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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 <alexprengere@gmail.com> # Untracked git files
# Anthony Gelibert <anthony.gelibert@me.com> # Several fix
# Aurelien Requiem <aurelien@requiem.fr> # Major clean refactoring, variable path length, error codes, several bugfixes.
# Brendan Fahy <bmfahy@gmail.com> # Postfix variable
# Clément Mathieu <clement@unportant.info> # Bazaar support
# David Loureiro <david.loureiro@sysfera.com> # Small portability fix
# Étienne Deparis <etienne@depar.is> # Fossil support
# Florian Le Frioux <florian@lefrioux.fr> # Use ± mark when root in VCS dir.
# François Schmidts <francois.schmidts@gmail.com> # Initial PROMPT_DIRTRIM support
# Frédéric Lepied <flepied@gmail.com> # Python virtual env
# Jonas Bengtsson <jonas.b@gmail.com> # Git remotes fix
# Joris Dedieu <joris@pontiac3.nfrance.com> # Portability framework, FreeBSD support, bugfixes.
# Joris Vaillant <joris.vaillant@gmail.com> # Small git fix
# Luc Didry <luc@fiat-tux.fr> # ZSH port, several fix
# Ludovic Rousseau <ludovic.rousseau@gmail.com> # Lot of bugfixes.
# Markus Dreseler <github@dreseler.de> # Runtime of last command
# Nicolas Lacourte <nicolas@dotinfra.fr> # Screen title
# nojhan <nojhan@gmail.com> # Original author.
# Olivier Mengué <dolmen@cpan.org> # Major optimizations, refactorings everywhere; current maintainer
# Poil <poil@quake.fr> # Speed improvements
# Rolf Morel <rolfmorel@gmail.com> # "Shorten path" refactoring and fixes
# Thomas Debesse <thomas.debesse@gmail.com> # Fix columns use.
# Yann 'Ze' Richard <ze@nbox.org> # Do not fail on missing commands.
# Austen Adler <stonewareslord@gmail.com> # ZSH runtime
# See the README.md file for a summary of features.
# Issue #161: do not load if not an interactive shell
test -z "$TERM" -o "x$TERM" = xdumb && return
# Check for recent enough version of bash.
if test -n "${BASH_VERSION-}" -a -n "$PS1" ; then
bash=${BASH_VERSION%.*}; bmajor=${bash%.*}; bminor=${bash#*.}
if (( bmajor < 3 || ( bmajor == 3 && bminor < 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_FQDN_SYMBOL="\H"
_LP_TIME_SYMBOL="\t"
_LP_MARK_SYMBOL='\$'
_LP_PWD_SYMBOL="\\w"
_LP_DIR_SYMBOL="\\W"
