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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/>.
# See the README.md file for a summary of features.
# Issue #161: do not load if not an interactive shell
# Do not exit if '--no-activate' flag was passed, as it overrides this check
[ "x${-##*i}" = "x$-" ] || [ -z "${TERM-}" ] || [ "x${TERM-}" = xdumb ] && [ "x${1-}" != "x--no-activate" ] && return
if test -n "${BASH_VERSION-}"; then
# Check for recent enough version of bash.
if (( ${BASH_VERSINFO[0]:-0} < 3 || ( ${BASH_VERSINFO[0]:-0} == 3 && ${BASH_VERSINFO[1]:-0} < 2 ) )); then
echo "liquidprompt: Bash version $BASH_VERSION not supported" 2>&1
return
fi
_LP_SHELL_bash=1
_LP_SHELL_zsh=0
_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_FIRST_INDEX=0
_LP_PERCENT='%' # must be escaped on zsh
_LP_BACKSLASH='\\' # must be escaped on bash
# Sed expression using extended regexp to match terminal
# escape sequences with their wrappers
_LP_CLEAN_ESC='\\\[([^\]+|\\[^]])*\\\]'
# Escape the given strings
# Must be used for all strings injected in PS1 that may comes from remote sources,
# like $PWD, VCS branch names...
__lp_escape() {
ret="${1//\\/\\\\}"
}
elif test -n "${ZSH_VERSION-}" ; then
# Check for recent enough version of zsh.
if (( ${ZSH_VERSION:0:1} < 5 )); then
echo "liquidprompt: Zsh version $ZSH_VERSION not supported" 2>&1
return
fi
_LP_SHELL_bash=0
_LP_SHELL_zsh=1
_LP_OPEN_ESC="%{"
_LP_CLOSE_ESC="%}"
_LP_USER_SYMBOL="%n"
_LP_HOST_SYMBOL="%m"
_LP_FQDN_SYMBOL="%M"
_LP_TIME_SYMBOL="%*"
_LP_MARK_SYMBOL='%(!.#.%%)'
_LP_FIRST_INDEX=1
_LP_PERCENT='%%'
_LP_BACKSLASH="\\"
_LP_CLEAN_ESC='%\{([^%]+|%[^}])*%\}'
__lp_escape() {
local arg="${1//\\/\\\\}"
ret="${arg//\%/$_LP_PERCENT}"
}
else
echo "liquidprompt: shell not supported" >&2
return
fi
###############
# OS specific #
###############
# LP_OS detection, default to Linux
case "$(uname)" in
FreeBSD) LP_OS=FreeBSD ;;
DragonFly) LP_OS=FreeBSD ;;
OpenBSD) LP_OS=OpenBSD ;;
Darwin) LP_OS=Darwin ;;
SunOS) LP_OS=SunOS ;;
*) LP_OS=Linux ;;
