Make liquidprompt bash AND zsh compliant
The script now can be sourced from either bash and zsh No more shebang and small improvments added too
This commit is contained in:
Luc Didry
parent
b9223d3404
commit
f51d6d21b5
@ -1,8 +1,7 @@
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#!/bin/bash
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################################################################################
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# LIQUID PROMPT
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# An intelligent and non intrusive prompt for bash
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# An intelligent and non intrusive prompt for bash and zsh
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################################################################################
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@ -33,11 +32,14 @@
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# François Schmidts <fschmidts@olfeo.com> # Simpler SSH_IP acquiring method.
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# Thomas Debesse <thomas.debesse@gmail.com> # Fix columns use.
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# Florian Le Frioux <florian@lefrioux.fr> # Use ± mark when root in VCS dir.
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# Luc Didry <luc@fiat-tux.fr> # Zsh port
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# See the README.md file for a summary of features.
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WORKING_SHELL=$(ps -p $$ | tail -n1 | awk '{print $NF}')
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if [[ "$WORKING_SHELL" == "bash" ]]; then
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# Check for recent enough version of bash.
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[[ -z "$BASH_VERSION" || -z "$PS1" || -z "$TERM" ]] && return;
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@ -48,6 +50,17 @@ if [[ $bmajor -lt 3 ]] || [[ $bmajor -eq 3 && $bminor -lt 2 ]]; then
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fi
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unset bash bmajor bminor
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OPENESCAPE="\["
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CLOSEESCAPE="\]"
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USERSYMBOL="\u"
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HOSTSYMBOL="\h"
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elif [[ "$WORKING_SHELL" == "zsh" ]]; then
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OPENESCAPE="%{"
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CLOSEESCAPE="%}"
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USERSYMBOL="%n"
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HOSTSYMBOL="%m"
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fi
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#################
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# CONFIGURATION #
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@ -96,61 +109,61 @@ esac
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# Colors declarations
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if [[ "$OS" == "FreeBSD" ]] ; then
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BLACK="\[$(tput AF 0)\]"
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BOLD_GRAY="\[$(tput md ; tput AF 0)\]"
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WHITE="\[$(tput AF 7)\]"
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BOLD_WHITE="\[$(tput md ; tput AF 7)\]"
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BLACK="${OPENESCAPE}$(tput AF 0)${CLOSEESCAPE}"
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BOLD_GRAY="${OPENESCAPE}$(tput md ; tput AF 0)${CLOSEESCAPE}"
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WHITE="${OPENESCAPE}$(tput AF 7)${CLOSEESCAPE}"
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BOLD_WHITE="${OPENESCAPE}$(tput md ; tput AF 7)${CLOSEESCAPE}"
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RED="\[$(tput AF 1)\]"
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BOLD_RED="\[$(tput md ; tput AF 1)\]"
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WARN_RED="\[$(tput AF 0 ; tput setab 1)\]"
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CRIT_RED="\[$(tput md; tput AF 7 ; tput setab 1)\]"
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RED="${OPENESCAPE}$(tput AF 1)${CLOSEESCAPE}"
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BOLD_RED="${OPENESCAPE}$(tput md ; tput AF 1)${CLOSEESCAPE}"
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WARN_RED="${OPENESCAPE}$(tput AF 0 ; tput setab 1)${CLOSEESCAPE}"
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CRIT_RED="${OPENESCAPE}$(tput md; tput AF 7 ; tput setab 1)${CLOSEESCAPE}"
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GREEN="\[$(tput AF 2)\]"
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BOLD_GREEN="\[$(tput md ; tput AF 2)\]"
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GREEN="${OPENESCAPE}$(tput AF 2)${CLOSEESCAPE}"
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BOLD_GREEN="${OPENESCAPE}$(tput md ; tput AF 2)${CLOSEESCAPE}"