_LP_FIRST_INDEX=0
_LP_PERCENT='%' # must be escaped on zsh
_LP_BACKSLASH='\\' # must be escaped on bash
# Escape the given strings
# Must be used for all strings injected in PS1 that may comes from remote sources,
# like $PWD, VCS branch names...
_lp_escape()
{
echo -nE "${1//\\/\\\\}"
}
# Disable the DEBUG trap used by the RUNTIME feature
# (in case we are reloading LP in the same shell after disabling
# the feature in .liquidpromptrc)
# FIXME this doesn't seem to work :(
[[ -n "${LP_ENABLE_RUNTIME-}" ]] && trap - DEBUG
elif test -n "${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_FQDN_SYMBOL="%M"
_LP_TIME_SYMBOL="%*"
_LP_MARK_SYMBOL='%(!.#.%%)'
_LP_PWD_SYMBOL="%~"
_LP_DIR_SYMBOL="%1~"
_LP_FIRST_INDEX=1
_LP_PERCENT='%%'
_LP_BACKSLASH="\\"
_lp_escape()
{
arg="${1//\\/\\\\}"
echo -nE "${arg//\%/$_LP_PERCENT}"
}
# For ZSH, autoload required functions
autoload -Uz add-zsh-hook
# Disable previous hooks as options that set them
# may have changed
{
add-zsh-hook -d precmd _lp_set_prompt
add-zsh-hook -d preexec _lp_runtime_before
add-zsh-hook -d precmd _lp_runtime_after
} >/dev/null
else
echo "liquidprompt: shell not supported" >&2
return
fi
# Store $2 (or $?) as a true/false value in variable named $1
# $? is propagated
# _lp_bool foo 5
# => foo=false
# _lp_bool foo 0
# => foo=true
_lp_bool()
{
local res=${2:-$?}
if (( res )); then
eval $1=false
else
eval $1=true
fi
return $res
}
# Save $IFS as we want to restore the default value at the beginning of the
# prompt function
_LP_IFS="$IFS"
###############
# OS specific #
###############
# LP_OS detection, default to Linux
case $(uname) in
FreeBSD) LP_OS=FreeBSD ;;
DragonFly) LP_OS=FreeBSD ;;
OpenBSD) LP_OS=OpenBSD ;;
Darwin) LP_OS=Darwin ;;
SunOS) LP_OS=SunOS ;;
*) LP_OS=Linux ;;
esac
# Get cpu count
case "$LP_OS" in
Linux) _lp_CPUNUM=$( nproc 2>/dev/null || \grep -c '^[Pp]rocessor' /proc/cpuinfo ) ;;
FreeBSD|Darwin|OpenBSD) _lp_CPUNUM=$( sysctl -n hw.ncpu ) ;;
SunOS) _lp_CPUNUM=$( kstat -m cpu_info | \grep -c "module: cpu_info" ) ;;
esac
# Extended regexp patterns for sed
# GNU/BSD sed
_LP_SED_EXTENDED=r
[[ "$LP_OS" = Darwin ]] && _LP_SED_EXTENDED=E
# get current load
case "$LP_OS" in
Linux)
_lp_cpu_load () {
local eol
read lp_cpu_load eol < /proc/loadavg
}
;;
FreeBSD|Darwin|OpenBSD)
_lp_cpu_load () {
local bol eol
# If you have problems with syntax coloring due to the following
# line, do this: ln -s liquidprompt liquidprompt.bash
# and edit liquidprompt.bash
read bol lp_cpu_load eol <<<"$( LC_ALL=C sysctl -n vm.loadavg )"
}
;;
SunOS)
_lp_cpu_load () {
read lp_cpu_load <<<"$( LC_ALL=C uptime | sed 's/.*load average: *\([0-9.]*\).*/\1/' )"
}
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 Liquid Prompt
# 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
local ti_setab
if tput setaf 0 >/dev/null 2>&1; then
ti_setaf() { tput setaf "$1" ; }
elif tput AF 0 >/dev/null 2>&1; then
# FreeBSD
ti_setaf() { tput AF "$1" ; }
elif tput AF 0 0 0 >/dev/null 2>&1; then
# OpenBSD
ti_setaf() { tput AF "$1" 0 0 ; }
else
echo "liquidprompt: terminal $TERM not supported" >&2
ti_setaf () { : ; }
fi
if tput setab 0 >/dev/null 2>&1; then
ti_setab() { tput setab "$1" ; }
elif tput AB 0 >/dev/null 2>&1; then
# FreeBSD
ti_setab() { tput AB "$1" ; }
elif tput AB 0 0 0 >/dev/null 2>&1; then
# OpenBSD
ti_setab() { tput AB "$1" 0 0 ; }
else
echo "liquidprompt: terminal $TERM not supported" >&2
ti_setab() { : ; }
fi
# Colors: variables are local so they will have a value only
# during config loading and will not conflict with other values
# with the same names defined by the user outside the config.
local BOLD="${_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}$(ti_setaf 0 ; ti_setab 1)${_LP_CLOSE_ESC}"
local CRIT_RED="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 7 ; ti_setab 1)${_LP_CLOSE_ESC}"
local DANGER_RED="${_LP_OPEN_ESC}${ti_bold}$(ti_setaf 3 ; ti_setab 1)${_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}"