esac
# Extended regexp patterns for sed
# GNU/BSD sed
_LP_SED_EXTENDED=r
[[ "$LP_OS" = Darwin ]] && _LP_SED_EXTENDED=E
#################
# CONFIGURATION #
#################
# Load the user configuration and setup defaults.
__lp_source_config() {
local lp_terminal_format af_color= ab_color=
# 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="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${_LP_CLOSE_ESC}"
# Foreground colors
__lp_foreground_color 0
local BLACK="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
local BOLD_GRAY="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 1
local RED="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
local BOLD_RED="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 0
__lp_background_color 1
local WARN_RED="${_LP_OPEN_ESC}${af_color}${ab_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 7
local CRIT_RED="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${ab_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 3
local DANGER_RED="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${ab_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 2
local GREEN="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
local BOLD_GREEN="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 3
local YELLOW="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
local BOLD_YELLOW="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 4
local BLUE="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
local BOLD_BLUE="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 5
local PURPLE="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
local MAGENTA="${PURPLE}"
local PINK="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${_LP_CLOSE_ESC}"
local BOLD_PURPLE="${PINK}"
local BOLD_MAGENTA="${PINK}"
__lp_foreground_color 6
local CYAN="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
local BOLD_CYAN="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${_LP_CLOSE_ESC}"
__lp_foreground_color 7
local WHITE="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
local BOLD_WHITE="${_LP_OPEN_ESC}${_LP_TI_BOLD-}${af_color}${_LP_CLOSE_ESC}"
# NO_COL is special: it will be used at runtime, not just during config loading
NO_COL="${_LP_OPEN_ESC}${_LP_TI_RESET-}${_LP_CLOSE_ESC}"
# compute the hash of the hostname and get the corresponding number in
# [1-6] (red,green,yellow,blue,purple or cyan)
local lp_hostname_hash
__lp_hostname_hash
__lp_foreground_color "$(( 1 + lp_hostname_hash % 6 ))"
LP_COLOR_HOST_HASH="${_LP_OPEN_ESC}${af_color}${_LP_CLOSE_ESC}"
# Default values (globals)
LP_BATTERY_THRESHOLD=${LP_BATTERY_THRESHOLD:-75}
LP_LOAD_THRESHOLD=${LP_LOAD_THRESHOLD:-0.60}
LP_LOAD_CAP=${LP_LOAD_CAP:-2.0}
LP_TEMP_THRESHOLD=${LP_TEMP_THRESHOLD:-60}
LP_RUNTIME_THRESHOLD=${LP_RUNTIME_THRESHOLD:-2}
LP_RUNTIME_BELL_THRESHOLD=${LP_RUNTIME_BELL_THRESHOLD:-10}
LP_PATH_LENGTH=${LP_PATH_LENGTH:-35}
LP_PATH_KEEP=${LP_PATH_KEEP:-2}
LP_PATH_CHARACTER_KEEP=${LP_PATH_CHARACTER_KEEP:-3}
LP_PATH_METHOD=${LP_PATH_METHOD:-truncate_chars_from_path_left}
LP_PATH_VCS_ROOT=${LP_PATH_VCS_ROOT:-1}
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_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=${LP_ENABLE_JOBS:-1}
LP_ENABLE_DETACHED_SESSIONS=${LP_ENABLE_DETACHED_SESSIONS:-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_TIME_ANALOG=${LP_TIME_ANALOG:-0}
LP_ENABLE_RUNTIME=${LP_ENABLE_RUNTIME:-1}
LP_ENABLE_RUNTIME_BELL=${LP_ENABLE_RUNTIME_BELL:-0}
LP_ENABLE_VIRTUALENV=${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_PATHS=("${LP_DISABLED_VCS_PATHS[@]-}")
LP_ENABLE_SUDO=${LP_ENABLE_SUDO:-0}
LP_ENABLE_COLOR=${LP_ENABLE_COLOR:-1}
LP_ENABLE_ERROR=${LP_ENABLE_ERROR:-1}
LP_ENABLE_DIRSTACK=${LP_ENABLE_DIRSTACK:-0}
LP_MARK_DEFAULT="${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="${LP_MARK_STASH:-"+"}"
LP_MARK_BRACKET_OPEN="${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_MARK_DIRSTACK="${LP_MARK_DIRSTACK:-"⚞"}"
lp_terminal_format 255 0 0 0 7
LP_COLOR_PATH=${LP_COLOR_PATH:-$lp_terminal_format}
lp_terminal_format 245 0 0 0 7
LP_COLOR_PATH_SEPARATOR=${LP_COLOR_PATH_SEPARATOR:-$lp_terminal_format}
LP_COLOR_PATH_SHORTENED=${LP_COLOR_PATH_SHORTENED:-$lp_terminal_format}
lp_terminal_format 255 0 1 0 7
LP_COLOR_PATH_VCS_ROOT=${LP_COLOR_PATH_VCS_ROOT:-$lp_terminal_format}
LP_COLOR_PATH_LAST_DIR=${LP_COLOR_PATH_LAST_DIR:-$lp_terminal_format}
LP_COLOR_PATH_ROOT=${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:-$CYAN}
