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.liquidprompt
executable file
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.liquidprompt
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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 #
###########
# Alex Prengère <[email protected]> # untracked git files
# Aurelien Requiem <[email protected]> # Major clean refactoring, variable path length, error codes, several bugfixes.
# Brendan Fahy <[email protected]> # postfix variable
# Clément Mathieu <[email protected]> # Bazaar support
# David Loureiro <[email protected]> # small portability fix
# Étienne Deparis <[email protected]> # Fossil support
# Florian Le Frioux <[email protected]> # Use ± mark when root in VCS dir.
# François Schmidts <[email protected]> # small code fix, _lp_get_dirtrim
# Frédéric Lepied <[email protected]> # Python virtual env
# Jonas Bengtsson <[email protected]> # Git remotes fix
# Joris Dedieu <[email protected]> # Portability framework, FreeBSD support, bugfixes.
# Joris Vaillant <[email protected]> # small git fix
# Luc Didry <[email protected]> # Zsh port, several fix
# Ludovic Rousseau <[email protected]> # Lot of bugfixes.
# Nicolas Lacourte <[email protected]> # screen title
# nojhan <[email protected]> # Main author.
# Olivier Mengué <[email protected]> # Major optimizations and refactorings everywhere.
# Poil <[email protected]> # speed improvements
# Thomas Debesse <[email protected]> # Fix columns use.
# Yann 'Ze' Richard <[email protected]> # Do not fail on missing commands.
# 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_SHELL_bash=true
_LP_SHELL_zsh=false
_LP_OPEN_ESC="\["
_LP_CLOSE_ESC="\]"
_LP_USER_SYMBOL="\u"
_LP_HOST_SYMBOL="\h"
_LP_TIME_SYMBOL="\t"
elif test -n "$ZSH_VERSION" ; then
_LP_SHELL_bash=false
_LP_SHELL_zsh=true
_LP_OPEN_ESC="%{"
_LP_CLOSE_ESC="%}"
_LP_USER_SYMBOL="%n"
_LP_HOST_SYMBOL="%m"
_LP_TIME_SYMBOL="%*"
else
echo "liquidprompt: shell not supported" >&2
return
fi
###############
# OS specific #
###############
# LP_OS detection, default to Linux
case $(uname) in
FreeBSD) LP_OS=FreeBSD ;;
DragonFly) LP_OS=FreeBSD ;;
Darwin) LP_OS=Darwin ;;
SunOS) LP_OS=SunOS ;;
*) LP_OS=Linux ;;
esac
# Get cpu count
case "$LP_OS" in
Linux) _lp_CPUNUM=$( nproc 2>/dev/null || grep -c '^[Pp]rocessor' /proc/cpuinfo ) ;;
FreeBSD|Darwin) _lp_CPUNUM=$( 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"
}
;;
Darwin)
_lp_cpu_load () {
local load
load=$(LANG=C sysctl -n vm.loadavg | awk '{print $2}')
echo "$load"
}
LP_DWIN_KERNEL_REL_VER=$(uname -r | cut -d . -f 1)
;;
SunOS)
_lp_cpu_load () {
LANG=C uptime | awk '{print substr($10,0,length($10))}'