# compute the hash of the hostname
# and get the corresponding number in [1-6] (red,green,yellow,blue,purple or cyan)
# FIXME Add more formats (bold? 256 colors?)
# cksum is separated with tab on SunOS, space on others
local cksum="$(hostname | cksum)"
LP_COLOR_HOST_HASH="${_LP_OPEN_ESC}$(ti_setaf $(( 1 + ${cksum%%[ ]*} % 6 )) )${_LP_CLOSE_ESC}"
unset ti_sgr0 ti_bold
unset -f ti_setaf ti_setab
# Default values (globals)
LP_BATTERY_THRESHOLD=${LP_BATTERY_THRESHOLD:-75}
LP_LOAD_THRESHOLD=${LP_LOAD_THRESHOLD:-60}
LP_TEMP_THRESHOLD=${LP_TEMP_THRESHOLD:-60}
LP_RUNTIME_THRESHOLD=${LP_RUNTIME_THRESHOLD:-2}
LP_PATH_LENGTH=${LP_PATH_LENGTH:-35}
LP_PATH_KEEP=${LP_PATH_KEEP:-2}
LP_PATH_DEFAULT="${LP_PATH_DEFAULT:-$_LP_PWD_SYMBOL}"
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:-""}
if $_LP_SHELL_bash; then
LP_PS1_PREFIX="\n"
LP_PS1_POSTFIX="\n> "
elif $_LP_SHELL_zsh; then
LP_PS1_PREFIX=$'\n'
LP_PS1_POSTFIX=$'\n'"> "
fi
LP_ENABLE_PERM=${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_VCSH=${LP_ENABLE_VCSH:-1}
LP_ENABLE_FOSSIL=${LP_ENABLE_FOSSIL:-1}
LP_ENABLE_HG=${LP_ENABLE_HG:-1}
LP_ENABLE_BZR=${LP_ENABLE_BZR:-1}
LP_ENABLE_TIME=${LP_ENABLE_TIME:-0}
LP_ENABLE_RUNTIME=${LP_ENABLE_RUNTIME:-1}
LP_ENABLE_VIRTUALENV=${LP_ENABLE_VIRTUALENV:-1}
LP_ENABLE_SCLS=${LP_ENABLE_SCLS:-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_ENABLE_FQDN=${LP_ENABLE_FQDN:-0}
# LP_DISABLED_VCS_PATH="${LP_DISABLED_VCS_PATH}"
LP_ENABLE_SUDO=${LP_ENABLE_SUDO:-0}
LP_MARK_DEFAULT="${LP_MARK_DEFAULT:-$_LP_MARK_SYMBOL}"
LP_MARK_BATTERY="${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="${LP_MARK_GIT:-"±"}"
LP_MARK_VCSH="${LP_MARK_VCSH:-"|"}"
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="${LP_MARK_STASH:-"+"}"
LP_MARK_INDEX="${LP_MARK_INDEX:-"+"}"
LP_MARK_BRACKET_OPEN="${LP_MARK_BRACKET_OPEN:-"["}"
LP_MARK_BRACKET_CLOSE="${LP_MARK_BRACKET_CLOSE:-"]"}"
LP_MARK_SHORTEN_PATH="${LP_MARK_SHORTEN_PATH:-" … "}"
LP_MARK_PREFIX="${LP_MARK_PREFIX:-" "}"
LP_MARK_PERM="${LP_MARK_PERM:-":"}"
LP_COLOR_PATH=${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:-$BOLD_RED}
LP_COLOR_MARK_SUDO=${LP_COLOR_MARK_SUDO:-$LP_COLOR_MARK_ROOT}
LP_COLOR_USER_LOGGED=${LP_COLOR_USER_LOGGED:-""}
LP_COLOR_USER_ALT=${LP_COLOR_USER_ALT:-$BOLD}
LP_COLOR_USER_ROOT=${LP_COLOR_USER_ROOT:-$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_ON:-$GREEN}
LP_COLOR_X11_OFF=${LP_COLOR_X11_OFF:-$YELLOW}
LP_COLOR_WRITE=${LP_COLOR_WRITE:-$GREEN}
LP_COLOR_NOWRITE=${LP_COLOR_NOWRITE:-$RED}
LP_COLOR_UP=${LP_COLOR_UP:-$GREEN}
LP_COLOR_COMMITS=${LP_COLOR_COMMITS:-$YELLOW}
LP_COLOR_COMMITS_BEHIND=${LP_COLOR_COMMITS_BEHIND:-$BOLD_RED}
LP_COLOR_CHANGES=${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:-$BOLD_BLUE}
LP_COLOR_RUNTIME=${LP_COLOR_RUNTIME:-$YELLOW}
LP_COLOR_VIRTUALENV=${LP_COLOR_VIRTUALENV:-$CYAN}
if [[ -z "${LP_COLORMAP-}" ]]; then
LP_COLORMAP=(
"" # 0
"$GREEN" # 1
"$BOLD_GREEN" # 2
"$YELLOW" # 3
"$BOLD_YELLOW" # 4
"$RED" # 5
"$BOLD_RED" # 6
"$WARN_RED" # 7
"$CRIT_RED" # 8
"$DANGER_RED" # 9
)