LP_COLOR_DIRSTACK=${LP_COLOR_DIRSTACK:-$BOLD_YELLOW}
if [[ -z "${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}
if [[ ${1-} == --no-config ]]; then
return
fi
# Default config file may be the XDG standard ~/.config/liquidpromptrc,
# but heirloom dotfile has priority.
local -a configfiles
configfiles=("$HOME/.liquidpromptrc" "${XDG_CONFIG_HOME:-"$HOME/.config"}/liquidpromptrc")
# trailing ":" is so that ${search#*:} always removes something
local configfile search="${XDG_CONFIG_DIRS:-/etc/xdg}:"
while [[ -n "$search" ]]; do
configfiles+=("${search%%:*}/liquidpromptrc")
search="${search#*:}"
done
configfiles+=("/etc/liquidpromptrc")
for configfile in "${configfiles[@]}"; do
if [[ -f "$configfile" ]]; then
source "$configfile"
break
fi
done
# Deprecations and compatability shims
if [[ -n "${LP_DISABLED_VCS_PATH-}" ]]; then
echo "liquidprompt: LP_DISABLED_VCS_PATH is deprecated. Update your config to use LP_DISABLED_VCS_PATHS array." >&2
(( _LP_SHELL_zsh )) && setopt local_options && setopt sh_word_split
local _path IFS=:
for _path in $LP_DISABLED_VCS_PATH; do
LP_DISABLED_VCS_PATHS+=("$_path")
done
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
if [[ -n ${LP_PATH_DEFAULT-} ]]; then
echo "liquidprompt: LP_PATH_DEFAULT is deprecated. Update your config to set LP_PATH_METHOD." >&2
if (( ! LP_ENABLE_SHORTEN_PATH )); then
# There is just no elegant way to handle this. Fallback to the old way with basic formatting support.
_lp_path_format() {
lp_path=$LP_PATH_DEFAULT
lp_path_format="${LP_COLOR_PATH}${lp_path}${NO_COL}"
}
fi
fi
if [[ -n ${PROMPT_DIRTRIM-} ]] && (( ! LP_ENABLE_SHORTEN_PATH )); then
echo "liquidprompt: PROMPT_DIRTRIM support is deprecated. Update your config to set
LP_PATH_METHOD='truncate_chars_from_path_left' instead." >&2
# This does mostly the same thing, but with our formatting.
LP_ENABLE_SHORTEN_PATH=1
LP_PATH_METHOD="truncate_chars_from_path_left"
LP_PATH_KEEP=1
fi
if [[ $LP_PATH_KEEP == "-1" ]]; then
echo "liquidprompt: LP_PATH_KEEP set to '-1' is deprecated. Update your config to set
LP_PATH_METHOD='truncate_to_last_dir' instead." >&2
LP_PATH_METHOD="truncate_to_last_dir"