}
esac
#################
# CONFIGURATION #
#################
# The following code is run just once. But it is encapsulated in a function
# to benefit of 'local' variables.
#
# What we do here:
# 1. Setup variables that can be used by the user: the "API" of liquidprompt
# for config/theme. Those variables are local to the function.
# In practice, this is only color variables.
# 2. Setup default values
# 3. Load the configuration
_lp_source_config()
{
# TermInfo feature detection
local ti_sgr0="$( { tput sgr0 || tput me ; } 2>/dev/null )"
local ti_bold="$( { tput bold || tput md ; } 2>/dev/null )"
local ti_setaf
if tput setaf >/dev/null 2>&1 ; then
ti_setaf () { tput setaf "$1" ; }
elif tput AF >/dev/null 2>&1 ; then
# *BSD
ti_setaf () { tput AF "$1" ; }
else
echo "liquidprompt: terminal $TERM not supported" >&2
ti_setaf () { : ; }
fi
# Colors: variables are local so they will have a value only
# during config loading and will not conflict with other values
# with the same names defined by the user outside the config.
local BOLD="${_LP_OPEN_ESC}${ti_bold}${_LP_CLOSE_ESC}"
local BLACK="${_LP_OPEN_ESC}$(ti_setaf 0)${_LP_CLOSE_ESC}"
local BOLD_GRAY="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 0)${_LP_CLOSE_ESC}"
local WHITE="${_LP_OPEN_ESC}$(ti_setaf 7)${_LP_CLOSE_ESC}"
local BOLD_WHITE="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 7)${_LP_CLOSE_ESC}"
local RED="${_LP_OPEN_ESC}$(ti_setaf 1)${_LP_CLOSE_ESC}"
local BOLD_RED="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 1)${_LP_CLOSE_ESC}"
local WARN_RED="${_LP_OPEN_ESC}$(ti_setaf 0 ; tput setab 1)${_LP_CLOSE_ESC}"
local CRIT_RED="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 7 ; tput setab 1)${_LP_CLOSE_ESC}"
local DANGER_RED="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 3 ; tput setab 1)${_LP_CLOSE_ESC}"
local GREEN="${_LP_OPEN_ESC}$(ti_setaf 2)${_LP_CLOSE_ESC}"
local BOLD_GREEN="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 2)${_LP_CLOSE_ESC}"
local YELLOW="${_LP_OPEN_ESC}$(ti_setaf 3)${_LP_CLOSE_ESC}"
local BOLD_YELLOW="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 3)${_LP_CLOSE_ESC}"
local BLUE="${_LP_OPEN_ESC}$(ti_setaf 4)${_LP_CLOSE_ESC}"
local BOLD_BLUE="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 4)${_LP_CLOSE_ESC}"
local PURPLE="${_LP_OPEN_ESC}$(ti_setaf 5)${_LP_CLOSE_ESC}"
local PINK="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 5)${_LP_CLOSE_ESC}"
local CYAN="${_LP_OPEN_ESC}$(ti_setaf 6)${_LP_CLOSE_ESC}"
local BOLD_CYAN="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 6)${_LP_CLOSE_ESC}"
# NO_COL is special: it will be used at runtime, not just during config loading
NO_COL="${_LP_OPEN_ESC}${ti_sgr0}${_LP_CLOSE_ESC}"
