#!/bin/bash

# populate Debian image
#

# create a file descriptor for storing log

exec 3>/tmp/error.log

function error {
    >&2 printf "\e[31mE\e[0m: %s\n" "$1"
}

erase_display_char () {
    local i
    local nchar
    nchar=$1
    i=0

    while [ "$i" -lt "$nchar" ]; do
        printf "\b \b"
        ((i=i + 1))
    done
}

install_packages () {
    local package
    package="$1"

    printf "Install %s: " "$package"
    apt-get install -y "$package" 2>&3 | while read -r x; do
    display=""
    pkg_name=""
    case $x in
        Get*)
            pkg_name=$(echo "$x" | awk '{ printf $5 }')
            display="downloading $pkg_name"
        ;;
        Unpack*)
            pkg_name=$(echo "$x" | awk '{ printf $2 }')
            display="Unpacking $pkg_name"
        ;;
        *already*newest*)
            pkg_name=$(echo "$x" | awk '{ printf $1 }')
            display="Already Installed"
            break
        ;;
    esac
	if [[ -n "$display" ]]
        then
            display="$display $pkg_name"
            erase_display_char "$nchar"
            printf "%s" "$display"
            nchar=${#display}
        fi 
    done
}

SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
RECIPE_DIR="${SCRIPT_DIR}/recipe"

[[ ! -d "$RECIPE_DIR" ]] && { error "Recipe dir ${RECIPE_DIR} does not exist"; exit 10; }
export DEBIAN_FRONTEND=noninteractive
export DEBCONF_NONINTERACTIVE_SEEN=true
export LC_ALL=C
export LANGUAGE=C
export LANG=C

for i in  $RECIPE_DIR/*.sh
do
    source $i
done

exit 0