fi
# Debugging flags
LP_DEBUG_TIME=${LP_DEBUG_TIME:-0}
local configfile
# Default config file may be the XDG standard ~/.config/liquidpromptrc,
# but heirloom dotfile has priority.
if [[ -f "$HOME/.liquidpromptrc" ]]; then
configfile="$HOME/.liquidpromptrc"
else
local first
local search
# trailing ":" is so that ${search#*:} always removes something
search="${XDG_CONFIG_HOME:-"$HOME/.config"}:${XDG_CONFIG_DIRS:-/etc/xdg}:"
while [[ -n "$search" ]]; do
first="${search%%:*}"
search="${search#*:}"
if [[ -f "$first/liquidpromptrc" ]]; then
configfile="$first/liquidpromptrc"
break
fi
done
fi
if [[ -n "$configfile" ]]; then
source "$configfile"
elif [[ -f "/etc/liquidpromptrc" ]]; then
source "/etc/liquidpromptrc"
fi
# Delete this code in version 1.11
if [[ -n "${LP_COLORMAP_1-}" ]]; then
echo "liquidprompt: LP_COLORMAP_x variables are deprecated. Update your theme to use LP_COLORMAP array." >&2
LP_COLORMAP=(
"$LP_COLORMAP_0"
"$LP_COLORMAP_1"
"$LP_COLORMAP_2"
"$LP_COLORMAP_3"
"$LP_COLORMAP_4"
"$LP_COLORMAP_5"
"$LP_COLORMAP_6"
"$LP_COLORMAP_7"
"$LP_COLORMAP_8"
"$LP_COLORMAP_9"
)
unset LP_COLORMAP_0 LP_COLORMAP_1 LP_COLORMAP_2 LP_COLORMAP_3 LP_COLORMAP_4 \
LP_COLORMAP_5 LP_COLORMAP_6 LP_COLORMAP_7 LP_COLORMAP_8 LP_COLORMAP_9
fi
}
# do source config files
_lp_source_config
unset -f _lp_source_config
# Disable feature if the tool is not installed
_lp_require_tool()
{
(( LP_ENABLE_$1 )) && { command -v $2 >/dev/null || eval LP_ENABLE_$1=0 ; }
}
_lp_require_tool GIT git
_lp_require_tool SVN svn
_lp_require_tool FOSSIL fossil
_lp_require_tool HG hg
_lp_require_tool BZR bzr
if [[ "$LP_OS" = Darwin ]]; then
_lp_require_tool BATT pmset
else
_lp_require_tool BATT acpi
fi
unset -f _lp_require_tool
if (( LP_ENABLE_JOBS )); then
typeset -i _LP_ENABLE_DETACHED_SESSIONS _LP_ENABLE_SCREEN _LP_ENABLE_TMUX
command -v screen >/dev/null ; _LP_ENABLE_SCREEN=!$?
command -v tmux >/dev/null ; _LP_ENABLE_TMUX=!$?