unset ti_sgr0 ti_bold ti_setaf
# Default values (globals)
LP_BATTERY_THRESHOLD=${LP_BATTERY_THRESHOLD:-75}
LP_LOAD_THRESHOLD=${LP_LOAD_THRESHOLD:-60}
LP_TEMP_THRESHOLD=${LP_TEMP_THRESHOLD:-60}
LP_PATH_LENGTH=${LP_PATH_LENGTH:-35}
LP_PATH_KEEP=${LP_PATH_KEEP:-2}
LP_HOSTNAME_ALWAYS=${LP_HOSTNAME_ALWAYS:-0}
LP_USER_ALWAYS=${LP_USER_ALWAYS:-1}
LP_PERCENTS_ALWAYS=${LP_PERCENTS_ALWAYS:-1}
LP_PS1=${LP_PS1:-""}
LP_PS1_PREFIX=${LP_PS1_PREFIX:-""}
LP_PS1_POSTFIX=${LP_PS1_POSTFIX:-""}
LP_TITLE_OPEN=${LP_TITLE_OPEN:-"\e]0;"}
LP_TITLE_CLOSE=${LP_TITLE_CLOSE:-"\a"}
LP_SCREEN_TITLE_OPEN=${LP_SCREEN_TITLE_OPEN:-"\033k"}
LP_SCREEN_TITLE_CLOSE=${LP_SCREEN_TITLE_CLOSE:-"\033\134"}
LP_ENABLE_PERM=${LP_ENABLE_PERM:-1}
LP_ENABLE_SHORTEN_PATH=${LP_ENABLE_SHORTEN_PATH:-1}
LP_ENABLE_PROXY=${LP_ENABLE_PROXY:-1}
LP_ENABLE_TEMP=${LP_ENABLE_TEMP:-1}
LP_ENABLE_JOBS=${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_FOSSIL=${LP_ENABLE_FOSSIL:-1}
LP_ENABLE_HG=${LP_ENABLE_HG:-1}
LP_ENABLE_BZR=${LP_ENABLE_BZR:-1}
LP_ENABLE_TIME=${LP_ENABLE_TIME:-0}
LP_ENABLE_VIRTUALENV=${LP_ENABLE_VIRTUALENV:-1}
LP_ENABLE_VCS_ROOT=${LP_ENABLE_VCS_ROOT:-0}
LP_ENABLE_TITLE=${LP_ENABLE_TITLE:-0}
LP_ENABLE_SCREEN_TITLE=${LP_ENABLE_SCREEN_TITLE:-0}
LP_ENABLE_SSH_COLORS=${LP_ENABLE_SSH_COLORS:-0}
LP_DISABLED_VCS_PATH=${LP_DISABLED_VCS_PATH:-""}
LP_MARK_DEFAULT=${LP_MARK_DEFAULT:-""}
LP_MARK_BATTERY=${LP_MARK_BATTERY:-"⌁"}
LP_MARK_ADAPTER=${LP_MARK_ADAPTER:-"⏚"}
LP_MARK_LOAD=${LP_MARK_LOAD:-"⌂"}
LP_MARK_TEMP=${LP_MARK_TEMP:-"θ"}
LP_MARK_PROXY=${LP_MARK_PROXY:-"↥"}
LP_MARK_HG=${LP_MARK_HG:-"☿"}
LP_MARK_SVN=${LP_MARK_SVN:-"‡"}
LP_MARK_GIT=${LP_MARK_GIT:-"±"}
LP_MARK_FOSSIL=${LP_MARK_FOSSIL:-"⌘"}
LP_MARK_BZR=${LP_MARK_BZR:-"⚯"}
LP_MARK_DISABLED=${LP_MARK_DISABLED:-"⌀"}
LP_MARK_UNTRACKED=${LP_MARK_UNTRACKED:-"*"}
LP_MARK_STASH=${LP_MARK_STASH:-"+"}
LP_MARK_BRACKET_OPEN=${LP_MARK_BRACKET_OPEN:-"["}
LP_MARK_BRACKET_CLOSE=${LP_MARK_BRACKET_CLOSE:-"]"}
LP_MARK_SHORTEN_PATH=${LP_MARK_SHORTEN_PATH:-" … "}
LP_COLOR_PATH=${LP_COLOR_PATH:-$BOLD}
LP_COLOR_PATH_ROOT=${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:-$BOLD}
LP_COLOR_MARK_ROOT=${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:-$BLUE}
LP_COLOR_SU=${LP_COLOR_SU:-$BOLD_YELLOW}
LP_COLOR_TELNET=${LP_COLOR_TELNET:-$WARN_RED}
LP_COLOR_X11_ON=${LP_COLOR_X11:-$GREEN}
LP_COLOR_X11_OFF=${LP_COLOR_X11:-$YELLOW}
LP_COLOR_WRITE=${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:-$RED}
LP_COLOR_TIME=${LP_COLOR_TIME:-$BLUE}
LP_COLOR_IN_MULTIPLEXER=${LP_COLOR_IN_MULTIPLEXER:-$BOLD_BLUE}
LP_COLORMAP_0=${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.