fi
}
# Initialize features based on the user config.
lp_activate() {
if (( _LP_SHELL_bash )); then
# 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)
(( ${LP_ENABLE_RUNTIME-0} || ${LP_ENABLE_RUNTIME_BELL-0} )) && trap - DEBUG
complete -F __lp_theme_bash_complete lp_theme
else # zsh
# For ZSH, autoload required functions
autoload -Uz add-zsh-hook
# Disable previous hooks as options that set them
# may have changed
{
add-zsh-hook -d precmd __lp_set_prompt
add-zsh-hook -d preexec __lp_runtime_before
add-zsh-hook -d precmd __lp_runtime_after
} >/dev/null
# Enable the autocomplete if the autocomplete system is initialized.
__lp_is_function compdef && compdef __lp_theme_zsh_complete lp_theme
fi
# TermInfo feature detection
_lp_af_colors=() _lp_ab_colors=()
__lp_foreground_color() { return 2 ; }
__lp_background_color() { return 2 ; }
# TODO handle this case better. With no colors, no need for any escaping
if ! command -v tput >/dev/null; then
echo "liquidprompt: 'tput' not available; will not be able to format terminal" >&2
LP_ENABLE_COLOR=0
else
_LP_TI_RESET="$( { tput sgr0 || tput me ; } 2>/dev/null )"
_LP_TI_BOLD="$( { tput bold || tput md ; } 2>/dev/null )"
_LP_TI_UNDERLINE="$( { tput smul || tput us ; } 2>/dev/null )"
_LP_TI_COLORS="$( tput colors 2>/dev/null )"
_LP_TI_COLORS=${_LP_TI_COLORS:-8}
_LP_TI_BELL="$( { tput bel || tput bl ; } 2>/dev/null )"
if tput setaf 0 >/dev/null 2>&1; then
__lp_foreground_color() { af_color="${_lp_af_colors[$1+1]:=$(tput setaf "$1")}"; }
elif tput AF 0 >/dev/null 2>&1; then
# FreeBSD
__lp_foreground_color() { af_color="${_lp_af_colors[$1+1]:=$(tput AF "$1")}"; }
elif tput AF 0 0 0 >/dev/null 2>&1; then
# OpenBSD
__lp_foreground_color() { af_color="${_lp_af_colors[$1+1]:=$(tput AF "$1" 0 0)}"; }
else
echo "liquidprompt: terminal $TERM does not support foreground colors" >&2
fi
if tput setab 0 >/dev/null 2>&1; then
__lp_background_color() { ab_color="${_lp_ab_colors[$1+1]:=$(tput setab "$1")}"; }
elif tput AB 0 >/dev/null 2>&1; then
# FreeBSD
__lp_background_color() { ab_color="${_lp_ab_colors[$1+1]:=$(tput AB "$1")}"; }
elif tput AB 0 0 0 >/dev/null 2>&1; then
# OpenBSD
__lp_background_color() { ab_color="${_lp_ab_colors[$1+1]:=$(tput AB "$1" 0 0)}"; }
else
echo "liquidprompt: terminal $TERM does not support background colors" >&2
fi
fi
# If tput doesn't exist or lookup failed, still try to send bell
_LP_TI_BELL=${_LP_TI_BELL:-$'\a'}
__lp_source_config "$@"
# Disable feature if the tool is not installed
_lp_require_tool()
{
(( LP_ENABLE_$1 )) && { command -v "$2" >/dev/null || eval LP_ENABLE_$1=0 ; }
}
_lp_require_tool GIT git
_lp_require_tool SVN svn
_lp_require_tool FOSSIL fossil
_lp_require_tool HG hg
_lp_require_tool BZR bzr
_LP_ENABLED_VCSS=()
(( LP_ENABLE_GIT )) && _LP_ENABLED_VCSS+=(git)
(( LP_ENABLE_SVN )) && _LP_ENABLED_VCSS+=(svn)
(( LP_ENABLE_HG )) && _LP_ENABLED_VCSS+=(hg)
(( LP_ENABLE_BZR )) && _LP_ENABLED_VCSS+=(bzr)
if [[ "$LP_OS" = Darwin ]]; then
_lp_require_tool BATT pmset
else
_lp_require_tool BATT acpi
fi
unset -f _lp_require_tool
if (( LP_ENABLE_DETACHED_SESSIONS )); then
command -v screen >/dev/null ; _LP_ENABLE_SCREEN=$(( ! $? ))
command -v tmux >/dev/null ; _LP_ENABLE_TMUX=$(( ! $? ))
fi
# Use standard path symbols inside Midnight Commander
[[ -n "${MC_SID-}" ]] && LP_ENABLE_SHORTEN_PATH=0
# If we are running in a terminal multiplexer, special title escapes
if _lp_multiplexer; then
(( LP_ENABLE_TITLE = LP_ENABLE_TITLE && LP_ENABLE_SCREEN_TITLE ))
LP_TITLE_OPEN=$'\Ek'
# "\e\" but on bash \ must be escaped
LP_TITLE_CLOSE=$'\E'"$_LP_BACKSLASH"
else
LP_TITLE_OPEN=$'\E]0;'
LP_TITLE_CLOSE=$'\a'
fi
[[ "_$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
###############
# Who are we? #
###############
_lp_user
local -i user="$?"
if (( user < 2 )); then # if user is not root
# "sudo -n" is only supported from sudo 1.7.0
if (( LP_ENABLE_SUDO )); then
command -v sudo >/dev/null \
&& LC_MESSAGES=C sudo -V | GREP_OPTIONS= \grep -qE '^Sudo version (1(\.([789]\.|[1-9][0-9])|[0-9])|[2-9])' \
|| LP_ENABLE_SUDO=0
fi
if (( user == 1 )); then
LP_COLOR_USER=$LP_COLOR_USER_ALT
else
LP_COLOR_USER=$LP_COLOR_USER_LOGGED
fi
else # root!