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YELLOW="\[$(tput AF 3)\]"
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BOLD_YELLOW="\[$(tput md ; tput AF 3)\]"
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YELLOW="${OPENESCAPE}$(tput AF 3)${CLOSEESCAPE}"
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BOLD_YELLOW="${OPENESCAPE}$(tput md ; tput AF 3)${CLOSEESCAPE}"
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BLUE="\[$(tput AF 4)\]"
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BOLD_BLUE="\[$(tput md ; tput AF 4)\]"
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BLUE="${OPENESCAPE}$(tput AF 4)${CLOSEESCAPE}"
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BOLD_BLUE="${OPENESCAPE}$(tput md ; tput AF 4)${CLOSEESCAPE}"
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PURPLE="\[$(tput AF 5)\]"
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PINK="\[$(tput md ; tput AF 5)\]"
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PURPLE="${OPENESCAPE}$(tput AF 5)${CLOSEESCAPE}"
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PINK="${OPENESCAPE}$(tput md ; tput AF 5)${CLOSEESCAPE}"
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CYAN="\[$(tput AF 6)\]"
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BOLD_CYAN="\[$(tput md ; tput AF 6)\]"
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CYAN="${OPENESCAPE}$(tput AF 6)${CLOSEESCAPE}"
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BOLD_CYAN="${OPENESCAPE}$(tput md ; tput AF 6)${CLOSEESCAPE}"
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NO_COL="\[$(tput me)\]"
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NO_COL="${OPENESCAPE}$(tput me)${CLOSEESCAPE}"
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else
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# default to Linux
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BLACK="\[$(tput setaf 0)\]"
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BOLD_GRAY="\[$(tput bold ; tput setaf 0)\]"
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WHITE="\[$(tput setaf 7)\]"
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BOLD_WHITE="\[$(tput bold ; tput setaf 7)\]"
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BLACK="${OPENESCAPE}$(tput setaf 0)${CLOSEESCAPE}"
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BOLD_GRAY="${OPENESCAPE}$(tput bold ; tput setaf 0)${CLOSEESCAPE}"
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WHITE="${OPENESCAPE}$(tput setaf 7)${CLOSEESCAPE}"
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BOLD_WHITE="${OPENESCAPE}$(tput bold ; tput setaf 7)${CLOSEESCAPE}"
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RED="\[$(tput setaf 1)\]"
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BOLD_RED="\[$(tput bold ; tput setaf 1)\]"
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WARN_RED="\[$(tput setaf 0 ; tput setab 1)\]"
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CRIT_RED="\[$(tput bold; tput setaf 7 ; tput setab 1)\]"
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RED="${OPENESCAPE}$(tput setaf 1)${CLOSEESCAPE}"
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BOLD_RED="${OPENESCAPE}$(tput bold ; tput setaf 1)${CLOSEESCAPE}"
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WARN_RED="${OPENESCAPE}$(tput setaf 0 ; tput setab 1)${CLOSEESCAPE}"
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CRIT_RED="${OPENESCAPE}$(tput bold; tput setaf 7 ; tput setab 1)${CLOSEESCAPE}"
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GREEN="\[$(tput setaf 2)\]"
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BOLD_GREEN="\[$(tput bold ; tput setaf 2)\]"
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GREEN="${OPENESCAPE}$(tput setaf 2)${CLOSEESCAPE}"
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BOLD_GREEN="${OPENESCAPE}$(tput bold ; tput setaf 2)${CLOSEESCAPE}"
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YELLOW="\[$(tput setaf 3)\]"
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BOLD_YELLOW="\[$(tput bold ; tput setaf 3)\]"
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YELLOW="${OPENESCAPE}$(tput setaf 3)${CLOSEESCAPE}"
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BOLD_YELLOW="${OPENESCAPE}$(tput bold ; tput setaf 3)${CLOSEESCAPE}"
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BLUE="\[$(tput setaf 4)\]"
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BOLD_BLUE="\[$(tput bold ; tput setaf 4)\]"
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BLUE="${OPENESCAPE}$(tput setaf 4)${CLOSEESCAPE}"
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BOLD_BLUE="${OPENESCAPE}$(tput bold ; tput setaf 4)${CLOSEESCAPE}"
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PURPLE="\[$(tput setaf 5)\]"
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PINK="\[$(tput bold ; tput setaf 5)\]"
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PURPLE="${OPENESCAPE}$(tput setaf 5)${CLOSEESCAPE}"
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PINK="${OPENESCAPE}$(tput bold ; tput setaf 5)${CLOSEESCAPE}"
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CYAN="\[$(tput setaf 6)\]"