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 "$configfile"
fi
}
# do source config files
_lp_source_config
unset _lp_source_config
# Disable features if the tool is not installed
[[ "$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_FOSSIL" = 1 ]] && { command -v fossil >/dev/null || LP_ENABLE_FOSSIL=0 ; }
[[ "$LP_ENABLE_HG" = 1 ]] && { command -v hg >/dev/null || LP_ENABLE_HG=0 ; }
[[ "$LP_ENABLE_BZR" = 1 ]] && { command -v bzr > /dev/null || LP_ENABLE_BZR=0 ; }
[[ "$LP_ENABLE_BATT" = 1 ]] && { command -v acpi >/dev/null || LP_ENABLE_BATT=0 ; }
# If we are running in a terminal multiplexer, brackets are colored
if [[ "$TERM" == screen* ]]; then
LP_BRACKET_OPEN="${LP_COLOR_IN_MULTIPLEXER}${LP_MARK_BRACKET_OPEN}${NO_COL}"
LP_BRACKET_CLOSE="${LP_COLOR_IN_MULTIPLEXER}${LP_MARK_BRACKET_CLOSE}${NO_COL}"
else
LP_BRACKET_OPEN="${LP_MARK_BRACKET_OPEN}"
LP_BRACKET_CLOSE="${LP_MARK_BRACKET_CLOSE}"
fi
# Escape the given strings
# Must be used for all strings that may comes from remote sources,
# like VCS branch names
_lp_escape()
{
printf "%q" "$*"
}
###############
# Who are we? #
###############
# Yellow for root, bold if the user is not the login one, else no color.
if [[ "$EUID" -ne "0" ]] ; then # if user is not root
# if user is not login user
if [[ ${USER} != "$(logname 2>/dev/null || echo $LOGNAME)" ]]; then
LP_USER="${LP_COLOR_USER_ALT}${_LP_USER_SYMBOL}${NO_COL}"
else
if [[ "${LP_USER_ALWAYS}" -ne "0" ]] ; then
LP_USER="${LP_COLOR_USER_LOGGED}${_LP_USER_SYMBOL}${NO_COL}"
else
LP_USER=""
fi
fi
else
LP_USER="${LP_COLOR_USER_ROOT}${_LP_USER_SYMBOL}${NO_COL}"
fi
#################
# Where are we? #
#################
_lp_connection()
{
if [[ -n "$SSH_CLIENT$SSH2_CLIENT$SSH_TTY" ]] ; then
echo ssh
else
# TODO check on *BSD
local sess_src=$(who am i | sed -n 's/.*(\(.*\))/\1/p')
local sess_parent=$(ps -o comm= -p $PPID 2> /dev/null)
if [[ -z "$sess_src" || "$sess_src" = ":"* ]] ; then
echo lcl # Local
elif [[ "$sess_parent" = "su" || "$sess_parent" = "sudo" ]] ; then
echo su # Remote su/sudo
else
echo tel # Telnet
fi
fi
}
# Put the hostname if not locally connected
# color it in cyan within SSH, and a warning red if within telnet
# else diplay the host without color
# The connection is not expected to change from inside the shell, so we
# build this just once
LP_HOST=""
_chroot()
{
if [[ -r /etc/debian_chroot ]] ; then
local debchroot
debchroot=$(cat /etc/debian_chroot)
echo "(${debchroot})"
fi
}
LP_HOST="$(_chroot)"
unset _chroot
# If we are connected with a X11 support
if [[ -n "$DISPLAY" ]] ; then
LP_HOST="${LP_COLOR_X11_ON}${LP_HOST}@${NO_COL}"
else
LP_HOST="${LP_COLOR_X11_OFF}${LP_HOST}@${NO_COL}"
fi
case "$(_lp_connection)" in
lcl)
