source: client/initrd-tools/upgrade-clients-udeb.sh @ c6087b9

#!/bin/bash
#@file    upgrade-clients-udeb.sh
#@brief   Actualiza los paquetes udeb que deben ser exportados a los clientes.
#@arg  \c distrib - nombre de la distribución de Ubuntu (karmic, jaunty, ...).
#@note    El script debe ser copiado a \c opengnsys/bin y el fichero de configuración a \c opengnsys/etc
#@note    Formato del fichero \c udeb.list :    {install|remove}:paquete


# Variables
PROG="$(basename $0)"
OPENGNSYS=${OPENGNSYS:-"/opt/opengnsys"}
test "$(lsb_release -is 2>/dev/null)" == "Ubuntu" && DEFDISTRIB="$(lsb_release -cs)"
DEFDISTRIB=${DEFDISTRIB:-"lucid"}
DISTRIB=${1:-"$DEFDISTRIB"}             # Si no se indica, usar distribución por defecto.
CFGFILE="$OPENGNSYS/etc/udeblist-$DISTRIB.conf"
OGUDEB="$OPENGNSYS/client/lib/udeb"
TMPUDEB="/tmp/udeb"
UDEBLIST="/etc/apt/sources.list.d/udeb.list"
KERNELVERS=$(strings $OPENGNSYS/tftpboot/linux | awk '/2.6.*generic/ {print $1}')

# Comprobar fichero de configuración.
if [ ! -f "$CFGFILE" ]; then
    echo "$PROG: No existe el fichero de configuración \"$CFGFILE\"" >&2
    exit 1
fi
PACKAGES_INSTALL=$(awk -F: '$1~/install/ {print $2}' $CFGFILE)
PACKAGES_INSTALL=${PACKAGES_INSTALL//KERNELVERS/$KERNELVERS}
PACKAGES_REMOVE=$(awk -F: '$1~/remove/ {print $2}' $CFGFILE)
PACKAGES_REMOVE=${PACKAGES_REMOVE//KERNELVERS/$KERNELVERS}
if [ -z "$PACKAGES_INSTALL" ]; then
    echo "$PROG: No hay paquetes para descargar." >&2
    exit 2
fi

# Crear configuración para apt-get 
echo "deb http://archive.ubuntu.com/ubuntu/ $DISTRIB main/debian-installer universe/debian-installer" >$UDEBLIST
echo "deb http://archive.ubuntu.com/ubuntu/ $DISTRIB-updates main/debian-installer universe/debian-installer" >>$UDEBLIST
mkdir -p $TMPUDEB/partial
rm -f $TMPUDEB/*.udeb

# Descargar paquetes udeb, borrar los descartables y moverlos al NFS.
apt-get update
apt-get install -y -o dir::cache::archives=$TMPUDEB -d $PACKAGES_INSTALL
for i in $PACKAGES_REMOVE; do
    rm -f $TMPUDEB/${i}_*.udeb
done
rm -f $OGUDEB/*.udeb
mv $TMPUDEB/*.udeb $OGUDEB
rm -f $UDEBLIST