# -*-Shell-script-*-

#########################################################################
# This program is free software: you can redistribute it and/or modify  #
# it under the terms of the version 3 of the GNU General Public License #
# as published by the Free Software Foundation.                         #
#                                                                       #
# 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      #
# General Public License for more details.                              #
#                                                                       #
# You should have received a copy of the GNU General Public License     #
# along with this program. If not, see <http://www.gnu.org/licenses/>.  #
#                                                                       #
# Written by and Copyright (C) Francois Fleuret                         #
# Contact <francois@fleuret.org> for comments & bug reports             #
#########################################################################

# The site-specific and confidential settings are in another file

PRIVATE_BASHRC="${HOME}/private/bashrc.perso"

# If the MANPATH is not set, set it

[ "${MANPATH}" ] || MANPATH=$(manpath)

# If the private bashrc exists, execute it

[ -f "${PRIVATE_BASHRC}" ] && source "${PRIVATE_BASHRC}"

# !!! THIS HAS TO BE HERE EVEN IN THE NON-INTERACTIVE PART OR YOU WILL
# LOSE YOU PREVIOUS HISTORY !!!

export HISTFILESIZE=20000
export HISTSIZE=${HISTFILESIZE}

export HISTIGNORE="${HISTIGNORE}:&:[ ]*"

# I want to save the command time, but I do not want to see it in
# history

export HISTTIMEFORMAT=""

shopt -s histappend

# I realized that most of my settings are meaningful only in
# interactive mode. This should maybe be done more properly through
# using different .bash_profile and .bash_login

[[ ${TERM} == "dumb" ]] || [ ! -t 0 ] && return

# Remove the annoying beeps in console

setterm -blength 0

######################################################################
## The interactive part

export VT_RESET=$'\e[0m'
export VT_BOLD=$'\e[1m'
export VT_UNDERLINE=$'\e[4m'
export VT_BLINK=$'\e[5m'

export VT_SET_TITLE=$'\e]0;'
export VT_END_TITLE=$'\007'

export VT_BLACK_FG=$'\e[30m'
export VT_RED_FG=$'\e[31m'
export VT_GREEN_FG=$'\e[32m'
export VT_YELLOW_FG=$'\e[33m'
export VT_BLUE_FG=$'\e[34m'
export VT_MAGENTA_FG=$'\e[35m'
export VT_CYAN_FG=$'\e[36m'
export VT_WHITE_FG=$'\e[37m'

export VT_BLACK_BG=$'\e[40m'
export VT_RED_BG=$'\e[41m'
export VT_GREEN_BG=$'\e[42m'
export VT_YELLOW_BG=$'\e[43m'
export VT_BLUE_BG=$'\e[44m'
export VT_MAGENTA_BG=$'\e[45m'
export VT_CYAN_BG=$'\e[46m'
export VT_WHITE_BG=$'\e[47m'

# Colorize man pages!

export LESS_TERMCAP_us=${VT_GREEN_FG}
export LESS_TERMCAP_ue=${VT_RESET}
export LESS_TERMCAP_md=${VT_BLUE_FG}${VT_BOLD}
export LESS_TERMCAP_me=${VT_RESET}

# export LESS_TERMCAP_md=$'\e[1;34;40m'

# This prevents ^S from freezing the shell

# stty -ixon

ulimit -c unlimited

alias ..='cd ..'
alias -- -='cd -'
alias rm='rm -i'
alias mv='mv -i'
# alias chmod='chmod -v'
alias chmod='chmod -c'
alias cp='cp -i'
alias rd=rmdir
alias md='mkdir -v'
alias ps='ps uxaf'
alias df='df -hT --sync'
alias grep='grep -i -E --mmap --color=auto'
alias find='ionice -c3 find'
alias pd=pushd
alias val='valgrind --leak-check=full --show-reachable=yes --db-attach=yes '

alias s='screen -d -R -U && clear'

function nh () {
    export HISTFILE=/dev/null
    unalias cd
}

function ding () {
    if [[ $1 && $(which winshepherd.sh) ]]; then
        play -q ~/local/sounds/deskbell.wav &
        unset E_APP_WINDOW
        winshepherd.sh message green "$1"
    else
        play -q ~/local/sounds/deskbell.wav
    fi
}

