE_SVN" != 1 ]] && return
local infos
local ret
infos=$(svn info --xml 2>/dev/null)
ret=$?
if [[ $ret -eq 0 ]] ; then
local root
root=$(echo "$infos" | awk -v FS=">|</" '/^<root>/ { print $2 }')
local subrep
subrep=$(echo "$infos" | awk -v FS=">|</" '/^<url>/ { print $2 }')
if [[ "$subrep" == *"url>"* ]] ; then
echo -n $root
else
local branch
branch=$(basename $subrep)
echo -n $branch
fi
fi
}
# Set a color depending on the branch state:
# - green if the repository is up to date
# - red if there is changes to commit
# Note that, due to subversion way of managing changes,
# informations are only displayed for the CURRENT directory.
_lp_svn_branch_color()
{
[[ "$LP_ENABLE_SVN" != 1 ]] && return
local branch
branch=$(_lp_svn_branch)
if [[ ! -z "$branch" ]] ; then
local commits
commits=$(( $(svn status | grep -v "?" -c) ))
if [[ $commits = 0 ]] ; then
local ret
ret="${LP_COLOR_UP}${branch}${NO_COL}"
else
ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_COMMITS}$commits${NO_COL})" # changes to commit
fi
echo -ne "$ret"
fi
}
##################
# Battery status #
##################
# Get the battery status in percent
# returns 0 (and battery level) if battery is discharging and under threshold
# returns 1 (and battery level) if battery is discharging and above threshold
# returns 2 (and battery level) if battery is charging but under threshold
# returns 3 (and battery level) if battery is charging and above threshold
# returns 4 if no battery support
_lp_battery()
{
[[ "$LP_ENABLE_BATT" != 1 ]] && return
local acpi
acpi="$(acpi --battery 2>/dev/null)"
local bat
bat=$( echo $acpi | sed "s/^Battery .*, \([0-9]*\)%.*$/\1/")
if [[ -z "${bat}" ]] ; then
# not battery level found
return 4
# discharging
elif [[ "$acpi" == *"Discharging"* ]] ; then
if [[ ${bat} -le $LP_BATTERY_THRESHOLD ]] ; then
# under threshold
echo -n "${bat}"
return 0
else
# above threshold
echo -n "${bat}"
return 1
fi
# charging
else
if [[ ${bat} -le $LP_BATTERY_THRESHOLD ]] ; then
# under threshold
echo -n "${bat}"
return 2
else
# above threshold
echo -n "${bat}"
return 3
fi
fi
}
# Compute a gradient of background/foreground colors depending on the battery status
# Display:
# a green ⏚ if the battery is charging and above threshold
# a yellow ⏚ if the battery is charging and under threshold
# a yellow ⌁ if the battery is discharging but above threshold
# a red ⌁ if the battery is discharging and above threshold
_lp_battery_color()
{
[[ "$LP_ENABLE_BATT" != 1 ]] && return
local mark=$LP_BATTERY_MARK
local chargingmark=$LP_ADAPTER_MARK
local bat
local ret
bat=$(_lp_battery)
ret=$?
if [[ $ret == 4 || $bat == 100 ]] ; then
# no battery support or battery full: nothing displayed
return
elif [[ $ret == 3 && $bat != 100 ]] ; then
# charging and above threshold and not 100%
# green ⏚
echo -ne "${LP_COLOR_CHARGING_ABOVE}$chargingmark${NO_COL}"
return
elif [[ $ret == 2 ]] ; then
# charging but under threshold
# yellow ⏚
echo -ne "${LP_COLOR_CHARGING_UNDER}$chargingmark${NO_COL}"
return
elif [[ $ret == 1 ]] ; then
# discharging but above threshold
# yellow ⌁
echo -ne "${LP_COLOR_DISCHARGING_ABOVE}$mark${NO_COL}"
return
# discharging and under threshold
elif [[ "$bat" != "" ]] ; then
local ret
ret="${LP_COLOR_DISCHARGING_UNDER}${mark}${NO_COL}"
if [[ ${bat} -le 100 ]] && [[ ${bat} -gt 80 ]] ; then # -20
ret="${ret}${LP_COLORMAP_1}"
elif [[ ${bat} -le 80 ]] && [[ ${bat} -gt 65 ]] ; then # -15
ret="${ret}${LP_COLORMAP_2}"
elif [[ ${bat} -le 65 ]] && [[ ${bat} -gt 50 ]] ; then # -15
ret="${ret}${LP_COLORMAP_3}"
elif [[ ${bat} -le 50 ]] && [[ ${bat} -gt 40 ]] ; then # -10
ret="${ret}${LP_COLORMAP_4}"
elif [[ ${bat} -le 40 ]] && [[ ${bat} -gt 30 ]] ; then # …
ret="${ret}${LP_COLORMAP_5}"
elif [[ ${bat} -le 30 ]] && [[ ${bat} -gt 20 ]] ; then
ret="${ret}${LP_COLORMAP_6}"
elif [[ ${bat} -le 20 ]] && [[ ${bat} -gt 10 ]] ; then
ret="${ret}${LP_COLORMAP_7}"
elif [[ ${bat} -le 10 ]] && [[ ${bat} -gt 5 ]] ; then
ret="${ret}${LP_COLORMAP_8}"
elif [[ ${bat} -le 5 ]] && [[ ${bat} -gt 0 ]] ; then
ret="${ret}${LP_COLORMAP_9}"
else
# for debugging purpose
ret="${ret}${LP_COLORMAP_0}"
fi
if [[ "$_LP_WORKING_SHELL" == "bash" ]]; then
echo -ne "${ret}${bat}%${NO_COL}"
elif [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
echo -ne "${ret}${bat}%%${NO_COL}"
fi
fi
}
###############
# System load #
###############
# Compute a gradient of background/forground colors depending on the battery status
_lp_load_color()