LP_ENABLE_SUDO=0
if (( ! LP_ENABLE_VCS_ROOT )); then
LP_DISABLED_VCS_PATHS=("/")
fi
LP_COLOR_MARK=$LP_COLOR_MARK_ROOT
LP_COLOR_PATH=$LP_COLOR_PATH_ROOT
LP_COLOR_USER=$LP_COLOR_USER_ROOT
fi
#################
# Where are we? #
#################
_LP_RUNTIME_LAST_SECONDS=$SECONDS
if (( LP_ENABLE_RUNTIME || LP_ENABLE_RUNTIME_BELL)); then
if (( _LP_SHELL_zsh )); then
add-zsh-hook preexec __lp_runtime_before
add-zsh-hook precmd __lp_runtime_after
else
_LP_AT_PROMPT=0
# __lp_runtime_before gets called just before bash executes a command,
# including $PROMPT_COMMAND
# Pass $_ to this call, because it sets $_ to what it already was
trap '__lp_runtime_before "$_"' DEBUG
fi
fi
if (( LP_ENABLE_TEMP )); then
# Try each _lp_temp method
# If no function worked, disable the feature
__lp_temp_detect acpi sensors || LP_ENABLE_TEMP=0
fi
if (( LP_ENABLE_LOAD )); then
# Find and save the number of CPUs
__lp_cpu_count
# Convert load config values into usable integers.
local ret
# if load threshold does not have a period in it.
if [[ -z ${LP_LOAD_THRESHOLD//[!\.]} ]]; then
# This is an old value, no need to convert
_LP_LOAD_THRESHOLD=$LP_LOAD_THRESHOLD
else
__lp_floating_scale "$LP_LOAD_THRESHOLD" 100
_LP_LOAD_THRESHOLD=$ret
fi
__lp_floating_scale "$LP_LOAD_CAP" 100
_LP_LOAD_CAP=$ret
fi
if [[ -n ${_LP_THEME_ACTIVATE_FUNCTION-} ]]; then
# Reactivate current theme
"$_LP_THEME_ACTIVATE_FUNCTION"
prompt_on
else
# Set default theme if no theme set
lp_theme default
fi
}
#####################
# Utility Functions #
#####################
# Remove all colors and escape characters of the given string and return a pure text
_lp_as_text() {
# Remove all terminal sequences that we wrapped with $_LP_OPEN_ESC and
# $_LP_CLOSE_ESC.
printf '%s' "$1" | sed "-$_LP_SED_EXTENDED" "s,$_LP_CLEAN_ESC,,g"
}
# Store $2 (or $?) as a true/false value in variable named $1
# Deprecated since v2.0.
_lp_bool() {
local res="${2:-$?}"
if (( res )); then
eval "$1=false"
else
eval "$1=true"
fi
return "$res"
}
_lp_color_map() {
# Default scale: 0..100
# Custom scale: 0..$2
local -i scale value
scale=${2:-100}
if (( $1 >= scale )); then
value=scale-1
elif (( $1 < 0 )); then
value=0
else
value=$1
fi
# Transform the value to a 0..${#COLOR_MAP} scale
ret="${LP_COLORMAP[_LP_FIRST_INDEX+value*${#LP_COLORMAP[*]}/scale]}"
}
# Return true if the input is the name of a function.
__lp_is_function() {
if (( _LP_SHELL_bash )); then
[[ $(LC_ALL=C \type -t "$1") == function ]]
else
[[ $(LC_ALL=C \type -w "$1") == *function ]]
