Add support for stages to chroot-script

[grml-debootstrap.git] / chroot-script

diff --git a/chroot-script b/chroot-script
index 662365d..1bdfca6 100644 (file)
--- a/chroot-script
+++ b/chroot-script
@@ -4,24 +4,56 @@
 # Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
 # Bug-Reports:   see http://grml.org/bugs/
 # License:       This file is licensed under the GPL v2.
-# Latest change: Sam Nov 18 10:32:33 CET 2006 [mika]
+# Latest change: Mon Apr 09 15:33:33 CEST 2007 [mika]
 ################################################################################
 
 set -e # exit on any error
 
 . /etc/debootstrap/config || exit 1
 
+if [ -z "$STAGES" ] ; then
+   STAGES='/etc/debootstrap/stages'
+   [ -d "$STAGES" ] || mkdir -p "$STAGES"
+fi
+
+stage() {
+  # error handling
+  if [ -z "$1" ] ; then
+     eerror 'Error: stage() requires at least one argument.'
+     eend 1
+     return 1
+  fi
+  if [ -z "$STAGES" ] ; then
+     eerror 'Error: $STAGES not set.'
+     eend 1
+     return 1
+  fi
+  # main function
+  if [ -f "$STAGES/$1" ] ; then
+     if grep -q done "$STAGES/$1" ; then
+        ewarn "Notice: stage $1 has been executed already, skipping execution therefore." ; eend 0
+     fi
+  else
+     echo "$2" > "$STAGES/$1"
+  fi
+}
+
 [ -r /proc/1 ] || mount -t proc   none /proc
 
 if [ -n "$CHROOTMIRROR" ] ; then
+   stage chrootmirror
    echo "deb $CHROOTMIRROR $RELEASE main contrib non-free" > /etc/apt/sources.list
+   stage chrootmirror done
 fi
 
 if [ -n "$GRMLREPOS" ] ; then
+   stage grmlrepos
    echo 'deb     http://grml.org/repos/ ./' >> /etc/apt/sources.list
+   stage grmlrepos done
 fi
 
 if ! [ -r /etc/kernel-img.conf ] ; then
+   stage kernelimg.conf
    echo "Setting up /etc/kernel-img.conf"
    cat > /etc/kernel-img.conf << EOF
 # Kernel Image management overrides
@@ -29,16 +61,20 @@ if ! [ -r /etc/kernel-img.conf ] ; then
 do_initrd = Yes
 do_symlinks = Yes
 EOF
+   stage kernelimg.conf done
 fi
 
 # create default devices
 if ! [ -r /dev/hda20 ] ; then
+   stage makedev
    echo "Creating generic devices in /dev - this might take a while..."
    cd /dev && MAKEDEV generic
+   stage makedev done
 fi
 
 # install additional packages
 if [ "$PACKAGES" = 'yes' ] ; then
+   stage packages
    if ! [ -r /etc/debootstrap/packages ] ; then
      echo "Error: /etc/debootstrap/packages not found, exiting."
      exit 1
@@ -46,14 +82,18 @@ if [ "$PACKAGES" = 'yes' ] ; then
      apt-get update
      apt-get --force-yes -y install $(cat /etc/debootstrap/packages) $GRMLPACKAGES
    fi
+   stage packages done
 fi
 
 # sarge specific stuff
 if [ "$RELEASE" = 'sarge' ] ; then
+   stage mkinitrd
    sed -i "s#ROOT=probe#ROOT=$TARGET#" /etc/mkinitrd/mkinitrd.conf
+   stage mkinitrd done
 fi
 
 if [ -n "$KERNEL" ] ; then
+   stage kernel
    apt-get update
    if [ "$RELEASE" = 'sarge' ] ; then
       KERNELPACKAGES="kernel-image-$KERNEL kernel-headers-$KERNEL"
@@ -61,15 +101,19 @@ if [ -n "$KERNEL" ] ; then
       KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL"
    fi
    apt-get --force-yes -y install $KERNELPACKAGES
+   stage kernel done
 fi
 
 if [ -n "$RECONFIGURE" ] ; then
+   stage reconfigure
    for package in $RECONFIGURE ; do
        dpkg --list $package 1>/dev/null 2>/dev/null && dpkg-reconfigure $package || echo "Warning: $package does not exist, can not reconfigure it."
    done
+   stage reconfigure done
 fi
 
 # set password of user root
+stage passwords
 echo "Activating shadow passwords."
 shadowconfig on
 echo "Setting password for user root:"
@@ -77,13 +121,17 @@ set +e # do not exit if passwd returns error due to missmatching passwords
 passwd
 echo ""
 set -e # restore default behaviour again
+stage passwords done
 
 if ! [ -f /etc/hosts ] ; then
+   stage hosts
    echo "Setting up /etc/hosts"
    echo "127.0.0.1       localhost  $HOSTNAME" > /etc/hosts
+   stage hosts done
 fi
 
 if ! [ -f /etc/network/interfaces ] ; then
+   stage interfaces
    echo "Setting up /etc/network/interfaces"
    cat >> /etc/network/interfaces << EOF
 iface lo inet loopback
@@ -91,15 +139,18 @@ iface eth0 inet dhcp
 auto lo
 auto eth0
 EOF
+   stage interfaces done
 fi
 
 # adjust timezone
 if [ -n "$TIMEZONE" ] ; then
+   stage timezone
    echo "Adjusting /etc/localtime"
    ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime
+   stage timezone done
 fi
 
-function createfstab(){
+createfstab(){
    echo "Setting up /etc/fstab"
 cat > /etc/fstab << EOF
 $TARGET      /            auto    defaults,errors=remount-ro 0   1
@@ -117,18 +168,24 @@ EOF
 
 # set up /etc/fstab if file is not present (cdebootstrap)
 if [ ! -f /etc/fstab  ] ; then
+   stage fstab
    createfstab
+   stage fstab done
 fi
 
 # set up /etc/fstab if file is UNCONFIGURED (debootstrap)
 if grep -q UNCONFIGURED /etc/fstab ; then
+   stage fstab
    createfstab
+   stage fstab done
 fi
 
 # set up hostname
 if [ -n "$HOSTNAME" ] ; then
+   stage hostname
    echo "Setting hostname to ${HOSTNAME}."
    echo "$HOSTNAME" > /etc/hostname
+   stage hostname done
 fi
 
 # assume the first available kernel as our main kernel
@@ -137,6 +194,7 @@ KERNELVER=${KERNELIMG#/boot/vmlinuz-}
 
 # generate initrd
 if [ -n "$INITRD" ] ; then
+   stage initrd
    if [ "$RELEASE" = 'sarge' ] ; then
       echo "Release sarge detected, will not create an initrd."
    else
@@ -147,11 +205,13 @@ if [ -n "$INITRD" ] ; then
          LILOINITRD="        initrd=/boot/initrd.img-$KERNELVER"
       fi
    fi
+   stage initrd done
 fi
 
 if [ -z "$GROOT" ] ; then
-   echo "Warning: \$GROOT is not defined, can not adjust grub configuration therefor."
+   echo "Warning: \$GROOT is not defined, will not adjust grub configuration therefore."
 else
+   stage grub
    echo "Adjusting grub configuration for use on ${GROOT}."
 
    # copy stage-files to /boot/grub/
@@ -170,6 +230,7 @@ else
    # not sure why savedefault does not work for me; any ideas?
    sed -i "s/^savedefault.*/# &/g" /boot/grub/menu.lst
    update-grub -y
+   stage grub done
 fi
 
 # make sure we don't have any running processes left