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Support overriding configuration via environment variables
[grml-debootstrap.git] / grml-debootstrap
diff --git a/grml-debootstrap b/grml-debootstrap
index dcd2b7b..c87c9b6 100755 (executable)
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -14,30 +14,32 @@ VERSION="${VERSION:-unknown}"
 MNTPOINT="/mnt/debootstrap.$$"
 
 # defaults
-CHROOT_SCRIPTS='yes'
-CONFFILES='/etc/debootstrap'
-DEBCONF='yes'
-DEBIAN_FRONTEND='noninteractive'
-DEBOOTSTRAP='debootstrap'
-EXTRAPACKAGES='yes'
-FORCE=''
-HOSTNAME='grml'
-INITRD='yes'
-INSTALL_NOTES='/etc/debootstrap/install_notes'
-LOCALES='yes'
-MIRROR='http://cdn.debian.net/debian'
-MKFS='mkfs.ext3'
-PACKAGES='yes'
-PRE_SCRIPTS='yes'
-RECONFIGURE='console-data'
-RELEASE='wheezy'
-RM_APTCACHE='yes'
-SCRIPTS='yes'
-SECURE='yes'
-TIMEZONE='Europe/Vienna'
-TUNE2FS='tune2fs -c0 -i0'
-UPGRADE_SYSTEM='yes'
-VMSIZE="2G"
+[ -n "$CHROOT_SCRIPTS"] || CHROOT_SCRIPTS='yes'
+[ -n "$CONFFILES"] || CONFFILES='/etc/debootstrap'
+[ -n "$DEBCONF"] || DEBCONF='yes'
+[ -n "$DEBIAN_FRONTEND"] || DEBIAN_FRONTEND='noninteractive'
+[ -n "$DEBOOTSTRAP"] || DEBOOTSTRAP='debootstrap'
+[ -n "$DEFAULT_LOCALES"] || DEFAULT_LOCALES='en_US.UTF-8'
+[ -n "$EXTRAPACKAGES"] || EXTRAPACKAGES='yes'
+[ -n "$FALLBACK_MIRROR"] || FALLBACK_MIRROR='http://http.debian.net/debian'
+[ -n "$FORCE"] || FORCE=''
+[ -n "$HOSTNAME"] || HOSTNAME='grml'
+[ -n "$INITRD"] || INITRD='yes'
+[ -n "$INSTALL_NOTES"] || INSTALL_NOTES='/etc/debootstrap/install_notes'
+[ -n "$LOCALES"] || LOCALES='yes'
+[ -n "$MIRROR"] || MIRROR="$FALLBACK_MIRROR"
+[ -n "$MKFS"] || MKFS='mkfs.ext3'
+[ -n "$PACKAGES"] || PACKAGES='yes'
+[ -n "$PRE_SCRIPTS"] || PRE_SCRIPTS='yes'
+[ -n "$RECONFIGURE"] || RECONFIGURE='console-data'
+[ -n "$RELEASE"] || RELEASE='wheezy'
+[ -n "$RM_APTCACHE"] || RM_APTCACHE='yes'
+[ -n "$SCRIPTS"] || SCRIPTS='yes'
+[ -n "$SECURE"] || SECURE='yes'
+[ -n "$TIMEZONE"] || TIMEZONE='Europe/Vienna'
+[ -n "$TUNE2FS"] || TUNE2FS='tune2fs -c0 -i0'
+[ -n "$UPGRADE_SYSTEM"] || UPGRADE_SYSTEM='yes'
+[ -n "$VMSIZE"] || VMSIZE="2G"
 
 # inside the chroot system locales might not be available, so use minimum:
 export LANG=C
@@ -93,6 +95,7 @@ Configuration options:
                              /etc/debootstrap/packages
       --debconf <file>     Pre-seed packages using specified pre-seed db file.
       --grmlrepos          Enable Grml's Debian repository (deb.grml.org).
+      --backportrepos      Enable Debian's backports repository (backports.debian.org).
       --keep_src_list      Do not overwrite user provided apt sources.list.
       --hostname <name>    Hostname of Debian system.
       --nopassword         Do not prompt for the root password.
@@ -320,6 +323,7 @@ fi
 [ "$_opt_chroot_scripts_set" ]  && CHROOT_SCRIPTS='yes'
 [ "$_opt_keep_src_list" ]       && KEEP_SRC_LIST='yes'
 [ "$_opt_grmlrepos" ]           && GRMLREPOS='yes'
+[ "$_opt_backportrepos" ]       && BACKPORTREPOS='yes'
 [ "$_opt_hostname" ]            && HOSTNAME=$_opt_hostname
 [ "$_opt_password" ]            && ROOTPASSWORD=$_opt_password
 [ "$_opt_nopassword" ]          && NOPASSWORD='yes'
@@ -446,7 +450,7 @@ prompt_for_bootmanager()
   fi
 
   for device in cciss/c0d0 sda hda; do
-    if [ /dev/$device != ${MBRDISK} ]; then
+    if [ "/dev/$device" != "${MBRDISK}" ]; then
       grep -q $device /proc/partitions && \
       ADDITIONAL_PARAMS="$ADDITIONAL_PARAMS:$device:install bootmanager grub into MBR of /dev/$device"
     fi
@@ -467,12 +471,7 @@ prompt_for_bootmanager()
     mbr)
       # /dev/md0: has to be installed in MBR of /dev/md0 and not in /dev/md:
       if echo "$TARGET" | grep -q "/dev/md" ; then
-         # using sw-raid:
-         if [ -n "$SELECTED_PARTITIONS" ] ; then
-            GRUB=$(echo ${SELECTED_PARTITIONS} | awk '{print $1}') # use first disk only
-         else
-            GRUB="$TARGET"
-         fi
+        GRUB="$TARGET"
       else
         GRUB="$MBRDISK"
       fi
@@ -556,7 +555,7 @@ prompt_for_mirror()
   [ $? -eq 0 ] || bailout
 