{
# Colour progression is important ...
# bold gray -> bold green -> bold yellow -> bold red ->
# black on red -> bold white on red
#
# Then we have to choose the values at which the colours switch, with
# anything past yellow being pretty important.
[[ "$LP_ENABLE_LOAD" != 1 ]] && return
local load
load="$(_lp_cpu_load | sed 's/\.//g;s/^0*//g' )"
let "load=${load:-0}/$_lp_CPUNUM"
if [[ $load -ge $LP_LOAD_THRESHOLD ]]
then
local ret
ret="${LP_MARK_LOAD}${NO_COL}"
if [[ $load -ge 0 ]] && [[ $load -lt 20 ]] ; then
ret="${ret}${LP_COLORMAP_0}"
elif [[ $load -ge 20 ]] && [[ $load -lt 40 ]] ; then
ret="${ret}${LP_COLORMAP_1}"
elif [[ $load -ge 40 ]] && [[ $load -lt 60 ]] ; then
ret="${ret}${LP_COLORMAP_2}"
elif [[ $load -ge 60 ]] && [[ $load -lt 80 ]] ; then
ret="${ret}${LP_COLORMAP_3}"
elif [[ $load -ge 80 ]] && [[ $load -lt 100 ]] ; then
ret="${ret}${LP_COLORMAP_4}"
elif [[ $load -ge 100 ]] && [[ $load -lt 120 ]] ; then
ret="${ret}${LP_COLORMAP_5}"
elif [[ $load -ge 120 ]] && [[ $load -lt 140 ]] ; then
ret="${ret}${LP_COLORMAP_6}"
elif [[ $load -ge 140 ]] && [[ $load -lt 160 ]] ; then
ret="${ret}${LP_COLORMAP_7}"
elif [[ $load -ge 160 ]] && [[ $load -lt 180 ]] ; then
ret="${ret}${LP_COLORMAP_8}"
elif [[ $load -ge 180 ]] ; then
ret="${ret}${LP_COLORMAP_9}"
else
ret="${ret}${LP_COLORMAP_0}"
fi
if [[ "$_LP_WORKING_SHELL" == "bash" ]]; then
ret="${ret}$load%${NO_COL}"
elif [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
ret="${ret}$load%%${NO_COL}"
fi
echo -ne "${ret}"
fi
}
##########
# DESIGN #
##########
# Set the prompt mark to ± if git, to ☿ if mercurial, to ‡ if subversion
# to # if root and else $
_lp_smart_mark()
{
local COL
COL=${LP_COLOR_MARK}
if [[ "$EUID" -eq "0" ]] ; then
COL=${LP_COLOR_MARK_ROOT}
fi
local mark
mark="\\\$"
if [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
mark="%(!.#.%%)"
fi
if [[ ! -z $(_lp_git_branch) ]] ; then
mark=$LP_MARK_GIT
elif [[ ! -z $(_lp_hg_branch) ]] ; then
mark=$LP_MARK_HG
elif [[ ! -z $(_lp_svn_branch) ]] ; then
mark=$LP_MARK_SVN
fi
echo -ne "${COL}${mark}${NO_COL}"
}
# insert a space on the right
_lp_sr()
{
if [[ ! -z "$1" ]] ; then
echo -n "$1 "
fi
}
# insert a space on the left
_lp_sl()
{
if [[ ! -z "$1" ]] ; then
echo -n " $1"
fi
}
# insert two space, before and after
_lp_sb()
{
if [[ ! -z "$1" ]] ; then
echo -n " $1 "
fi
}
########################
# Construct the prompt #
########################
_lp_set_prompt()
{
# as this get the last returned code, it should be called first
LP_ERR="${LP_COLOR_ERR}$(_lp_sl $(_lp_return_value $?))${NO_COL}"
# execute the old prompt
$LP_OLD_PROMPT_COMMAND
# left of main prompt: space at right
LP_JOBS=$(_lp_sr "$(_lp_jobcount_color)")