(( _LP_ENABLE_DETACHED_SESSIONS = ( _LP_ENABLE_SCREEN || _LP_ENABLE_TMUX ) ))
fi
# Use standard path symbols inside Midnight Commander
[[ -n "${MC_SID-}" ]] && LP_ENABLE_SHORTEN_PATH=0
# If we are running in a terminal multiplexer, brackets are colored
if [[ "$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}"
(( LP_ENABLE_TITLE = LP_ENABLE_TITLE && LP_ENABLE_SCREEN_TITLE ))
LP_TITLE_OPEN="$(printf '\033k')"
# "\e\" but on bash \ must be escaped
LP_TITLE_CLOSE="$(printf '\033%s' "$_LP_BACKSLASH")"
else
LP_BRACKET_OPEN="${LP_MARK_BRACKET_OPEN}"
LP_BRACKET_CLOSE="${LP_MARK_BRACKET_CLOSE}"
LP_TITLE_OPEN="$(printf '\e]0;')"
LP_TITLE_CLOSE="$(printf '\a')"
fi
[[ "_$TERM" == _linux* ]] && LP_ENABLE_TITLE=0
# update_terminal_cwd is a shell function available on MacOS X Lion that
# will update an icon of the directory displayed in the title of the terminal
# window.
# See http://hints.macworld.com/article.php?story=20110722211753852
if [[ "${TERM_PROGRAM-}" == Apple_Terminal ]] && command -v update_terminal_cwd >/dev/null; then
_LP_TERM_UPDATE_DIR=update_terminal_cwd
# Remove "update_terminal_cwd; " that has been add by Apple in /et/bashrc.
# See issue #196
PROMPT_COMMAND="${PROMPT_COMMAND//update_terminal_cwd; /}"
else
_LP_TERM_UPDATE_DIR=:
fi
# Default value for LP_PERM when LP_ENABLE_PERM is 0
LP_PERM=${LP_MARK_PERM} # without color
# Same as bash '\l', but inlined as a constant as the value will not change
# during the shell's life
LP_TTYN="$(basename -- "$(tty)" 2>/dev/null)"
###############
# Who are we? #
###############
command -v _lp_sudo_check >/dev/null && unset -f _lp_sudo_check
# Yellow for root, bold if the user is not the login one, else no color.
if (( EUID != 0 )); then # if user is not root
# if user is not login user
if [[ "${USER}" != "$(logname 2>/dev/null || echo "$LOGNAME")" ]]; then
LP_USER="${LP_COLOR_USER_ALT}${_LP_USER_SYMBOL}${NO_COL}"
elif (( LP_USER_ALWAYS )); then
LP_USER="${LP_COLOR_USER_LOGGED}${_LP_USER_SYMBOL}${NO_COL}"
else
LP_USER=""
fi
# "sudo -n" is only supported from sudo 1.7.0
if (( LP_ENABLE_SUDO )) \
&& command -v sudo >/dev/null \
&& LC_MESSAGES=C sudo -V | GREP_OPTIONS= \grep -qE '^Sudo version (1(\.([789]\.|[1-9][0-9])|[0-9])|[2-9])'
then
LP_COLOR_MARK_NO_SUDO="$LP_COLOR_MARK"
# Test the code with the commands:
# sudo id # sudo, enter your credentials
# sudo -K # revoke your credentials
_lp_sudo_check()
{
if sudo -n true 2>/dev/null; then
LP_COLOR_MARK=$LP_COLOR_MARK_SUDO
else
LP_COLOR_MARK=$LP_COLOR_MARK_NO_SUDO
fi
}
fi
else # root!
LP_USER="${LP_COLOR_USER_ROOT}${_LP_USER_SYMBOL}${NO_COL}"
LP_COLOR_MARK="${LP_COLOR_MARK_ROOT}"
LP_COLOR_PATH="${LP_COLOR_PATH_ROOT}"
# Disable VCS info for all paths
if (( ! LP_ENABLE_VCS_ROOT )); then
LP_DISABLED_VCS_PATH=/
LP_MARK_DISABLED="$LP_MARK_DEFAULT"
fi
fi
# Empty _lp_sudo_check if root or sudo disabled
if ! command -v _lp_sudo_check >/dev/null; then
_lp_sudo_check() { :; }
fi
#################
# Where are we? #
#################
_lp_connection()
{
if [[ -n "${SSH_CLIENT-}${SSH2_CLIENT-}${SSH_TTY-}" ]]; then
echo ssh
else
# tmux: see GH #304
# TODO check on *BSD
local whoami="$(LC_ALL=C who am i)"
local sess_parent="$(ps -o comm= -p $PPID 2> /dev/null)"
if [[ x"$whoami" != *'('* || x"$whoami" = *'(:'* || x"$whoami" = *'(tmux'* ]]; 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 display the host without color
# The connection is not expected to change from inside the shell, so we
# build this just once
LP_HOST=""
# Only process hostname elements if we haven't turned them off
if (( LP_HOSTNAME_ALWAYS != -1 )); then
[[ -r /etc/debian_chroot ]] && LP_HOST="($(< /etc/debian_chroot))"