   if [ "$CHOOSE_MIRROR" = 'net' ] ; then
-     [ -n "$MIRROR" ] || MIRROR='http://cdn.debian.net/debian'
+     [ -n "$MIRROR" ] || MIRROR='http://http.debian.net/debian'
      MIRROR="$(dialog --stdout --title "${PN}" --inputbox \
                "Please enter Debian mirror you would like to use for installing packages." \
                0 0 $MIRROR)"
@@ -729,6 +728,12 @@ else # if not running automatic installation display configuration and prompt fo
       [ -n "$VMSIZE" ] && echo "   Using Virtual Disk file with size of ${VMSIZE}."
    fi
 
+   if [ ! -t 0 -a -z "$ROOTPASSWORD" -a -z "$NOPASSWORD" ] ; then
+      echo
+      echo "   You do not have a TTY allocated, your password will be shown in"
+      echo "   plaintext on the terminal! If you are using SSH, try its -t option!"
+   fi
+
    echo
    echo "   Important! Continuing will delete all data from ${TARGET}!"
 
@@ -845,7 +850,7 @@ if [ -n "$ISO" ] ; then
       file*) # do nothing
       ;;
       *)
-      ISO=file:$1
+      ISO=file:$ISO
       ;;
    esac
 fi
@@ -853,6 +858,12 @@ ISODIR=${ISO##file:}
 ISODIR=${ISODIR%%/}
 # }}}
 
+# Debian ISOs do not contain signed Release files {{{
+if [ -n "$ISO" ] ; then
+    DEBOOTSTRAP_OPT="$DEBOOTSTRAP_OPT --no-check-gpg"
+fi
+# }}}
+
 # create filesystem {{{
 mkfs() {
   if [ -n "$DIRECTORY" ] ; then
@@ -1044,15 +1055,16 @@ debootstrap_system() {
     eend 1 ; exit 1
   fi
 
-  einfo "Running $DEBOOTSTRAP $DEBOOTSTRAP_OPT for release ${RELEASE}${ARCHINFO} using ${MIRROR}${ISO}"
-  if [ -n "$MIRROR" ] ; then
-    einfo "Executing: $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR"
-    $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR
-    RC=$?
-  else
+  if [ -n "$ISO" ] ; then
+    einfo "Running $DEBOOTSTRAP $DEBOOTSTRAP_OPT for release ${RELEASE}${ARCHINFO} using ${ISO}"
     einfo "Executing: $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $ISO"
     $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $ISO
     RC=$?
+  else
+    einfo "Running $DEBOOTSTRAP $DEBOOTSTRAP_OPT for release ${RELEASE}${ARCHINFO} using ${MIRROR}"
+    einfo "Executing: $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR"
+    $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR
+    RC=$?
   fi
 
   if [ $RC -ne 0 ] ; then
@@ -1078,12 +1090,15 @@ preparechroot() {
   chmod 600 $CHROOT_VARIABLES # make sure nobody except root can read it
   echo "# Configuration of ${PN}"                              > $CHROOT_VARIABLES
   [ -n "$ARCH" ]                && echo "ARCH=\"$ARCH\""                               >> $CHROOT_VARIABLES
+  [ -n "$BACKPORTREPOS" ]       && echo "BACKPORTREPOS=\"$BACKPORTREPOS\""             >> $CHROOT_VARIABLES
   [ -n "$CHROOT_SCRIPTS" ]      && echo "CHROOT_SCRIPTS=\"$CHROOT_SCRIPTS\""           >> $CHROOT_VARIABLES
   [ -n "$CONFFILES" ]           && echo "CONFFILES=\"$CONFFILES\""                     >> $CHROOT_VARIABLES
   [ -n "$DEBCONF" ]             && echo "DEBCONF=\"$DEBCONF\""                         >> $CHROOT_VARIABLES
   [ -n "$DEBIAN_FRONTEND" ]     && echo "DEBIAN_FRONTEND=\"$DEBIAN_FRONTEND\""         >> $CHROOT_VARIABLES
   [ -n "$DEBOOTSTRAP" ]         && echo "DEBOOTSTRAP=\"$DEBOOTSTRAP\""                 >> $CHROOT_VARIABLES
+  [ -n "$DEFAULT_LOCALES" ]     && echo "DEFAULT_LOCALES=\"$DEFAULT_LOCALES\""         >> $CHROOT_VARIABLES
   [ -n "$EXTRAPACKAGES" ]       && echo "EXTRAPACKAGES=\"$EXTRAPACKAGES\""             >> $CHROOT_VARIABLES
+  [ -n "$FALLBACK_MIRROR" ]     && echo "FALLBACK_MIRROR=\"$FALLBACK_MIRROR\""         >> $CHROOT_VARIABLES
   [ -n "$FORCE" ]               && echo "FORCE=\"$FORCE\""                             >> $CHROOT_VARIABLES
   [ -n "$GRMLREPOS" ]           && echo "GRMLREPOS=\"$GRMLREPOS\""                     >> $CHROOT_VARIABLES
   [ -n "$GRUB" ]                && echo "GRUB=\"$GRUB\""                               >> $CHROOT_VARIABLES
wrapper around debootstrap