# alias kj="keyjnote -s -D 1000 -t Crossfade -T 100"
alias impressive="impressive -s -D 1000 -t Crossfade -T 100"

# alias fdupes='fdupes -r .'

# ls colors

if [ -e "${HOME}/.dircolors" ]; then
    eval $(dircolors "${HOME}/.dircolors")
    alias ls='ls --group-directories-first --color'
    alias lt='ls --color -gohtr --time-style="+%Y %b %d %H:%M"'
    alias ll='ls --color -goh --time-style="+%Y %b %d %H:%M"'
    alias lll='ls --color -lth'
    alias l='ls --color -I "*~" -I "*.o"'
    alias less='less -R'
else
    alias ls='ls --group-directories-first'
    alias lt='ls -gohtr --time-style="+%Y %b %d %H:%M"'
    alias ll='ls -goh --time-style="+%Y %b %d %H:%M"'
    alias lll='ls -lth'
    alias l='ls -I "*~" -I "*.o"'
fi

export EDITOR=emacsclient
export GIT_EDITOR=${EDITOR}

######################################################################
# Ignored extensions when completing

# export FIGNORE="CVS"

function latexdiff () {
    # wdiff -n \
        # -w $'\033[30;43m'"[$1]"$'\033[30;41m ' -x $'\033[0m' \
        # -y $'\033[30;43m'"[$2]"$'\033[30;42m ' -z $'\033[0m' \
        # $*

    wdiff -n \
        -w $'\033[30;41m' -x $'\033[0m' \
        -y $'\033[30;42m' -z $'\033[0m' \
        $*

 # | \grep $'\033'"\|section{"
}

######################################################################
# Functions

# Find a file whose name contains a substring

function fn () {
    name=$1
    shift
    find "$@" -name "*${name}*";
}

function bak () {
    while [[ "$1" ]]; do
        cp "$1" "$1".bak
        shift
    done
}

function ua () {
    while [[ "$1" ]]; do

        case "$1" in

            *.tgz|*.tar.gz|*.tbz|*.tar.bz2)
                tar xvf "$1"
                ;;

            *.rar)
                unrar x "$1"
                ;;

            *.zip)
                unzip "$1"
                ;;

            *)
                echo "Unknown file extension $1"
                ;;
        esac

        shift

    done
}

# Create a dir and cd there

function mcd () {
    mkdir -vp "$1"
    cd "$1"
}

# Capture the screen in a dated png

function cap () {
    if [[ $2 ]]; then
        name=$2
    else
        name="capture-$(date +%s).png"
    fi
    echo "Waiting $1 s and saving to ${name}."
    [[ "$1" ]] && sleep "$1"
    echo "Please click on the window to capture."
    xwd  | convert - ${name}
    \ls -l ${name}
}

# Create and CD in a /tmp/tmp.XXXXXX directory. With the '-'
# arguments, do not create one and CD in the most recent instead

function cdt () {
    if [[ "$1" ]]; then
        if [[ "$1" == "-" ]]; then
            cd $(\ls -td /tmp/tmp.?????? | head -1)
        else
            echo "USAGE: cdt [-]" >&2
            return 1
        fi
    else
        cd $(mktemp -d /tmp/tmp.XXXXXX)
    fi
}

alias t='cd /tmp'

function trash () {
    TRASH=$(date +/tmp/trash-%Y-%b-%d-%Hh)

    if [[ -d ${TRASH} ]]; then
        echo "Re-use ${TRASH}"
    else
        mkdir ${TRASH}
        echo "Created ${TRASH}"
    fi

    mv "$@" ${TRASH}
    echo "Trashed $@"
}

# alias trash=trash.sh

function mmsget () {
    mplayer "$1" -dumpstream -dumpfile $(basename "$1")
}

function quicktex () {
    if [[ $1 ]]; then
        MAIN=$1
    else
        MAIN=$(\ls -t *.tex | head -1 | sed -r -e 's/\.tex//')
    fi
    pdflatex ${MAIN}
    bibtex ${MAIN}
    pdflatex ${MAIN}
    pdflatex ${MAIN}
    xpdf ${MAIN}.pdf
}

