for Issue555

[grml-debootstrap.git] / grml-debootstrap

diff --git a/grml-debootstrap b/grml-debootstrap
index 84f4753..809e9e4 100755 (executable)
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -11,6 +11,7 @@ set -e # exit on any error
 
 # variables {{{
 PN="$(basename $0)"
+prog_real=`readlink -f -- $0`
 VERSION='0.23'
 MNTPOINT="/mnt/debootstrap.$$"
 
@@ -48,13 +49,14 @@ Bootstrap options:
 Configuration options:
 
 
+  -d, --confdir=path     Place of config files for debootstrap, defaults to
+                           /etc/debootstrap
   -c, --config=file      Use specified configuration file, defaults to
-                           /etc/debootstrap/config
-      --packages[=f]     Install packages defined in /etc/debootstrap/packages.
-                           Option arg: alternative package list file.
-      --debconf[=f]      Pre-seed packages using
-                           /etc/debootstrap/debconf-selections. Option arg:
-                           alternative preseed db file.
+                           <confdir>/config
+      --packages[=f]     Install packages defined in <confdir>/packages. Option
+                           arg: alternative package list file.
+      --debconf[=f]      Pre-seed packages using <confdir>/debconf-selections.
+                           Option arg: alternative pre-seed db file.
       --keep_src_list    Do not overwrite user provided apt sources.list.
       --hostname=name    Hostname of Debian system.
       --password=pwd     Use specified password as password for user root.
@@ -99,73 +101,40 @@ fi
 # }}}
 
 # cmdline handling {{{
+# source external command line parameter-processing script
+. $prog_real.clp
+
+# business-logic of command line parameter-processing
+[ "$_opt_mirror" ]             && MIRROR=$_opt_mirror
+[ "$_opt_iso" ]                        && ISO=$_opt_iso
+[ "$_opt_release" ]            && RELEASE=$_opt_release
+[ "$_opt_target" ]             && TARGET=$_opt_target
+[ "$_opt_mntpoint" ]           && MNTPOINT=$_opt_mntpoint
+[ "$_opt_debopt" ]             && DEBOOTSTRAP_OPT=$_opt_debopt
+[ "$_opt_interactive" ]                && INTERACTIVE=1
+[ "$_opt_confdir" ]            && CONFFILES=$_opt_confdir
+[ "$_opt_config" ]             && CONFIGFILE=$_opt_config
+[ "$_opt_packages_set" ]       && PACKAGES='yes'
+[ "$_opt_debconf_set" ]                && DEBCONF='yes'
+[ "$_opt_keep_src_list" ]      && KEEP_SRC_LIST='yes'
+[ "$_opt_hostname" ]           && HOSTNAME=$_opt_hostname
+[ "$_opt_password" ]           && ROOTPASSWORD=$_opt_password
+[ "$_opt_bootappend" ]         && BOOT_APPEND=$_opt_bootappend
+[ "$_opt_groot" ]              && GROOT=$_opt_groot
+[ "$_opt_grub" ]               && GRUB=$_opt_grub
+
+[ "$_opt_help" ] && {
+  usage ; eend 0
+  eend 0
+  exit 0
+}
 
-while [ "$#" -gt "0" ] ; do
-    case $1 in
-        -c|--config)
-            shift
-            CONFIGFILE=$1
-            ;;
-        --grub)
-            shift
-            GRUB=$1
-            ;;
-        --groot)
-            shift
-            GROOT=$1
-            ;;
-        -h|--help)
-            usage ; eend 0
-            eend 0
-            exit 0
-            ;;
-        --hostname)
-            shift
-            HOSTNAME=$1
-            ;;
-        --interactive)
-            INTERACTIVE=1
-            ;;
-        -i|--iso)
-            shift
-            [ -n "$MIRROR" ] && unset MIRROR
-            ISO=$1
-            ;;
-        -m|--mirror)
-            shift
-            MIRROR=$1
-            CHROOTMIRROR=$1
-            ;;
-        -p|--mntpoint)
-            shift
-            MNTPOINT=$1
-            ;;
-        --password)
-            shift
-            ROOTPASSWORD=$1
-            ;;
-        -r|--release)
-            shift
-            RELEASE=$1
-            ;;
-        -t|--target)
-            shift
-            TARGET=$1
-            ;;
-        -v|--version)
-            einfo "$PN - version $VERSION"
-            einfo "Send bug reports to bugs@grml.org or http://grml.org/bugs/"
-            eend 0
-            exit 0
-            ;;
-        *)
-            eerror "Syntax error."
-            usage ; eend 1
-            exit 1
-            ;;
-    esac
-    shift
-done
+[ "$_opt_version" ] && {
+  einfo "$PN - version $VERSION"
+  einfo "Send bug reports to bugs@grml.org or http://grml.org/bugs/"
+  eend 0
+  exit 0
+}
 # }}}
 
 # welcome screen {{{
@@ -754,9 +723,11 @@ preparechroot() {
   sed -i "s#GRUB=.*#GRUB=\"$GRUB\"#"          $MNTPOINT/etc/debootstrap/config
   sed -i "s#GROOT=.*#GROOT=\"$GROOT\"#"       $MNTPOINT/etc/debootstrap/config
 
-  cp /etc/debootstrap/packages  $MNTPOINT/etc/debootstrap/packages
-  [ -f /etc/debootstrap/debconf-selections -a "$DEBCONF" = 'yes' ] && \
-    cp /etc/debootstrap/debconf-selections $MNTPOINT/etc/debootstrap/
+  cp ${_opt_packages:-/etc/debootstrap/packages} \
+    $MNTPOINT/etc/debootstrap/packages
+  _opt_debconf=${_opt_debconf:-/etc/debootstrap/debconf-selections}
+  [ -f $_opt_debconf -a "$DEBCONF" = 'yes' ] && \
+    cp $_opt_debconf $MNTPOINT/etc/debootstrap/debconf-selections
 
   # notice: do NOT use $CHROOT_VARIABLES inside chroot but statically file instead!
   cp $CHROOT_VARIABLES          $MNTPOINT/etc/debootstrap/variables