fi
}
# Count the number of lines in the input string. A faster subsitute for 'wc -l'.
__lp_line_count() {
local var="${1//[!$'\n']}"
count=${#var}
}
__lp_hostname_hash() {
# cksum is separated with tab on SunOS, space on others
local cksum="$(hostname | cksum)"
lp_hostname_hash=${cksum%%[$' \t']*}
}
__lp_floating_scale() {
local integer decimal=0 scale=$(( ${#2} - 1 ))
integer=${1%\.*}
if [[ -n ${1//[!\.]} ]]; then
decimal=${1#*\.}
decimal=${decimal:0:$scale}
while (( ${#decimal} < scale )); do
decimal+='0'
done
while [[ ${decimal:0:1} == '0' ]]; do
decimal=${decimal:1}
done
fi
ret=$(( integer * $2 + decimal ))
}
# Return $PWD with $HOME at the start replaced by "~".
__lp_pwd_tilde() { # [path]
# Needs to be in a variable, as different versions of Bash treat '~' in a
# substitution differently
local _path=${1:-$PWD} tilde="~"
lp_pwd_tilde="${_path/#$HOME/$tilde}"
}
# insert a space on the right
# Deprecated since v2.0.
_lp_sr() {
[[ -n "$1" ]] && echo -nE "$1 "
}
# insert a space on the left
# Deprecated since v2.0.
_lp_sl() {
[[ -n "$1" ]] && echo -nE " $1"
}
# insert two spaces, before and after
# Deprecated since v2.0.
_lp_sb() {
[[ -n "$1" ]] && echo -nE " $1 "