if [[ "${LP_HOSTNAME_ALWAYS}" -eq "0" ]] ; then
# FIXME do we want to display the chroot if local?
LP_HOST="" # no hostname if local
else
LP_HOST="${LP_HOST}${LP_COLOR_HOST}${_LP_HOST_SYMBOL}${NO_COL}"
fi
;;
ssh)
# If we want a different color for each host
if [[ "$LP_ENABLE_SSH_COLORS" -eq "1" ]]; then
# compute the hash of the hostname
# and get the corresponding number in [1-6] (red,green,yellow,blue,purple or cyan)
# FIXME check portability of cksum and add more formats (bold? 256 colors?)
hash=$(( 1 + $(hostname | cksum | cut -d " " -f 1) % 6 ))
color=${_LP_OPEN_ESC}$(ti_setaf $hash)${_LP_CLOSE_ESC}
LP_HOST="${LP_HOST}${color}${_LP_HOST_SYMBOL}${NO_COL}"
unset hash
unset color
else
# the same color for all hosts
LP_HOST="${LP_HOST}${LP_COLOR_SSH}${_LP_HOST_SYMBOL}${NO_COL}"
fi
;;
su)
LP_HOST="${LP_HOST}${LP_COLOR_SU}${_LP_HOST_SYMBOL}${NO_COL}"
;;
tel)
LP_HOST="${LP_HOST}${LP_COLOR_TELNET}${_LP_HOST_SYMBOL}${NO_COL}"
;;
*)
LP_HOST="${LP_HOST}${_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()
{
[[ "$LP_ENABLE_PROXY,$http_proxy" = 1,?* ]] && echo -ne "$LP_COLOR_PROXY$LP_MARK_PROXY$NO_COL"
}
# BASH/ZSH function that shortens
# a very long path for display by removing
# the left most parts and replacing them
# with a leading ...
#
# the first argument is the path
#
# the second argument is the maximum allowed
# length including the '/'s and ...
# http://hbfs.wordpress.com/2009/09/01/short-pwd-in-bash-prompts/
#
# + keep some left part of the path if asked
_lp_shorten_path()
{
if [[ "$LP_ENABLE_SHORTEN_PATH" != 1 || -n "$PROMPT_DIRTRIM" ]] ; then
if $_LP_SHELL_bash; then
echo "\\w"
else
print -P '%~'
fi
return
fi
local p="${PWD/#$HOME/~}"
local -i len=${#p}
local -i max_len=$((${COLUMNS:-80}*$LP_PATH_LENGTH/100))
if $_LP_SHELL_bash; then
if (( len > max_len ))
then
# index of the directory to keep from the root
# (starts at 0 whith bash, 1 with zsh)
local -i keep=LP_PATH_KEEP-1
# the character that will replace the part of the path that is
# masked
local mask="$LP_MARK_SHORTEN_PATH"
local -i mask_len=${#mask}
# finds all the '/' in
# the path and stores their
# positions
#
local pos=()
local -i slashes=0
for ((i=0;i<len;i++))
do
if [[ "${p:i:1}" == / ]]
then
pos=(${pos[@]} $i)
let slashes++
fi
done
pos=(${pos[@]} $len)
# we have the '/'s, let's find the
# left-most that doesn't break the
# length limit
#
local -i i=keep
if (( keep > slashes )) ; then
i=slashes
fi
while (( len-pos[i] > max_len-mask_len ))
do
let i++
done
# let us check if it's OK to
# print the whole thing
#
if (( pos[i] == 0 ))
then
# the path is shorter than
# the maximum allowed length,
# so no need for '…'
#
echo "$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 "$p"
fi
else # zsh
if (( len > max_len )); then
print -P "%-${LP_PATH_KEEP}~%${max_len}<${LP_MARK_SHORTEN_PATH}<%~%<<"
else
print -P '%~'
fi
fi
}
# In bash shell, PROMPT_DIRTRIM is the number of directory to keep at the end
# of the displayed path (if "\w" is present in the PS1 var).
# liquidprompt can calculate this number under two condition, path shortening
# must be activated and PROMPT_DIRTRIM must be already set.
_lp_get_dirtrim() {
[[ "$LP_ENABLE_SHORTEN_PATH" != 1 ]] && echo 0 && return
local p="${PWD/$HOME/~}"
local len=${#p}
local max_len=$((${COLUMNS:-80}*$LP_PATH_LENGTH/100))
local PROMPT_DIRTRIM=0
if [[ "$((len))" -gt "$((max_len))" ]]; then
local i
for ((i=$len;i>=0;i--))
do
[[ $(($len-$i)) -gt $max_len ]] && break
[[ "${p:i:1}" == "/" ]] && PROMPT_DIRTRIM=$((PROMPT_DIRTRIM+1))
done
[[ "$((PROMPT_DIRTRIM))" -eq 0 ]] && PROMPT_DIRTRIM=1
fi
echo "$PROMPT_DIRTRIM"