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BOLD_CYAN="\[$(tput bold ; tput setaf 6)\]"
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CYAN="${OPENESCAPE}$(tput setaf 6)${CLOSEESCAPE}"
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BOLD_CYAN="${OPENESCAPE}$(tput bold ; tput setaf 6)${CLOSEESCAPE}"
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NO_COL="\[$(tput sgr0)\]"
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NO_COL="${OPENESCAPE}$(tput sgr0)${CLOSEESCAPE}"
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fi
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@ -167,7 +180,7 @@ fi
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# get cpu number
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__cpunum_Linux()
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{
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grep -c ^[Pp]rocessor /proc/cpuinfo
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grep -c '^[Pp]rocessor' /proc/cpuinfo
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}
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__cpunum_FreeBSD()
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@ -225,12 +238,12 @@ __user()
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if [[ "$EUID" -ne "0" ]] ; then
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# if user is not login user
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if [[ ${USER} != "$(logname 2>/dev/null)" ]]; then
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user="${FG}\u${NO_COL}"
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user="${FG}${USERSYMBOL}${NO_COL}"
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else
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user="\u"
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user="${USERSYMBOL}"
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fi
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else
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user="${BOLD_YELLOW}\u${NO_COL}"
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user="${BOLD_YELLOW}${USERSYMBOL}${NO_COL}"
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fi
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echo -ne $user
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@ -249,11 +262,11 @@ __connection()
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# Are we in an SSH connexion?
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SSH_FLAG=0
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SSH_IP=${SSH_CLIENT%% *}
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if [[ $SSH_IP ]] ; then
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if [[ ! -z $SSH_IP ]] ; then
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SSH_FLAG=1
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fi
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SSH2_IP=$(echo $SSH2_CLIENT | awk '{ print $1 }')
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if [[ $SSH2_IP ]] ; then
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if [[ ! -z $SSH2_IP ]] ; then
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SSH_FLAG=1
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fi
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@ -282,14 +295,14 @@ __host_color()
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if [[ $LP_HOSTNAME_ALWAYS == 0 ]] ; then
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ret="${ret}" # no hostname if local
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else
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ret="${ret}@\h"
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ret="${ret}@${HOSTSYMBOL}"
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fi
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elif [[ "$conn" == "ssh" ]] ; then
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ret="${ret}@${BOLD_CYAN}\h"
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ret="${ret}@${BOLD_CYAN}${HOSTSYMBOL}"
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elif [[ "$conn" == "tel" ]] ; then
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ret="${ret}@${WARN_RED}\h"
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ret="${ret}@${WARN_RED}${HOSTSYMBOL}"
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else
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ret="${ret}@\h"
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ret="${ret}@${HOSTSYMBOL}"
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fi
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echo -ne "${ret}${NO_COL}"
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@ -303,7 +316,7 @@ __proxy()
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fi
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}
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# BASH function that shortens
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# BASH/ZSH function that shortens
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# a very long path for display by removing
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# the left most parts and replacing them
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# with a leading ...