######################################################################
# http://www.reddit.com/r/linux/comments/akt3j/a_functional_programming_style_map_function_for/

function map () {
    local command i rep
    if [ $# -lt 2 ] || [[ ! "$@" =~ :[[:space:]] ]];then
        echo "Invalid syntax." >&2; return 1
    fi
    until [[ "$1" =~ : ]]; do
        command="$command $1"; shift
    done
    command="$command ${1%:}"; shift
    for i in "$@"; do
        if [[ $command =~ \{\} ]];then
            rep="${command//\{\}/\"$i\"}"
            eval "${rep//\\/\\\\}"
        else
            eval "${command//\\/\\\\} \"${i//\\/\\\\}\""
        fi
    done
}

######################################################################
## A version of pho which stores the image numbers in environment
## variables

function pho () {
    TEMP=$(mktemp /tmp/pho.XXXXXXX)
    $(which pho) "$@" | tee ${TEMP}
    PHO_NOTE_1=$(grep ^"Note 1: " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_2=$(grep ^"Note 2: " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_3=$(grep ^"Note 3: " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_R90=$(grep ^"Rotate 90 \(CW\): " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_R180=$(grep ^"Rotate 180: " ${TEMP} | sed -e "s/^[^:]*: //")
    PHO_NOTE_R270=$(grep ^"Rotate -90 \(CCW\): " ${TEMP} | sed -e "s/^[^:]*: //")
    [[ "${PHO_NOTE_1}" ]] || unset PHO_NOTE_1
    [[ "${PHO_NOTE_2}" ]] || unset PHO_NOTE_2
    [[ "${PHO_NOTE_3}" ]] || unset PHO_NOTE_3
    [[ "${PHO_NOTE_R90}" ]] || unset PHO_NOTE_R90
    [[ "${PHO_NOTE_R180}" ]] || unset PHO_NOTE_R180
    [[ "${PHO_NOTE_R270}" ]] || unset PHO_NOTE_R270
    \rm ${TEMP}
}

# function rotjpeg () {
    # if [ "$1" == "90" ] || [ "$1" == "180" ] || [ "$1" == "270" ]; then
        # TEMP=$(mktemp /tmp/rotjpeg.XXXXXX)
        # echo jpegtran -rotate "$1" -copy all $2 > ${TEMP}
        # echo cp $2 ${2/jpg/}original.jpg
        # echo cp ${TEMP} $2
        # rm ${TEMP}
    # else
        # echo "Can not rotate with an angle of "$1" degrees."
    # fi
# }

######################################################################
## A version of date that shows the time at home if TZ is set

function dt () {
    echo "Local: $(date)"
    if [[ ${TZ} ]]; then
        unset TZ
        echo "Home:  $(date)"
    fi
}

######################################################################
## ifup / ifdown with sudo and memorization of the network

## When invoked without an argument netup uses the same argument as
## the previous time

## When invoked without an argument netdown removes the last interface
## which was netuped

[[ ${NETUP_HISTORY} ]] || NETUP_HISTORY="${HOME}/.netup_history"

function netup () {
    if [[ $(\ifconfig -s | grep -v ^"(Iface|lo) ") ]]; then
        echo "There is already interface(s) up." >&2
        return 1
    fi

    if [[ $(\ps -C dhclient | tail -n +2) ]]; then
        echo "There is already a dhcp client running." >&2
        return 1
    fi

    if [[ $(\ps -C wpa_supplicant | tail -n +2) ]]; then
        echo "There is already a wpa_supplicant running." >&2
        return 1
    fi

    if [[ ! "$@" ]] && [[ -s ${NETUP_HISTORY} ]]; then
        echo "netup <interface>" >&2
        return 1
        # # If we have no argument and there is a .netup_history, use it
        # ARGS=$(cat ${NETUP_HISTORY})
    else
        # Otherwise uses the given arguments, and store them
        ARGS="$@"
        echo ${ARGS} > ${NETUP_HISTORY}
    fi

    if [[ -n "${PRIVATE_INTERFACE_DEFINITION}" ]]; then
        ARGS="-i ${PRIVATE_INTERFACE_DEFINITION} ${ARGS}"
    fi

    echo "Executing ${VT_GREEN_FG}[sudo ifup ${ARGS}]${VT_RESET}"
    sudo ifup ${ARGS}