}
# Display a ":"
# colored in green if user have write permission on the current directory
# colored in red if it have not.
_lp_permissions_color()
{
if [[ "$LP_ENABLE_PERM" != 1 ]]; then
echo : # without color
else
if [[ -w "${PWD}" ]]; then
echo "${LP_COLOR_WRITE}:${NO_COL}"
else
echo "${LP_COLOR_NOWRITE}:${NO_COL}"
fi
fi
}
# Display the current Python virtual environnement, if available.
_lp_virtualenv()
{
[[ "$LP_ENABLE_VIRTUALENV" != 1 ]] && return
if [[ -n "$VIRTUAL_ENV" ]]; then
echo "[${LP_COLOR_VIRTUALENV}$(basename $VIRTUAL_ENV)${NO_COL}]"
fi
}
################
# Related jobs #
################
# Display the count of each if non-zero:
# - detached screens sessions and/or tmux sessions running on the host
# - attached running jobs (started with $ myjob &)
# - attached stopped jobs (suspended with Ctrl-Z)
_lp_jobcount_color()
{
[[ "$LP_ENABLE_JOBS" != 1 ]] && return
local running=$(( $(jobs -r | wc -l) ))
local stopped=$(( $(jobs -s | wc -l) ))
local n_screen=$(screen -ls 2> /dev/null | grep -c Detach)
local n_tmux=$(tmux list-sessions 2> /dev/null | grep -cv attached)
local detached=$(( $n_screen + $n_tmux ))
local m_detached="d"
local m_stop="z"
local m_run="&"
local ret=""
if [[ $detached != "0" ]] ; then
ret="${ret}${LP_COLOR_JOB_D}${detached}${m_detached}${NO_COL}"
fi
if [[ $running != "0" ]] ; then
if [[ $ret != "" ]] ; then ret="${ret}/"; fi
ret="${ret}${LP_COLOR_JOB_R}${running}${m_run}${NO_COL}"
fi
if [[ $stopped != "0" ]] ; then
if [[ $ret != "" ]] ; then ret="${ret}/"; fi
ret="${ret}${LP_COLOR_JOB_Z}${stopped}${m_stop}${NO_COL}"
fi
echo -ne "$ret"
}
# Display the return value of the last command, if different from zero
_lp_return_value()
{
if [[ "$1" -ne "0" ]]
then
echo -ne "$LP_COLOR_ERR$1$NO_COL"
fi
}
######################
# VCS branch display #
######################
_lp_are_vcs_disabled()
{
[[ -z "$LP_DISABLED_VCS_PATH" ]] && echo 0 && return
local path
local IFS=:
for path in $LP_DISABLED_VCS_PATH; do
if [[ "$PWD" == *"$path"* ]]; then
echo 1
return
fi
done
echo 0
}
# GIT #
# Get the branch name of the current directory
_lp_git_branch()
{
[[ "$LP_ENABLE_GIT" != 1 ]] && return
local gitdir
gitdir="$([ $(git ls-files . 2>/dev/null | wc -l) -gt 0 ] && git rev-parse --git-dir 2>/dev/null)"
[[ $? -ne 0 || ! $gitdir =~ (.*\/)?\.git.* ]] && return
local branch="$(git symbolic-ref HEAD 2>/dev/null)"
if [[ $? -ne 0 || -z "$branch" ]] ; then
# In detached head state, use commit instead
branch="$(git rev-parse --short HEAD 2>/dev/null)"
fi
[[ $? -ne 0 || -z "$branch" ]] && return
branch="${branch#refs/heads/}"
echo $(_lp_escape "$branch")
}
# 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 [[ -n "$branch" ]] ; then
local GD
git diff --quiet >/dev/null 2>&1
GD=$?
local GDC
git diff --cached --quiet >/dev/null 2>&1
GDC=$?