# Which host symbol should we use?
if (( LP_ENABLE_FQDN )); then
LP_HOST_SYMBOL="${_LP_FQDN_SYMBOL}"
else
LP_HOST_SYMBOL="${_LP_HOST_SYMBOL}"
fi
# If we are connected with a X11 support
if [[ -n "$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 "$(_lp_connection)" in
lcl)
if (( LP_HOSTNAME_ALWAYS )); then
LP_HOST+="${LP_COLOR_HOST}${LP_HOST_SYMBOL}${NO_COL}"
else
# FIXME do we want to display the chroot if local?
LP_HOST="" # no hostname if local
fi
;;
ssh)
# If we want a different color for each host
(( LP_ENABLE_SSH_COLORS )) && LP_COLOR_SSH="$LP_COLOR_HOST_HASH"
LP_HOST+="${LP_COLOR_SSH}${LP_HOST_SYMBOL}${NO_COL}"
;;
su)
LP_HOST+="${LP_COLOR_SU}${LP_HOST_SYMBOL}${NO_COL}"
;;
tel)
LP_HOST+="${LP_COLOR_TELNET}${LP_HOST_SYMBOL}${NO_COL}"
;;
*)
LP_HOST+="${LP_HOST_SYMBOL}" # defaults to no color
;;
esac
fi
# Useless now, so undefine
unset -f _lp_connection
_lp_get_home_tilde_collapsed()
{
local tilde="~"
echo "${PWD/#$HOME/$tilde}"
}
# Shorten the path of the current working directory
# * Show only the current directory
# * Show as much of the cwd path as possible, if shortened display a
# leading mark, such as ellipses, to indicate that part is missing
# * show at least LP_PATH_KEEP leading dirs and current directory
_lp_shorten_path()
{
if (( ! LP_ENABLE_SHORTEN_PATH )); then
# We are not supposed to come here often as this case is already
# optimized at install time
LP_PWD="${LP_COLOR_PATH}${LP_PATH_DEFAULT}$NO_COL"
return
fi
local ret=
local p="$(_lp_get_home_tilde_collapsed)"
local mask="${LP_MARK_SHORTEN_PATH}"
local -i max_len=$(( ${COLUMNS:-80} * LP_PATH_LENGTH / 100 ))
if (( LP_PATH_KEEP == -1 )); then
# only show the current directory, excluding any parent dirs
ret="${p##*/}" # discard everything up to and including the last slash
[[ "${ret}" == "" ]] && ret="/" # if in root directory
elif (( ${#p} <= max_len )); then
ret="${p}"
elif (( LP_PATH_KEEP == 0 )); then
# len is over max len, show as much of the tail as is allowed
ret="${p##*/}" # show at least complete current directory
p="${p:0:${#p} - ${#ret}}"
ret="${mask}${p:${#p} - (${max_len} - ${#ret} - ${#mask})}${ret}"
else
# len is over max len, show at least LP_PATH_KEEP leading dirs and
# current directory
local tmp="${p//\//}"
local -i delims=$(( ${#p} - ${#tmp} ))
for (( dir=0; dir < LP_PATH_KEEP; dir++ )); do
(( dir == delims )) && break
local left="${p#*/}"
local name="${p:0:${#p} - ${#left}}"
p="${left}"
ret+="${name%/}/"
done
if (( delims <= LP_PATH_KEEP )); then
# no dirs between LP_PATH_KEEP leading dirs and current dir
ret+="${p##*/}"
else
local base="${p##*/}"
p="${p:0:${#p} - ${#base}}"
[[ ${ret} != "/" ]] && ret="${ret%/}" # strip trailing slash
local -i len_left=$(( max_len - ${#ret} - ${#base} - ${#mask} ))
ret+="${mask}${p:${#p} - ${len_left}}${base}"
fi
fi
# Escape special chars
LP_PWD="${LP_COLOR_PATH}$(_lp_escape "$ret")$NO_COL"
}
if (( LP_ENABLE_SHORTEN_PATH )); then
if (( LP_PATH_KEEP == -1 )); then
# _lp_shorten_path becomes a noop
_lp_shorten_path()
{
:
}
# Will never change
LP_PWD="${LP_COLOR_PATH}${_LP_DIR_SYMBOL}$NO_COL"
fi
else
# Will never change
LP_PWD="${LP_COLOR_PATH}${LP_PATH_DEFAULT}$NO_COL"