}
# Generates a terminal escape sequence to format the terminal.
lp_terminal_format() { # fg, bg, bold, underline, fallback_fg, fallback_bg
lp_terminal_format=
(( LP_ENABLE_COLOR )) || return 2
local af_color ab_color fg bg previous_af_color
fg=$1
bg=${2:-"-1"}
previous_af_color=${_lp_last_af_color-}
lp_terminal_format=${_LP_OPEN_ESC}${_LP_TI_RESET}
if (( $fg >= _LP_TI_COLORS )) && [[ -n ${5-} ]]; then
_lp_last_af_color=$5
elif (( $fg == -2 )); then
: # do nothing, _lp_last_af_color already correct
elif (( $fg == -3 )); then
_lp_last_af_color=$_lp_last_ab_color
elif (( $fg >= 0 )); then
_lp_last_af_color=$fg
else # -1
_lp_last_af_color=-1
fi
if (( ${_lp_last_af_color:-"-1"} >= 0 )); then
__lp_foreground_color "$_lp_last_af_color" && lp_terminal_format+=$af_color
fi
if (( $bg >= _LP_TI_COLORS )) && [[ -n ${6-} ]]; then
_lp_last_ab_color=$6
elif (( $bg == -2 )); then
: # do nothing, _lp_last_ab_color already correct
elif (( $bg == -3 )); then
_lp_last_ab_color=$previous_af_color
elif (( $bg >= 0 )); then
_lp_last_ab_color=$bg
else # -1
_lp_last_ab_color=-1
fi
if (( ${_lp_last_ab_color:-"-1"} >= 0 )); then
__lp_background_color "$_lp_last_ab_color" && lp_terminal_format+=$ab_color
fi
# It turns out there are sequences to reset bold and underline to normal
# (\E[22m and \E[24m in xterm), but they aren't universally supported. This
# means we must reset to all defaults then enable if they are wanted.
# Explicit is safer anyway.
if (( ${3:-0} )); then
lp_terminal_format+=$_LP_TI_BOLD
fi
if (( ${4:-0} )); then
lp_terminal_format+=$_LP_TI_UNDERLINE
fi
lp_terminal_format+=$_LP_CLOSE_ESC
}
# Get a list of themes currently loaded. Looks for functions matching
# _lp_<theme>_theme_prompt().
__lp_theme_list() {
lp_theme_list=()
local -a _functions
if (( _LP_SHELL_zsh )); then
_functions=( "${(ko)functions[@]}" )
else
local IFS=$'\n'
_functions=( $(declare -F) )
fi
local function
for function in "${_functions[@]}"; do
if [[ $function == *_lp_*_theme_prompt ]]; then
function=${function#*_lp_}
lp_theme_list+=("${function%_theme_prompt}")
fi
done
}
__lp_theme_bash_complete() {
COMPREPLY=()
local -a lp_theme_list
local theme partial_theme
partial_theme=${2-}
__lp_theme_list
for theme in "${lp_theme_list[@]}"; do
[[ -n $partial_theme && $theme != "$partial_theme"* ]] && continue
COMPREPLY+=("$theme")
done
}
__lp_theme_zsh_complete() {
local -a lp_theme_list
__lp_theme_list
_describe 'theme' lp_theme_list
}
##########################
# Working Directory Path #
##########################
__lp_get_unique_directory() {
local directory=${1##*/} root=${1%/*}
local -a matching
local -i i
for (( i=1; i < ${#directory}; i++ )); do
lp_unique_directory=${directory:0:$i}
matching=("${root}/${lp_unique_directory}"*/)
if (( ${#matching[@]} == 1 )); then
return 0
fi
done
return 1
}
__lp_end_path_left_shortening() {
if (( is_shortening )); then
shortened_path_length+=${#separator}
if (( shortened_path_length < unshortened_path_length )); then
lp_path_format+="${shortened_directory_format}${LP_MARK_SHORTEN_PATH}"
# This indescriminate adding of a separator can sometimes mean the path
# is slightly longer than it should be, but it is more clear.
lp_path_format+="${separator_format}${separator}"
lp_path+="${LP_MARK_SHORTEN_PATH}/"
else
lp_path+=$unshortened_path_shorten_string
lp_path_format+=$unshortened_path_format_shorten_string
shortened_path_length=$unshortened_path_length
fi
is_shortening=0
fi
}
# methods:
# truncate_chars_from_path_left
# truncate_chars_from_dir_middle
# truncate_chars_from_dir_right
# truncate_chars_to_unique_dir
# truncate_to_last_dir
_lp_path_format() {
local path_format=${1-$LP_COLOR_PATH}
local last_directory_format=${2:-$path_format}
local vcs_root_format=${3:-$last_directory_format}
local shortened_directory_format=${4:-$path_format}
local separator=${5-"/"}
local separator_format=${6-}
lp_path=
lp_path_format=
local lp_pwd_tilde
__lp_pwd_tilde
local display_path=$lp_pwd_tilde
local -i path_length=${#display_path}
local lp_vcs_root lp_vcs_type
local vcs_root_directory=
if (( LP_PATH_VCS_ROOT )) && _lp_find_vcs; then
__lp_pwd_tilde "$lp_vcs_root"
vcs_root_directory=$lp_pwd_tilde
fi
if [[ $path_length == 1 || $LP_PATH_METHOD == "truncate_to_last_dir" ]]; then
if [[ $path_length > 1 ]]; then
lp_path=${display_path##*/}
else
# only root or home to show
lp_path=$display_path
fi
if [[ $display_path == $vcs_root_directory ]]; then