local end="$NO_COL"
if git status 2>/dev/null | grep -q '\(# Untracked\)'; then
end="$LP_COLOR_CHANGES$LP_MARK_UNTRACKED$end"
fi
if [[ -n "$(git stash list 2>/dev/null)" ]]; then
end="$LP_COLOR_COMMITS$LP_MARK_STASH$end"
fi
local remote
remote="$(git config --get branch.${branch}.remote 2>/dev/null)"
local has_commit
has_commit=0
if [[ -n "$remote" ]] ; then
local remote_branch
remote_branch="$(git config --get branch.${branch}.merge)"
if [[ -n "$remote_branch" ]] ; then
has_commit=$(git rev-list --no-merges --count ${remote_branch/refs\/heads/refs\/remotes\/$remote}..HEAD 2>/dev/null)
if [[ -z "$has_commit" ]] ; then
has_commit=0
fi
fi
fi
if [[ "$GD" -eq 1 || "$GDC" -eq "1" ]] ; then
local has_line
has_lines=$(git diff --numstat 2>/dev/null | 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${NO_COL})${end}"
else
ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_DIFF}$has_lines${NO_COL})${end}" # changes to commit
fi
else
if [[ "$has_commit" -gt "0" ]] ; then
# some commit(s) to push
ret="${LP_COLOR_COMMITS}${branch}${NO_COL}(${LP_COLOR_COMMITS}$has_commit${NO_COL})${end}"
else
ret="${LP_COLOR_UP}${branch}${end}" # 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)"
[[ $? -eq 0 ]] && echo $(_lp_escape "$branch")
}
# 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 [[ -n "$branch" ]] ; then
local has_untracked
has_untracked=$(hg status 2>/dev/null | grep '\(^\?\)' | wc -l)
if [[ -z "$has_untracked" ]] ; then
has_untracked=""
else
has_untracked="$LP_COLOR_CHANGES$LP_MARK_UNTRACKED"
fi
local has_commit
has_commit=$(hg outgoing --no-merges ${branch} 2>/dev/null | grep '\(^changeset\:\)' | wc -l)
if [[ -z "$has_commit" ]] ; then
has_commit=0
fi
if [[ $(( $(hg status --quiet -n | wc -l) )) = 0 ]] ; then
if [[ "$has_commit" -gt "0" ]] ; then
# some commit(s) to push
ret="${LP_COLOR_COMMITS}${branch}${NO_COL}(${LP_COLOR_COMMITS}$has_commit${NO_COL})${has_untracked}${NO_COL}"
else
ret="${LP_COLOR_UP}${branch}${has_untracked}${NO_COL}" # nothing to commit or push
fi
else
local has_line
has_lines=$(hg diff --stat 2>/dev/null | tail -n 1 | awk 'FS=" " {printf("+%s/-%s\n", $4, $6)}')
if [[ "$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${NO_COL})${has_untracked}${NO_COL}"
else
ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_DIFF}$has_lines${NO_COL})${has_untracked}${NO_COL}" # changes to commit
fi
fi
echo -ne "$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 root
local url
local result
eval $(LANG=C LC_ALL=C svn info 2>/dev/null | sed -n 's/^URL: \(.*\)/url="\1"/p;s/^Repository Root: \(.*\)/root="\1"/p' )
if [[ "$root" == "" ]]; then
return
fi
# Make url relative to root
url="${url:${#root}}"
if [[ "$url" == */trunk* ]] ; then
echo -n trunk
else
result=$(expr "$url" : '.*/branches/\([^/]*\)' || expr "$url" : '/\([^/]*\)' || basename "$root")
echo -n $result # FIXME should be: echo -n $(_lp_escape "${result}")
