diff --git a/functions b/functions
new file mode 100755
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--- /dev/null
+++ b/functions
@@ -0,0 +1,240 @@
+#!/bin/zsh
+
+################################################################################
+# Utility functions for the prompt                                             #
+################################################################################
+
+
+# Background changes depending on solarized theme
+case ${SOLARIZED_THEME:-dark} in
+    light) local bkg=white;;
+    *)     local bkg=black;;
+esac
+
+local ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[green]%}[%{$fg_bold[blue]%}"
+local ZSH_THEME_GIT_PROMPT_SUFFIX="%{$fg_bold[green]%}]"
+local ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg_no_bold[green]%}✓"
+local ZSH_THEME_GIT_PROMPT_AHEAD="%{$fg_no_bold[cyan]%}▴"
+local ZSH_THEME_GIT_PROMPT_BEHIND="%{$fg_no_bold[magenta]%}▾"
+local ZSH_THEME_GIT_PROMPT_STAGED="%{$fg_no_bold[green]%}●"
+local ZSH_THEME_GIT_PROMPT_UNSTAGED="%{$fg_no_bold[yellow]%}●"
+local ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg_no_bold[red]%}●"
+
+local ZSH_THEME_VIRTUALENV_PREFIX=" %{$fg_bold[green]%}(%{%b$fg[green]%}"
+local ZSH_THEME_VIRTUALENV_SUFFIX="%{$reset_color$fg_bold[green]%})%{$reset_color%}"
+
+# Depending if root or not, displays the right prompt char
+# and changes the color of the username
+if [[ $EUID -eq 0 ]]; then
+  local _USERNAME="%{$fg_bold[red]%}%n"
+  local _LIBERTY="%{$fg_no_bold[red]%}#"
+else
+  local _USERNAME="%{$fg_bold[green]%}%n"
+  local _LIBERTY="%{$fg_no_bold[green]%}$"
+fi
+_LIBERTY="$_LIBERTY%{$reset_color%}"
+
+
+function virtualenv_prompt_info(){
+    [[ -n ${VIRTUAL_ENV} ]] || return
+    echo "${ZSH_THEME_VIRTUALENV_PREFIX:=[}${VIRTUAL_ENV:t}${ZSH_THEME_VIRTUALENV_SUFFIX:=]}"
+}
+
+# disables prompt mangling in virtual_env/bin/activate
+export VIRTUAL_ENV_DISABLE_PROMPT=1
+
+function _prompt_chars() {
+    if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
+        local _GIT_CHAR="%{$fg_no_bold[blue]%}±%{$reset_color%}"
+    else
+        local _GIT_CHAR=' '
+    fi
+
+    local _VENV_PROMPT="%{%}$(virtualenv_prompt_info)"
+
+    echo "$_GIT_CHAR$_VENV_PROMPT $_LIBERTY"
+}
+
+function charge_batterie {
+    local BATTERY=/sys/class/power_supply/BAT0
+    local REM_CAP=`cat $BATTERY/charge_now`
+    local FULL_CAP=`cat $BATTERY/charge_full`
+    local BATSTATE=`cat $BATTERY/status`
+    local CHARGE=$(( $REM_CAP * 100 / $FULL_CAP ))
+    local Batterie=""
+    case $BATSTATE in
+        'Full')
+            Batterie="~";;
+        'Charging')
+            Batterie="+";;
+        'Discharging')
+            Batterie="-";;
+    esac
+    # Maximum à 100%
+    if [ $CHARGE -gt "99" ]
+    then
+        CHARGE=100
+    fi
+    local Couleur="magenta"
+    if [ $CHARGE -gt "15" ]
+    then
+        Couleur="yellow"
+    fi
+    if [ $CHARGE -gt "30" ]
+    then
+        Couleur="green"
+    fi
+
+    echo %{$fg[${Couleur}]%B%}${Batterie}%{%b$fg[${Couleur_batt}]%}$CHARGE%%%{$reset_color%}
+}
+
+space_sh_git_branch () {
+    local ref=$(command git symbolic-ref HEAD 2> /dev/null) || \
+        ref=$(command git rev-parse --short HEAD 2> /dev/null) || return
+    echo "${ref#refs/heads/}"
+}
+
+space_sh_git_status () {
+    _INDEX=$(command git status --porcelain -b 2> /dev/null)
+    local _STATUS=""
+    if $(echo "$_INDEX" | grep '^[AMRD]. ' &> /dev/null); then
+        _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_STAGED"
+    fi
+    if $(echo "$_INDEX" | grep '^.[MTD] ' &> /dev/null); then
+        _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_UNSTAGED"
+    fi
+    if $(echo "$_INDEX" | command grep -E '^\?\? ' &> /dev/null); then
+        _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_UNTRACKED"
+    fi
+    if $(echo "$_INDEX" | grep '^UU ' &> /dev/null); then
+        _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_UNMERGED"
+    fi
+    if $(command git rev-parse --verify refs/stash >/dev/null 2>&1); then