lp_path_format="${vcs_root_format}${lp_path}"
else
lp_path_format="${last_directory_format}${lp_path}"
fi
return
else
if [[ $separator != "/" && ${display_path:0:1} == "/" ]]; then
# The root directory ('/') becomes a directory name instead of a leading separator
# Add one to account for the first / needing to be both replaced and shown
path_length+=1
fi
if [[ ${#separator} > 1 ]]; then
# Add length to account for multichar separators
local slash_count="${display_path//[!\/]}"
path_length+=$(( ${#slash_count} * ( ${#separator} - 1 ) ))
fi
fi
local path_to_proccess="${display_path}/" current_path="" current_directory="" lp_unique_directory
local -i max_len=$(( ${COLUMNS:-80} * LP_PATH_LENGTH / 100 )) directory_count=0 needed_length
local -i shortened_path_length=$path_length is_shortening=0 unshortened_path_length
local unshortened_path_shorten_string unshortened_path_format_shorten_string shortened_path
while [[ -n $path_to_proccess ]]; do
if [[ ${path_to_proccess:0:1} == "/" ]]; then
# Start of root
current_directory="/"
else
current_directory=${path_to_proccess%%/*}
if [[ -n $current_path && $current_path != "/" ]]; then
current_path+="/"
fi
fi
directory_count+=1
current_path+=${current_directory}
path_to_proccess=${path_to_proccess#*/}
if [[ $current_path == $vcs_root_directory ]]; then
__lp_end_path_left_shortening
# No shortening
lp_path+=$current_directory
lp_path_format+="${vcs_root_format}${current_directory}"
elif [[ -z $path_to_proccess ]]; then
__lp_end_path_left_shortening
# Last directory
lp_path+=$current_directory
lp_path_format+="${last_directory_format}${current_directory}"
elif (( LP_ENABLE_SHORTEN_PATH && directory_count > LP_PATH_KEEP \
&& ( shortened_path_length > max_len || ( shortened_path_length >= max_len && is_shortening ) ) )); then
if [[ $LP_PATH_METHOD == "truncate_chars_to_unique_dir" ]] && \
__lp_get_unique_directory "$current_path"; then
lp_path+=$lp_unique_directory
lp_path_format+="${shortened_directory_format}${lp_unique_directory}"
shortened_path_length=$(( shortened_path_length - ${#current_directory} + ${#lp_unique_directory} ))
elif [[ $LP_PATH_METHOD == "truncate_chars_from_path_left" ]]; then
# The only way to know if this consecutive directory shortening
# will actually shorten the path is to both do it and do not and
# compare at the end.
if (( ! is_shortening )); then
unshortened_path_shorten_string=
unshortened_path_format_shorten_string=
unshortened_path_length=$shortened_path_length
shortened_path_length+=${#LP_MARK_SHORTEN_PATH}
fi
needed_length=$(( shortened_path_length - max_len ))
unshortened_path_shorten_string+="${current_directory}/"
unshortened_path_format_shorten_string+="${path_format}${current_directory}${separator_format}${separator}"
if (( needed_length >= ${#current_directory} )); then
# One directory was not enough, need to shorten more.
# Shorten by current directory length plus separator.
shortened_path_length=$(( shortened_path_length - ${#current_directory} - ${#separator} ))
is_shortening=1
else
# Do not need to check if the shortened version is actually shorter.
# If we got to here, it wasn't a forced ending, which means it is.
shortened_path_length=$(( shortened_path_length - needed_length ))
shortened_path="${LP_MARK_SHORTEN_PATH}${current_directory:$needed_length}"
lp_path+=$shortened_path
lp_path_format+="${shortened_directory_format}${shortened_path}"
is_shortening=0
fi
elif [[ $LP_PATH_METHOD == "truncate_chars_from_dir_right" ]] && \
(( ${#LP_MARK_SHORTEN_PATH} + LP_PATH_CHARACTER_KEEP < ${#current_directory} )); then
shortened_path="${current_directory:0:$LP_PATH_CHARACTER_KEEP}${LP_MARK_SHORTEN_PATH}"
lp_path+=$shortened_path
lp_path_format+="${shortened_directory_format}${shortened_path}"
shortened_path_length=$(( shortened_path_length - ${#current_directory} + ${#LP_MARK_SHORTEN_PATH} + LP_PATH_CHARACTER_KEEP ))
elif [[ $LP_PATH_METHOD == "truncate_chars_from_dir_middle" ]] && \
(( ${#LP_MARK_SHORTEN_PATH} + LP_PATH_CHARACTER_KEEP * 2 < ${#current_directory} )); then
shortened_path="${current_directory:0:$LP_PATH_CHARACTER_KEEP}${LP_MARK_SHORTEN_PATH}${current_directory: -$LP_PATH_CHARACTER_KEEP}"
lp_path+=$shortened_path
lp_path_format+="${shortened_directory_format}${shortened_path}"
shortened_path_length=$(( shortened_path_length - ${#current_directory} + ${#LP_MARK_SHORTEN_PATH} + LP_PATH_CHARACTER_KEEP * 2 ))
else
# Need to shorten, but no method matched, or the matched method