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@ -319,8 +332,11 @@ __shorten_path()
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{
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# the character that will replace the part of the path that is masked
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local mask=" … "
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# index of the directory to keep from the root (starts at 0)
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# index of the directory to keep from the root (starts at 0 whith bash, 1 with zsh)
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local keep=$((LP_PATH_KEEP-1))
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if [[ "$WORKING_SHELL" == "zsh" ]]; then
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keep=$LP_PATH_KEEP
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fi
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local len_percent=$2
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@ -337,6 +353,7 @@ __shorten_path()
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# the path and stores their
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# positions
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#
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if [[ "$WORKING_SHELL" == "bash" ]]; then
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local pos=()
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for ((i=0;i<len;i++))
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do
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@ -387,6 +404,58 @@ __shorten_path()
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#
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echo "${p:0:((${pos[${keep}]}+1))}${mask}${p:pos[i]}"
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fi
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elif [[ "$WORKING_SHELL" == "zsh" ]]; then
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pos=()
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for ((i=0;i<len;i++))
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do
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if [[ "$(echo $p[$i,$i])" == "/" ]]
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then
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pos+=($i)
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slashes=$(( $slashes + 1 ))
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fi
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done
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pos+=($len)
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# we have the '/'s, let's find the
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# left-most that doesn't break the
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# length limit
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#
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local i=$keep
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if [[ $keep > $slashes ]] ; then
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i=$slashes
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fi
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i=$(( $i + 1 ))
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while [[ $(( $len - $pos[$i] )) -gt $(( $max_len - $mask_len )) ]]
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do
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i=$(( $i + 1 ))
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done
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# let us check if it's OK to
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# print the whole thing
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#
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if [[ $pos[$i] -eq "0" ]]
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then
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# the path is shorter than
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# the maximum allowed length,
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# so no need for ...
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#
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echo "$p"
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elif [[ $pos[$i] == "$len" ]]
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then
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# constraints are broken because
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# the maximum allowed size is smaller
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# than the last part of the path, plus
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# ' … '
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#
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echo "$( echo $p[1,$(( $pos[$keep] ))] )${mask}$( echo $p[$(( 0 - $max_len + $mask_len )),-1] )"
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else
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# constraints are satisfied, at least
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# some parts of the path, plus ' … ', are
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# shorter than the maximum allowed size
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#
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echo "$( echo $p[1,$(( $pos[$keep] ))])${mask}$( echo $p[$pos[$i],-1] )"
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fi
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fi
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else
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echo "$p"
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fi
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@ -695,7 +764,10 @@ __smart_mark()
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COL=${BOLD_RED}
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fi
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local mark="\\\$"
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local mark="\$"
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if [[ "$WORKING_SHELL" == "zsh" ]]; then
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mark="%(!.#.$)"
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fi
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if [[ ! -z $(__git_branch) ]] ; then
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mark="±"
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elif [[ ! -z $(__hg_branch) ]] ; then
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@ -799,9 +871,19 @@ prompt_on()
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# if liquidprompt has not been already set
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if [[ -z "$LP_LIQUIDPROMPT" ]] ; then
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LP_OLD_PS1="$PS1"
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if [[ "$WORKING_SHELL" == "bash" ]]; then
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LP_OLD_PROMPT_COMMAND="$PROMPT_COMMAND"
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elif [[ "$WORKING_SHELL" == "zsh" ]]; then
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LP_OLD_PROMPT_COMMAND="$precmd"
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fi
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fi
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if [[ "$WORKING_SHELL" == "bash" ]]; then
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PROMPT_COMMAND=__set_bash_prompt
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elif [[ "$WORKING_SHELL" == "zsh" ]]; then
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function precmd {
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__set_bash_prompt
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}
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fi
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# Keep in mind that LP has been sourced
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# (to avoid recursive prompt command).
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@ -812,14 +894,22 @@ prompt_on()
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prompt_off()
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{
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PS1=$LP_OLD_PS1
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if [[ "$WORKING_SHELL" == "bash" ]]; then
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PROMPT_COMMAND=$LP_OLD_PROMPT_COMMAND
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elif [[ "$WORKING_SHELL" == "zsh" ]]; then
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precmd=$LP_OLD_PROMPT_COMMAND
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fi
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}
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# Use an empty prompt: just the \$ mark
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prompt_OFF()
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{
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PS1="\$ "
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if [[ "$WORKING_SHELL" == "bash" ]]; then
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PROMPT_COMMAND=$LP_OLD_PROMPT_COMMAND
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elif [[ "$WORKING_SHELL" == "zsh" ]]; then
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precmd=$LP_OLD_PROMPT_COMMAND
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fi
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}
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# By default, sourcing liquidprompt.bash will activate the liquid prompt
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