Provide --debug option for very verbose execution

[grml-debootstrap.git] / grml-debootstrap

diff --git a/grml-debootstrap b/grml-debootstrap
index fd63e7d..66c8213 100755 (executable)
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -27,7 +27,7 @@ MNTPOINT="/mnt/debootstrap.$$"
 [ -n "$INSTALL_NOTES" ] || INSTALL_NOTES='/etc/debootstrap/install_notes'
 [ -n "$LOCALES" ] || LOCALES='yes'
 [ -n "$MIRROR" ] || MIRROR="$FALLBACK_MIRROR"
-[ -n "$MKFS" ] || MKFS='mkfs.ext3'
+[ -n "$MKFS" ] || MKFS='mkfs.ext4'
 [ -n "$PACKAGES" ] || PACKAGES='yes'
 [ -n "$PRE_SCRIPTS" ] || PRE_SCRIPTS='yes'
 [ -n "$RECONFIGURE" ] || RECONFIGURE='console-data'
@@ -108,6 +108,7 @@ Configuration options:
 Other options:
 
   -v, --verbose            Increase verbosity.
+      --debug              Execute in very verbose way.
   -h, --help               Print this usage information and exit.
   -V, --version            Show summary of options and exit.
 
@@ -333,6 +334,11 @@ fi
 [ "$_opt_insecure" ]            && echo "Warning: --insecure is deprecated, continuing anyway."
 [ "$_opt_force" ]               && FORCE=$_opt_force
 [ "$_opt_verbose" ]             && VERBOSE="-v"
+[ "$_opt_debug" ]               && DEBUG="true"
+
+if [ "$DEBUG" = "true" ] ; then
+  set -x
+fi
 
 [ "$_opt_help" ] && {
   usage ; eend 0
@@ -889,9 +895,15 @@ mkfs() {
        $MKFS $TARGET ; RC=$?
 
        if [ "$FIXED_DISK_IDENTIFIERS" = "yes" ] ; then
-         einfo "Changing disk uuid for $TARGET to fixed (non-random) value using tune2fs"
-         tune2fs "$TARGET" -U 26ada0c0-1165-4098-884d-aafd2220c2c6
-         eend $?
+         if ! echo "$MKFS" | grep -q "mkfs.ext" ; then
+           eerror "Not changing disk uuid for $TARGET because $MKFS doesn't seem to match for ext{2,3,4} file system"
+           eend 1
+           bailout 1
+         else
+           einfo "Changing disk uuid for $TARGET to fixed (non-random) value using tune2fs"
+           tune2fs "$TARGET" -U 26ada0c0-1165-4098-884d-aafd2220c2c6
+           eend $?
+         fi
        fi
 
        # make sure /dev/disk/by-uuid/... is up2date, otherwise grub
@@ -976,7 +988,7 @@ prepare_vm() {
     dd if="${MBRTMPFILE}" of="${TARGET}" conv=notrunc
     eend $?
   fi
-  parted -s "${TARGET}" 'mkpart primary ext3 2M -1'
+  parted -s "${TARGET}" 'mkpart primary ext4 2M -1'
 
   # if dm-mod isn't available then kpartx will fail with
   # "Is device-mapper driver missing from kernel? [...]"
@@ -1271,7 +1283,11 @@ chrootscript() {
   else
     einfo "Executing chroot-script now"
     mount --bind /dev "$MNTPOINT"/dev
-    chroot "$MNTPOINT" /bin/chroot-script ; RC=$?
+    if [ "$DEBUG" = "true" ] ; then
+      chroot "$MNTPOINT" /bin/sh -x /bin/chroot-script ; RC=$?
+    else
+      chroot "$MNTPOINT" /bin/chroot-script ; RC=$?
+    fi
     umount "$MNTPOINT"/dev
     eend $RC
   fi