    # Ugly hack to remove the dsl modem dns server when we add
    # explicitely a dns in the /etc/network/interfaces

    REMOVE_LOCAL_DNS=/usr/local/bin/remove-local-dns.sh

    if [[ -x ${REMOVE_LOCAL_DNS} ]]; then
        echo "Executing ${VT_GREEN_FG}[sudo ${REMOVE_LOCAL_DNS} 192.168]${VT_RESET}"
        sudo ${REMOVE_LOCAL_DNS} 192.168
    fi
}

function netdown () {
    if [[ ! "$@" ]] && [[ -s ${NETUP_HISTORY} ]]; then
        # If there are no arguments and there is a .netup_history, get the
        # interface from it
        ARGS=$(tail -1 ${NETUP_HISTORY} | sed -e "s/=.*$//")
    else
        # Otherwise, use the standard ifdown
        ARGS="$@"
    fi

    if [[ -n "${PRIVATE_INTERFACE_DEFINITION}" ]]; then
        ARGS="-i ${PRIVATE_INTERFACE_DEFINITION} ${ARGS}"
    fi

    echo "Executing sudo ${VT_GREEN_FG}[ifdown ${ARGS}]${VT_RESET}"
    sudo ifdown ${ARGS}
}

function checkgw () {
    GW=$(route -n | grep ^0.0.0.0 | awk '{print $2}')
    if [[ -n "${GW}" ]]; then
        ping ${GW}
    else
        echo "Can not find a getaway." >&2
        return 1
    fi
}

######################################################################
# Show the most recent files, no scroll

function lr () {
    HEIGHT=$(stty size | awk '{print $1}')
    WIDTH=$(stty size | awk '{print $2}')
    \ls -goth --time-style="+%Y %b %d %H:%M" "$@" | \
        head -$((HEIGHT-2)) | \
        cut -b1-${WIDTH}
}

######################################################################
# cd and ls into a directory
# [from http://www.oreillynet.com/onlamp/blog/2007/01/whats_in_your_bash_history.html]

# function c () { cd "$@" && lr; }

######################################################################
# You can change the xterm background color on the fly!

function setxtermbg () {
    echo -n $'\e]11;'$1$'\007'
}

######################################################################
# Shuffle the lines from the stdin

function shuffle () {
    SEED=$1
    [[ $SEED ]] || SEED=0
    awk 'BEGIN{srand('${SEED}')} { print rand()" "$0 }' | sort -g | sed -e "s/^[0-9\.e\-]* //"
}

######################################################################
# Stores the last entered command into a file

KEPT_COMMANDS=${HOME}/.kept_bash_commands

function keep () {
    if [[ ${KEPT_COMMANDS} ]]; then
        LINE="$*"
        [[ "${LINE}" ]] || LINE=$(history | tail -2 | head -1 | sed -e "s/^[0-9 ]*//")
        echo $LINE
        echo $(date)": "${LINE} >> ${KEPT_COMMANDS}
    else
        echo "You have to set \$KEPT_COMMANDS"
    fi
}

######################################################################
# I sometime burn CDs and DVDs

function burn () {
    DEVICE="/dev/cdrw"
    if [[ ! "$1" ]]; then
        echo "burn <iso name | dirname>" >&2
    elif [[ -f "$1" ]]; then
        if [[ $(file "$1" | grep "ISO 9660") ]]; then
            wodim -eject -v dev=${DEVICE} "$1"
        else
            echo "Unknown type of $1" >&2
        fi
    elif [[ -d "$1" ]]; then
        [[ "${TMP_ROOT}" ]] || TMP_ROOT=/tmp/
        TMP=$(mktemp ${TMP_ROOT}/cdimage.XXXXXX) && \
            genisoimage -input-charset iso8859-1 -r -o ${TMP} "$1" && \
            wodim -eject -v dev=${DEVICE} ${TMP}
        rm -f ${TMP}
    else
        echo "Can not find $1" >&2
    fi
}

######################################################################
# And watch DVDs too!