+        _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_STASHED"
+    fi
+    if $(echo "$_INDEX" | grep '^## .*ahead' &> /dev/null); then
+        _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_AHEAD"
+    elif $(echo "$_INDEX" | grep '^## .*behind' &> /dev/null); then
+        _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_BEHIND"
+    fi
+    if $(echo "$_INDEX" | grep '^## .*diverged' &> /dev/null); then
+        _STATUS="$_STATUS$ZSH_THEME_GIT_PROMPT_DIVERGED"
+    fi
+
+    echo $_STATUS
+}
+
+space_sh_git_prompt () {
+    local _branch=$(space_sh_git_branch)
+    local _result=""
+    if [[ "${_branch}x" != "x" ]]; then
+        local _status=$(space_sh_git_status)
+        _result="$ZSH_THEME_GIT_PROMPT_PREFIX$_branch"
+        if [[ "${_status}x" != "x" ]]; then
+            _result="$_result $_status"
+        fi
+        _result="$_result$ZSH_THEME_GIT_PROMPT_SUFFIX"
+    fi
+    echo $_result
+}
+
+################################################################################
+# Prompt display                                                               #
+################################################################################
+
+prompt_msg () {
+    case $(cat /dev/shm/prompt_msg) in
+        update_rc)
+            msg="Update ready for rc";;
+        git_unpushed)
+            msg="You have unpushed business in $HOME/rc";;
+        git_network_unreachable)
+            msg="Can\'t reach rc git repo";;
+        update_sys)
+            msg="Update ready for system";;
+        *)
+            msg="";;
+    esac
+
+    echo $msg
+}
+
+prompt_create () {
+    # Carriage return to give the prompt some air
+    PROMPT="%{$reset_color%}"$'\n'
+
+    # Username, red when logged as root
+    PROMPT+='$_USERNAME'
+
+    # @ symbol
+    PROMPT+="%{$fg_bold[blue]%}@"
+
+    # Hostname, colors defined just above
+    PROMPT+="%{$fg_bold[$couleur_hote]%}"'%m'
+
+    # White space to separate host from pwd
+    PROMPT+=" %{$reset_color%}"
+
+    # Current working directory, use ~ when needed
+    PROMPT+="%{$fg[yellow]%}"'%~'
+
+    # Change the background for the whole line and line feed
+    PROMPT+="%{$fg_bold[green]%} "'$(prompt_msg)'"%E"$'\n'
+
+    # Prompt characters for virtualenv, git and zsh
+    PROMPT+='$(_prompt_chars)'" %{$reset_color%}"
+
+    # Right prompt with current repo informations
+    RPROMPT='$(space_sh_git_prompt)'"%E%{$reset_color%}"
+
+    #PROMPT="$Heure $Utilisateur@$Machine %{$fg_no_bold[yellow]%}%~
+    #%{$reset_color%}%# "
+    #RPROMPT="\$(charge_batterie) %(!,%B[%?]%b,[%?])"
+
+    #RPROMPT="${vcs_info_msg_0_} \$(charge_batterie) %(!,%B[%?]%b,[%?])"
+
+    #RPROMPT=" %(!,%B[%?]%b,[%?])"
+
+    # %{  %} pas d'affichage, à utiliser pour ne pas fausser le calcul de RPROMPT
+    # $fg[color], $fg_(no_)bold[color], $reset_color
+    # black red green yellow blue magenta cyan white
+
+    eval PROMPT='$PROMPT'
+    eval RPROMPT='$RPROMPT'
+}
+
+################################################################################
+# Mise à jour automatique à partir du repo distant                             #
+################################################################################
+#
+update_config () {
+    # Get rc dir path
+    RC_PATH=$(dirname "$(readlink -f ${(%):-%x})")
+
+    CUR_DIR=`pwd`
+    cd $RC_PATH
+
+    # In case the network is down, don't lock the terminal
+    timeout 6 git fetch > /dev/null 2>&1
+    #
+    # Timeout returns 124 on timeout
+    if [ "$?" -ge "124" ]; then
+        echo 'git_network_unreachable' > /dev/shm/prompt_msg
+    fi
+
+    # Check if the repo is clean
+    git_st=$(command git status --porcelain -b 2> /dev/null)
+    if $(echo "$git_st" | grep '^## .*ahead' &> /dev/null); then
+        echo 'git_unpushed' > /dev/shm/prompt_msg
+    elif $(echo "$git_st" | grep '^## .*behind' &> /dev/null); then
+        echo 'update_rc' > /dev/shm/prompt_msg
+    fi
+
+    cd $CUR_DIR
+}
+
+
+#git pull --rebase --stat origin master
+#$RC_PATH/install.sh
+#cd $CUR_DIR
+#source $HOME/.zshrc