if $_LP_SHELL_bash && [[ -n "$PROMPT_DIRTRIM" ]]; then
unset -f _lp_shorten_path
alias _lp_shorten_path=_lp_set_dirtrim
fi
fi
# In Bash shells, PROMPT_DIRTRIM is the number of directories to keep at the end
# of the displayed path (if "\w" is present in the PS1 var).
# Liquid Prompt can calculate this number under two conditions, path shortening
# must be disabled and PROMPT_DIRTRIM must be already set.
_lp_set_dirtrim() {
local p="$(_lp_get_home_tilde_collapsed)"
local -i max_len="${COLUMNS:-80}*$LP_PATH_LENGTH/100"
local -i dt=0
if (( ${#p} > max_len )); then
local q="/${p##*/}"
local show="$q"
# +3 because of the ellipsis: "..."
while (( ${#show}+3 < max_len )); do
(( dt++ ))
p="${p%$q}"
q="/${p##*/}"
show="$q$show"
done
(( dt == 0 )) && dt=1
fi
PROMPT_DIRTRIM=$dt
# For debugging
# echo PROMPT_DIRTRIM=$PROMPT_DIRTRIM >&2
}
################
# 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 )) || return
local ret=""
local -i r s
# Count detached sessions
if (( _LP_ENABLE_DETACHED_SESSIONS )); then
local -i detached=0
(( _LP_ENABLE_SCREEN )) && detached=$(screen -ls 2> /dev/null | \grep -c '[Dd]etach[^)]*)$')
(( _LP_ENABLE_TMUX )) && detached+=$(tmux list-sessions 2> /dev/null | \grep -cv 'attached')
(( detached > 0 )) && ret+="${LP_COLOR_JOB_D}${detached}d${NO_COL}"
fi
# Count running jobs
if (( r = $(jobs -r | wc -l) )); then
[[ -n "$ret" ]] && ret+='/'
ret+="${LP_COLOR_JOB_R}${r}&${NO_COL}"
fi
# Count stopped jobs
if (( s = $(jobs -s | wc -l) )); then
[[ -n "$ret" ]] && ret+='/'
ret+="${LP_COLOR_JOB_Z}${s}z${NO_COL}"
fi
echo -nE "$ret"
}
######################
# VCS branch display #
######################
_lp_are_vcs_enabled()
{
[[ -z "$LP_DISABLED_VCS_PATH" ]] && return 0
$_LP_SHELL_zsh && setopt local_options && setopt sh_word_split
local path
local IFS=:
for path in $LP_DISABLED_VCS_PATH; do
[[ "$PWD" == *"$path"* ]] && return 1
done
return 0
}
# GIT #
# Get the branch name of the current directory
_lp_git_branch()
{
(( LP_ENABLE_GIT )) || return
\git rev-parse --is-inside-work-tree >/dev/null 2>&1 || return
local branch
# Recent versions of Git support the --short option for symbolic-ref, but
# not 1.7.9 (Ubuntu 12.04)
if branch="$(\git symbolic-ref -q HEAD)"; then
_lp_escape "${branch#refs/heads/}"
else
# In detached head state, use commit instead
# No escape needed
\git rev-parse --short -q HEAD
fi
}
# Display additional information if HEAD is in merging, rebasing
# or cherry-picking state
_lp_git_head_status() {
local gitdir
gitdir="$(\git rev-parse --git-dir 2>/dev/null)"
if [[ -f "${gitdir}/MERGE_HEAD" ]]; then
echo " MERGING"
elif [[ -d "${gitdir}/rebase-apply" || -d "${gitdir}/rebase-merge" ]]; then
echo " REBASING"
elif [[ -f "${gitdir}/CHERRY_PICK_HEAD" ]]; then
echo " CHERRY-PICKING"
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 )) || return
local branch
branch="$(_lp_git_branch)"