function dvd () {

    echo
    echo " ! @   Seek to the beginning of the previous/next chapter"
    echo " j     Cycle through the available subtitles"
    echo " o     Show/hide the timing"
    echo " x z   Subtitle delay"
    echo " / *   Volume"
    echo

    if [[ "$1" ]]; then
        dvd_device="$1"
        shift
    else
        dvd_device="/dev/dvd"
    fi

    title="1"

    if [[ "$1" ]]; then
        title=$1
        shift
    fi

    # -vc ffmpeg12 -vf yadif

    mplayer > /dev/null \
        -stop-xscreensaver \
        -quiet \
        -alang en -slang en \
        -softvol -softvol-max 1000 \
        -dvd-device ${dvd_device} $* dvd://${title}
}

function ripdvd () {
    if [[ -e "/dev/dvd" ]]; then
        DVD_DEVICE="/dev/dvd"
    elif [[ -e "/dev/dvd3" ]]; then
        DVD_DEVICE="/dev/dvd3"
    else
        echo "Can not find the dvd device." >&2
        return 1
    fi

    echo "Attemptin to rip from ${DVD_DEVICE}."

    mkdir -p ${HOME}/dvds

    cd ${HOME}/dvds
    time dvdbackup -i ${DVD_DEVICE} -v -M $* && eject
}

alias ripcd=abcde

######################################################################
# Upload the sources from the current directory to work

function ulsrc () {
    if [[ ! "${MY_WORK_MACHINE}" ]]; then
        echo "\$MY_WORK_MACHINE undefined" 1>&2
        return 1
    fi

    DIR=${PWD/$HOME\//}

    scp {Makefile,*.{cc,h,sh}} ${MY_WORK_MACHINE}:${DIR}

    echo "Uploaded to ${MY_WORK_MACHINE}:${DIR}/"
}

######################################################################
# Create small images from images

function mksmall () {

    PARAMS="-geometry 800x600"

    # Auto-orient does not seem to work at all, hence the ugly hack
    # with exif below

    # PARAMS="-auto-orient -geometry 800x600"

    echo "Using ${PARAMS}"

    DEST_DIR=$1

    [[ ${DEST_DIR} ]] || DEST_DIR=./small

    mkdir -p ${DEST_DIR}

    if [[ ! -d ${DEST_DIR} ]]; then
        echo "Can not create ${DEST_DIR}" >&2
        return
    fi

    NB_TOTAL=$(find -maxdepth 1 -type f | wc -l)
    NB=0

    for i in $(find -maxdepth 1 -type f); do
        if [[ $(file $i | grep image) ]]; then
            if [[ -e ${DEST_DIR}/$i ]]; then
                echo "The file ${DEST_DIR}/$i already exists."
            else

                # orientation=$(exif $i \
                    # | grep ^Orientation \
                    # | head -1 \
                    # | sed -e "s/^[^|]*|//" \
                    # | sed -e "s/ *$//")

                # case ${orientation} in
                    # ""|"top - left")
                        # rotation_cmd=""
                        # ;;

                    # "right - top")
                        # rotation_cmd="-rotate 90"
                        # ;;

                    # "left - bottom")
                        # rotation_cmd="-rotate 270"
                        # ;;

                    # *)
                        # rotation_cmd=""
                        # echo "Unknown orientation \"${orientation}\" !"
                        # ;;
                # esac

                if [[ $(file ${i/%.*/}.* | grep -E movie) ]] ; then
                    CAPTION_PARAMS="-font FreeSans-Bold -pointsize 32 -fill green -annotate +10+32 Video"
                else
                    CAPTION_PARAMS=""
                fi

                convert ${rotation_cmd} $i ${PARAMS} ${CAPTION_PARAMS} ${DEST_DIR}/$i
            fi

            \ls -lt ${DEST_DIR}/$i
        fi

        NB=$((NB+1))

        echo "$((NB*100/NB_TOTAL))% (${NB}/${NB_TOTAL})"
    done
}

######################################################################
# Move a file to the ~/sources/config directory and replace it where
# it was by a symbolic link

function mvtoconfig () {
    CONFIGDIR=${HOME}/sources/config
    if [[ -d ${CONFIGDIR} ]]; then
        NEWNAME=${CONFIGDIR}/$(basename "$1" | sed -e "s/^\.//")
        mv "$1" $NEWNAME
        ln -s $NEWNAME $1
    else
        echo "Can not find ${CONFIGDIR}"
    fi
}