fi
}
# Set a color depending on the branch state:
# - green if the repository is clean
# (use $LP_SVN_STATUS_OPTS to define what that means with
# the --depth option of 'svn status')
# - red if there is changes to commit
# Note that, due to subversion way of managing changes,
# informations are only displayed for the CURRENT directory.
_lp_svn_branch_color()
{
[[ "$LP_ENABLE_SVN" != 1 ]] && return
local branch
branch="$(_lp_svn_branch)"
if [[ -n "$branch" ]] ; then
local commits
changes=$(( $(svn status $LP_SVN_STATUS_OPTIONS | grep -c -v "?") ))
if [[ $changes -eq 0 ]] ; then
echo "${LP_COLOR_UP}${branch}${NO_COL}"
else
echo "${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_DIFF}$changes${NO_COL})" # changes to commit
fi
fi
}
# FOSSIL #
# Get the tag name of the current directory
_lp_fossil_branch()
{
[[ "$LP_ENABLE_FOSSIL" != 1 ]] && return
local branch
branch=$(fossil status 2>/dev/null | grep tags: | cut -c17-)
if [[ -n "$branch" ]] ; then
echo $(_lp_escape "$branch")
else
if fossil info &>/dev/null ; then
echo "no-tag"
fi
fi
}
# Set a color depending on the branch state:
# - green if the repository is clean
# - red if there is changes to commit
# - yellow if the branch has no tag name
#
# Add the number of impacted files with a
# + when files are ADDED or EDITED
# - when files are DELETED
_lp_fossil_branch_color()
{
[[ "$LP_ENABLE_FOSSIL" != 1 ]] && return
local branch
branch=$(_lp_fossil_branch)
if [[ -n "$branch" ]] ; then
local C2E # Modified files (added or edited)
local C2D # Deleted files
local C2A # Extras files
local ret
C2E=$(fossil changes | wc -l)
C2D=$(fossil changes | grep DELETED | wc -l)
let "C2E = $C2E - $C2D"
C2A=$(fossil extras | wc -l)
ret=""
if [[ "$C2E" -gt 0 ]] ; then
ret+="+$C2E"
fi
if [[ "$C2D" -gt 0 ]] ; then
if [[ "$ret" = "" ]] ; then
ret+="-$C2D"
else
ret+="/-$C2D"
fi
fi
if [[ "$C2A" -gt 0 ]] ; then
C2A="$LP_MARK_UNTRACKED"
else
C2A=""
fi
if [[ "$ret" != "" ]] ; then
ret="(${LP_COLOR_DIFF}$ret${NO_COL})"
fi
if [[ "$branch" = "no-tag" ]] ; then
# Warning, your branch has no tag name !
branch="${LP_COLOR_COMMITS}$branch${NO_COL}$ret${LP_COLOR_COMMITS}$C2A${NO_COL}"
else
if [[ "$C2E" -eq 0 && "$C2D" -eq 0 ]] ; then
# All is up-to-date
branch="${LP_COLOR_UP}$branch$C2A${NO_COL}"
else
# There're some changes to commit
branch="${LP_COLOR_CHANGES}$branch${NO_COL}$ret${LP_COLOR_CHANGES}$C2A${NO_COL}"
fi
fi
echo -ne $branch # $(_lp_escape "$branch")
fi
}
# Bazaar #
# Get the branch name of the current directory
_lp_bzr_branch()
{
[[ "$LP_ENABLE_BZR" != 1 ]] && return
local branch
branch=$(bzr nick 2> /dev/null)
[[ $? -ne 0 ]] && return
echo $(_lp_escape "$branch")
}
# 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
#
# Add the number of pending commits and the impacted lines.
_lp_bzr_branch_color()
{
[[ "$LP_ENABLE_BZR" != 1 ]] && return
local output
output=$(bzr version-info --check-clean --custom --template='{branch_nick} {revno} {clean}' 2> /dev/null)
[[ $? -ne 0 ]] && return
local tuple=($output)
local branch=${tuple[0]}
local revno=${tuple[1]}
local clean=${tuple[2]}
if [[ -n "$branch" ]] ; then
if [[ "$clean" -eq 0 ]] ; then
ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_COMMITS}$revno${NO_COL})"
else
ret="${LP_COLOR_UP}${branch}${NO_COL}(${LP_COLOR_COMMITS}$revno${NO_COL})"
fi
fi