if [[ -n "$branch" ]]; then
local end
end="${LP_COLOR_CHANGES}$(_lp_git_head_status)${NO_COL}"
if LC_ALL=C \git status --porcelain 2>/dev/null | \grep -q '^??'; then
end="$LP_COLOR_TIME$LP_MARK_UNTRACKED$end"
fi
# Show if there are changes in the index
if [ $(git diff --cached | wc -l) -gt 0 ]; then
end="$LP_COLOR_COMMITS$LP_MARK_INDEX$end"
fi
local remote
remote="$(\git config --get branch.${branch}.remote 2>/dev/null)"
local has_commit=""
local commit_ahead
local commit_behind
if [[ -n "$remote" ]]; then
local remote_branch
remote_branch="$(\git config --get branch.${branch}.merge)"
if [[ -n "$remote_branch" ]]; then
remote_branch=${remote_branch/refs\/heads/refs\/remotes\/$remote}
commit_ahead="$(\git rev-list --count $remote_branch..HEAD 2>/dev/null)"
commit_behind="$(\git rev-list --count HEAD..$remote_branch 2>/dev/null)"
if [[ "$commit_ahead" -ne "0" && "$commit_behind" -ne "0" ]]; then
has_commit="${LP_COLOR_COMMITS}^$commit_ahead${NO_COL}/${LP_COLOR_COMMITS_BEHIND}v$commit_behind${NO_COL}"
elif [[ "$commit_ahead" -ne "0" ]]; then
has_commit="${LP_COLOR_COMMITS}^$commit_ahead${NO_COL}"
elif [[ "$commit_behind" -ne "0" ]]; then
has_commit="${LP_COLOR_COMMITS_BEHIND}v$commit_behind${NO_COL}"
fi
fi
fi
local ret
local shortstat # only to check for uncommitted changes
shortstat="$(LC_ALL=C \git diff --shortstat HEAD 2>/dev/null)"
if [[ -n "$shortstat" ]]; then
local u_stat # shorstat of *unstaged* changes
u_stat="$(LC_ALL=C \git diff --shortstat 2>/dev/null)"
u_stat=${u_stat/*changed, /} # removing "n file(s) changed"
local i_lines # inserted lines
if [[ "$u_stat" = *insertion* ]]; then
i_lines=${u_stat/ inser*}
else
i_lines=0
fi
local d_lines # deleted lines
if [[ "$u_stat" = *deletion* ]]; then
d_lines=${u_stat/*\(+\), }
d_lines=${d_lines/ del*/}
else
d_lines=0
fi
local has_lines
has_lines="+$i_lines/-$d_lines"
if [[ -n "$has_commit" ]]; then
# Changes to commit and commits to push
ret="${branch} ${NO_COL}(${LP_COLOR_DIFF}$has_lines${NO_COL},$has_commit)"
else
ret="${branch} ${NO_COL}(${LP_COLOR_DIFF}$has_lines${NO_COL})" # changes to commit
fi
elif [[ -n "$has_commit" ]]; then
# some commit(s) to push
if [[ "$commit_behind" -gt "0" ]]; then
ret="${LP_COLOR_COMMITS_BEHIND}${branch} ${NO_COL}($has_commit)"
else
ret="${LP_COLOR_COMMITS}${branch} ${NO_COL}($has_commit)"
fi
else
ret="${LP_COLOR_UP}${branch}" # nothing to commit or push
fi
echo -nE "$ret$end"
fi
}
# Search upwards through a directory structure looking for a file/folder with
# the given name. Used to avoid invoking 'hg' and 'bzr'.
_lp_upwards_find()
{
local dir
dir="$PWD"
while [[ -n "$dir" ]]; do
[[ -d "$dir/$1" ]] && return 0
dir="${dir%/*}"
done
return 1
}
# MERCURIAL #
# Get the branch name of the current directory
_lp_hg_branch()
{
(( LP_ENABLE_HG )) || return
# First do a simple search to avoid having to invoke hg -- at least on my