######################################################################
# Track uncommited files (I presume this is very ugly from a real git
# user perspective)

function git-fm () {
    CURRENT_DIR=$(pwd)
    NB_SUBDIR=0

    for i in $(find -name ".git"); do
        NB_SUBDIR=$((NB_SUBDIR+1))
        cd ${CURRENT_DIR}/$(dirname $i)
        NB_MODIFIED=$(git status | grep modified | wc -l)
        if [[ ${NB_MODIFIED} -gt 0 ]]; then
            echo "$(dirname $i) (${NB_MODIFIED})"
            git status | grep modified \
                | sed -e "s/^#\t/    /" | sed -e "s/modified: *//"
        fi
    done

    cd ${CURRENT_DIR}

    echo "Visited ${NB_SUBDIR} directories."
}

######################################################################
# Commits all directories under git

alias git-ca="echo Are you sure?"

function git-ca () {
    ORIGINAL_PWD=${PWD}
    UNCOMMITTED=""
    for d in $(find ${PWD} -name ".git"  | sed -e "s/\.git$//"); do
        cd $d
        NB_MODIFIED=$(git status | grep modified | wc -l)
        if [[ ${NB_MODIFIED} -gt 0 ]]; then
            if [[ $(pwd) =~ ${NO_AUTOMATIC_GIT_COMMIT} ]]; then
                UNCOMMITTED="${UNCOMMITTED} $(pwd)"
            else
                echo $(pwd)" (${NB_MODIFIED} modified file(s))"
                git commit -a -m "Automatic commit" | grep -v ^#
            fi
            # git gc
        fi
    done

    cd ${ORIGINAL_PWD}

    if [[ ${UNCOMMITTED} ]]; then
        echo "** WARNING: Did not automatically commit${UNCOMMITTED}"
    fi
}

######################################################################
# Backups all git directories into an encrypted backup file located
# either on the usb key or the SD card (in that order) if they can be
# mounted.

function git-backup () {

    BACKUPDIR=/mnt/key

    mount ${BACKUPDIR} 2> /dev/null

    if [[ ! $(mount | grep ${BACKUPDIR}) ]]; then
        BACKUPDIR=/mnt/sd
        mount ${BACKUPDIR}
    fi

    if [[ $(mount | grep ${BACKUPDIR}) ]]; then
        echo "Mounted ${BACKUPDIR}"
    else
        echo "Could not mount the backup directory"
        return 1
    fi

    RESULT=${BACKUPDIR}/gitbackup-$(date +%F-%H%M%S).tgz.mc

    tar zcvf - $(find ${HOME}/ -name .git) \
        | mcrypt -f ${HOME}/private/mcrypt.key > ${RESULT}

    if [[ -f ${RESULT} ]]; then
        ls -lh ${RESULT}
    else
        echo "Could not create the backup!"
        return 1
    fi

    sync

    umount ${BACKUPDIR} && echo "Umounted ${BACKUPDIR}"
}

######################################################################
# Downloads torrents located in ${BT_DIR}/torrents/ and puts the
# result in the ${BT_DIR}

function bt () {
    if [[ ${BT_DIR} ]]; then
        if [[ -d "${BT_DIR}/torrents" ]]; then
            if [[ "$1" ]]; then
                mv "$1" ${BT_DIR}/torrents
            fi
            if [[ "$(ps auxwww | grep btlaunchmanycurses | grep -v grep)" ]]; then
                echo "A client is already running."
            else
                cd ${BT_DIR} && screen btlaunchmanycurses torrents --max_upload_rate 32
            fi
        else
            echo "Directory ${BT_DIR}/torrents does not exist."
        fi
    else
        echo "You have to set \$BT_DIR."
    fi
}

######################################################################
# The complex prompt policy

export PS1

if [ "${CONSOLE}" == "yes" ]; then
    PS1=""
else

# If the login is a standard one (as specified in
# IGNORED_PROMPT_LOGIN, which is set in the private bash file), do not
# show it. I have IGNORED_PROMPT_LOGIN="^fleuret$".

    if [ ! ${IGNORED_PROMPT_LOGIN} ] || [[ ! ${USER} =~ ${IGNORED_PROMPT_LOGIN} ]]; then
        IDENT="${USER}"
    fi

# If the display is not the main one, make the assumption that the
# shell is not running on the localhost, and show the hostname