LP_LOAD=$(_lp_sr "$(_lp_load_color)")
LP_BATT=$(_lp_sr "$(_lp_battery_color)")
# in main prompt: no space
LP_USER=$(_lp_user)
# LP_HOST is a global set at load time
LP_PERM=$(_lp_permissions_color)
LP_PWD=$(_lp_shorten_path "$PWD" $LP_PATH_LENGTH)
LP_PROXY="${LP_COLOR_PROXY}$(_lp_proxy)${NO_COL}"
# right of main prompt: space at left
LP_GIT=$(_lp_sl "$(_lp_git_branch_color)")
LP_HG=$(_lp_sl "$(_lp_hg_branch_color)")
LP_SVN=$(_lp_sl "$(_lp_svn_branch_color)")
# end of the prompt line: double spaces
LP_MARK=$(_lp_sb "$(_lp_smart_mark)")
# Different path color if root
if [[ "$EUID" -ne "0" ]] ; then
LP_PWD="${LP_COLOR_PATH}${LP_PWD}${NO_COL}"
else
LP_PWD="${LP_COLOR_PATH_ROOT}${LP_PWD}${NO_COL}"
fi
if [[ -z $LP_PS1 ]] ; then
# add jobs, load and battery
PS1="${LP_BATT}${LP_LOAD}${LP_JOBS}"
# add user, host and permissions colon
PS1="${PS1}[${LP_USER}${LP_HOST}${LP_PERM}"
# if not root
if [[ "$EUID" -ne "0" ]]
then
# path in foreground color
PS1="${PS1}${LP_PWD}]${LP_PROXY}"
# add VCS infos
PS1="${PS1}${LP_GIT}${LP_HG}${LP_SVN}"
else
# path in yellow
PS1="${PS1}${LP_PWD}]${LP_PROXY}"
# do not add VCS infos
fi
# add return code and prompt mark
PS1="${PS1}${LP_ERR}${LP_MARK}"
# Glue the bash prompt always go to the first column.
# Avoid glitches after interrupting a command with Ctrl-C
# Does not seem to be necessary anymore?
#PS1="\[\033[G\]${PS1}${NO_COL}"
else
PS1=$LP_PS1
fi
}
# Activate the liquid prompt
prompt_on()
{
# if liquidprompt has not been already set
if [[ -z "$LP_LIQUIDPROMPT" ]] ; then
LP_OLD_PS1="$PS1"
if [[ "$_LP_WORKING_SHELL" == "bash" ]]; then
LP_OLD_PROMPT_COMMAND="$PROMPT_COMMAND"
elif [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
LP_OLD_PROMPT_COMMAND="$precmd"
fi
fi
if [[ "$_LP_WORKING_SHELL" == "bash" ]]; then
PROMPT_COMMAND=_lp_set_prompt
elif [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
function precmd {
_lp_set_prompt
}
fi
# Keep in mind that LP has been sourced
# (to avoid recursive prompt command).
LP_LIQUIDPROMPT=1
}
# Come back to the old prompt
prompt_off()
{
PS1=$LP_OLD_PS1
if [[ "$_LP_WORKING_SHELL" == "bash" ]]; then
PROMPT_COMMAND=$LP_OLD_PROMPT_COMMAND
elif [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
precmd=$LP_OLD_PROMPT_COMMAND
fi
}
# Use an empty prompt: just the \$ mark
prompt_OFF()
{
PS1="\$ "
if [[ "$_LP_WORKING_SHELL" == "bash" ]]; then
PROMPT_COMMAND=$LP_OLD_PROMPT_COMMAND
elif [[ "$_LP_WORKING_SHELL" == "zsh" ]]; then
precmd=$LP_OLD_PROMPT_COMMAND
fi
}
# By default, sourcing liquidprompt.bash will activate the liquid prompt
prompt_on
# Cleaning of variable that are not needed at runtime
unset LP_OS
# vim: set et sts=4 sw=4 tw=120 ft=sh:
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