Fix /proc/mounts-check

[grml-debootstrap.git] / grml-debootstrap

diff --git a/grml-debootstrap b/grml-debootstrap
index 7244fbb..ae1f80d 100755 (executable)
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -4,13 +4,13 @@
 # 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: Mon Apr 16 20:39:13 CEST 2007 [mika]
+# Latest change: Die Jun 05 14:06:21 CEST 2007 [mika]
 ################################################################################
 # http://www.debian.org/releases/stable/i386/index.html.en
 
 set -e # exit on any error
 
-VERSION='0.7'
+VERSION='0.10'
 
 # source core functions {{{
 . /etc/grml/lsb-functions
@@ -47,6 +47,7 @@ usage() {
     -t|--target <target>        Target partition (/dev/...) or directory.
     -r|--release <release>      Specify release of new Debian system. Supported relases: sarge, etch, lenny and sid.
     -m|--mirror <URL>           Specify mirror which should be used for apt-get/aptitude.
+    -i|--iso <mnt>              Specify mountpoint where Debian ISO is mounted to (instead of using mirror)
     -p|--mntpoint <mnt>         Specify mountpoint that should be used for mounting the target system.
     --groot <device>            Specify root device for usage in grub (corresponds with \$TARGET).
     --grub <device>             Where do you want to install grub to? Use grub syntax for specifying.
@@ -93,6 +94,11 @@ while [ "$#" -gt "0" ] ; do
             MIRROR=$1
             CHROOTMIRROR=$1
             ;;
+        -i|--iso)
+            shift
+            [ -n "$MIRROR" ] && unset MIRROR
+            ISO=$1
+            ;;
         -h|--help)
             usage ; eend 0
             eend 0
@@ -154,6 +160,16 @@ else
    ARCHINFO=" (${ARCH})"
 fi
 
+# make sure we have the right syntax when using an iso image
+case $ISO in
+   file*) # do nothing
+    ;;
+   *)
+    ISO=file:$1
+    ;;
+esac
+ISODIR=${ISO##file:}
+
 # provide variables to chroot system
 touch /etc/debootstrap/variables
 chmod 600 /etc/debootstrap/variables # make sure nobody except root can read it
@@ -161,6 +177,8 @@ chmod 600 /etc/debootstrap/variables # make sure nobody except root can read it
 [ -n "$GRUB" ]   && echo "GRUB=$GRUB"     >> /etc/debootstrap/variables
 [ -n "$GROOT" ]  && echo "GROOT=$GROOT"   >> /etc/debootstrap/variables
 [ -n "$TARGET" ] && echo "TARGET=$TARGET" >> /etc/debootstrap/variables
+[ -n "$ISO" ]    && echo "ISO=$ISO"       >> /etc/debootstrap/variables
+[ -n "$ISODIR" ] && echo "ISODIR=$ISO"    >> /etc/debootstrap/variables
 [ -n "$MIRROR" ] && echo "MIRROR=$MIRROR" >> /etc/debootstrap/variables
 [ -n "$MIRROR" ] && echo "CHROOTMIRROR=$MIRROR" >> /etc/debootstrap/variables
 [ -n "$ROOTPASSWORD" ] && echo "ROOTPASSWORD=$ROOTPASSWORD" >> /etc/debootstrap/variables
@@ -186,6 +204,7 @@ bailout(){
         [ -x "$MNTPOINT"/bin/umount ] && chroot "$MNTPOINT" umount -a    1>/dev/null 2>&1
         [ -x "$MNTPOINT"/bin/umount ] && chroot "$MNTPOINT" umount /proc 1>/dev/null 2>&1
         [ -x "$MNTPOINT"/bin/umount ] && chroot "$MNTPOINT" umount /proc 1>/dev/null 2>&1
+        [ -d "$MNTPOINT/$ISODIR" ] && umount "$MNTPOINT/$ISODIR" 1>/dev/null 2>&1
         einfo "Unmounting $MNTPOINT" ; umount "$MNTPOINT" ; eend $?
      fi
   fi
@@ -227,12 +246,13 @@ if [ -n "$AUTOINSTALL" ] ; then
    fi
 else # if not running automatic installation display configuration and prompt for execution:
    einfo "$0 - Please recheck configuration before execution:"
-   echo "
-      Target:           $TARGET"
+   echo
+   echo "   Target:           $TARGET"
       case "$MNTPOINT" in "$TARGET") ;; *) echo "   Mount-point:      $MNTPOINT" ;; esac
       [ -n "$GRUB" ]   && echo "   Install grub to:  $GROOT / $GRUB"
       [ -n "$MIRROR" ] && echo "   Using mirror:     $MIRROR"
-      case "$MNTPOINT" in "$TARGET") ;; *) echo "  Important! Continuing will delete all data from ${TARGET}!" ;; esac
+      [ -n "$ISO" ] && echo "   Using iso:        $ISO"
+      case "$MNTPOINT" in "$TARGET") ;; *) echo "   Important! Continuing will delete all data from ${TARGET}!" ;; esac
       echo
    einfon "Is this ok for you? [y/N] "
    read a
@@ -278,6 +298,12 @@ mount_target() {
        eend $?
      fi
   fi
+  if [ -n "$ISODIR" ] ; then
+     einfo "Mounting Debian image loopback to $MNTPOINT/$ISODIR."
+     mkdir -p "$MNTPOINT/$ISODIR"
+     mount --bind "$ISODIR" "$MNTPOINT/$ISODIR"
+     eend $?
+  fi
 }
 # }}}
 
@@ -287,8 +313,9 @@ debootstrap_system() {
           mount_target
   fi
   if grep -q $MNTPOINT /proc/mounts ; then
-     einfo "Running $DEBOOTSTRAP for release ${RELEASE}${ARCHINFO} using mirror $MIRROR"
-     $DEBOOTSTRAP $ARCHCMD $RELEASE $MNTPOINT $MIRROR
+     einfo "Running $DEBOOTSTRAP for release ${RELEASE}${ARCHINFO} using ${MIRROR}${ISO}"
+     [ -n "$MIRROR" ] && $DEBOOTSTRAP $ARCHCMD $RELEASE $MNTPOINT $MIRROR || \
+     $DEBOOTSTRAP $ARCHCMD $RELEASE $MNTPOINT $ISO
      eend $?
   else
      eerror "Error: $MNTPOINT not mounted, can not continue."
@@ -358,10 +385,19 @@ grub_install() {
 
 # unmount $MNTPOINRT {{{
 umount_chroot() {
-  if [ -n "$PARTITION" ] ; then
-     einfo "Unmount $MNTPOINT"
-     umount $MNTPOINT
-     eend $?
+  if [ -n "$ISODIR" ] ; then
+     if grep -q "$MNTPOINT/$ISODIR" /proc/mounts ; then
+        einfo "Unmount $MNTPOINT/$ISODIR"
+        umount "$MNTPOINT/$ISODIR"
+        eend $?
+     fi
+  fi
+  if grep -q "$MNTPOINT" /proc/mounts ; then
+     if [ -n "$PARTITION" ] ; then
+        einfo "Unmount $MNTPOINT"
+        umount $MNTPOINT
+        eend $?
+     fi
   fi
 }
 # }}}