    [ "${DISPLAY}" != ":0.0" ] && IDENT="${IDENT}@\h"

# If there is the login or the hostname, add a ":" to the prompt

    [ "${IDENT}" ] && IDENT="${IDENT}:"

# If we are root, show that in red

    if [[ ${USER} == "root" ]]; then
        PS1="\[${VT_RED_BG}${VT_WHITE_FG}\]${IDENT}\w\[${VT_RESET}\] "
    else
        PS1="\[${VT_WHITE_BG}${VT_BLACK_FG}\]${IDENT}\w\[${VT_RESET}\] "
    fi

# In an xterm, show the hostname and path in the title bar, highlight
# the prompt

    # [ "${TERMS_WITH_BAR}" ] || TERMS_WITH_BAR="^xterm|screen$"

    # if [[ "${TERM}" =~ "${TERMS_WITH_BAR}" ]]; then
        # PS1="\[${VT_SET_TITLE}shell@\h (\w)${VT_END_TITLE}${VT_WHITE_BG}\]${IDENT}\w\[${VT_RESET}\] "
    # else
        # PS1="\[${VT_WHITE_BG}\]${IDENT}\w\[${VT_RESET}\] "
    # fi

fi

######################################################################
# This implements a local history. If we are in a directory containing
# a writable local history file, we add the last line of the global
# history to it.

LOCAL_HISTORY_FILE=".local_bash_history"

function keep_local_history () {
    if [[ -w "${LOCAL_HISTORY_FILE}" ]]; then
        history 1 | sed -e 's/^ *[0-9]* *//' >> ${LOCAL_HISTORY_FILE}
        TMP=$(mktemp /tmp/lh.XXXXXX)
        \chmod 600 ${TMP}
        uniq < ${LOCAL_HISTORY_FILE} | tail -${HISTSIZE} > ${TMP}
        # mv would replace a symbolic link, while cp keeps it
        \cp ${TMP} ${LOCAL_HISTORY_FILE}
        \rm ${TMP}
        LOCAL_HISTORY_HINT="* "
    else
        LOCAL_HISTORY_HINT=""
    fi
}

PS1="\[${VT_WHITE_BG}\]\${LOCAL_HISTORY_HINT}\[${VT_RESET}\]${PS1}"

######################################################################
# Switch off the history

function histfile_cue () {
    if [[ ! "${HISTFILE}" == "${HOME}/.bash_history" ]]; then
        HISTORY_CUE="[${HISTFILE}]"
    else
        HISTORY_CUE=""
    fi
}

PS1="\[${VT_YELLOW_BG}\]\${HISTORY_CUE}\[${VT_RESET}\]${PS1}"

######################################################################
# The dus command is available on my web site
#
# git clone http://fleuret.org/git/dus/

alias dus='dus -f -i'

######################################################################
# The finddup command is available on my web site
#
# git clone http://fleuret.org/git/finddup/

# alias finddup='finddup -p0d'
alias finddup='finddup -p'

######################################################################
# The selector command is available on my web site
#
# git clone http://fleuret.org/git/selector/

source bash-selector.sh --hist --cd

######################################################################
# And we avoid to put in the history the use of the selector, which we
# do too often

HISTIGNORE="${HISTIGNORE}:selector-history"

######################################################################

function selector-printer () {
    TMP=$(mktemp /tmp/selector-printer.XXXXXX)
    selector -o ${TMP} <(lpstat -a | awk '{print $1}')
    export PRINTER=$(cat ${TMP})
    echo "PRINTER=${PRINTER}"
    rm -f ${TMP}
    lpq
}

######################################################################

function prompt_command () {
# save the history after every command to avoid loosing some when
# multiple shells are open
    history -a
# load the saved history
    history -n
# and the local histories system defined above
    keep_local_history
# and the history cue
    histfile_cue
}

PROMPT_COMMAND="prompt_command"

######################################################################

# Displaying the timezone if it is set

if [[ ${TZ} ]]; then
    echo "${VT_BOLD}${VT_GREEN_FG}Time zone is ${TZ}.${VT_RESET}"
fi

######################################################################