Synopsis
--------
-grml-live [-a <architecture>] [-c <classe[s]>] [-C <configfile>] [-g
-<grml_name>] [-i <iso_name> ] [-o <output_directory>] [-r <release_name>] [-s
-<suite>] [-t <template_directory>] [-v <version_number>] [-U <username>] [
+grml-live [-a <architecture>] [-c <classe[s]>] [-C <configfile>] [
+-e <extract_iso_name>] [-g <grml_name>] [-i <iso_name>] [
+-o <output_directory>] [-r <release_name>] [-s <suite>] [
+-t <template_directory>] [-v <version_number>] [-U <username>] [
-AbBFnNqQuVz]
Description
directory. This directory is what's being referred to as ${GRML_FAI_CONFIG}
throughout this documentation.
+ -e **EXTRACT_ISO_NAME**::
+
+The squashfs inside the specified ISO will be extracted and used as the chroot.
+This option is useful for remastering, in combination with -A and -b or -u.
+
-F::
Force execution and do not prompt for acknowledgment of configuration.
-C <configfile> configuration file for grml-live
-d <date> use specified date instead of build time as date of release
-D <configdir> use specified configuration directory instead of /etc/grml/fai
+ -e <iso_name> extract ISO and squashfs contents from iso_name
-F force execution without prompting
-g <grml_name> set the grml flavour name
-h display short usage information and exit
# }}}
# command line parsing {{{
-while getopts "a:C:c:d:D:g:i:I:o:r:s:t:T:U:v:AbBFnNqQuVz" opt; do
+while getopts "a:C:c:d:D:e:g:i:I:o:r:s:t:T:U:v:AbBFnNqQuVz" opt; do
case "$opt" in
a) ARCH="$OPTARG" ;;
A) PACK_ARTIFACTS=1 ;;
C) LOCAL_CONFIG="$(readlink -f $OPTARG)" ;;
d) DATE="$OPTARG" ;;
D) GRML_FAI_CONFIG="$(readlink -f $OPTARG)" ;;
+ e) EXTRACT_ISO_NAME="$(readlink -f $OPTARG)" ;;
g) GRML_NAME="$OPTARG" ;;
i) ISO_NAME="$OPTARG" ;;
I) CHROOT_INSTALL="$OPTARG" ;;
[ -n "$LOCAL_CONFIG" ] && echo " Configuration: $LOCAL_CONFIG"
[ -n "$GRML_FAI_CONFIG" ] && echo " Config directory: $GRML_FAI_CONFIG"
echo " main directory: $OUTPUT"
+ [ -n "$EXTRACT_ISO_NAME" ] && echo " Extract ISO: $EXTRACT_ISO_NAME"
[ -n "$UNPACK_CHROOT" ] && echo " Chroot from: $UNPACK_CHROOT"
[ -n "$CHROOT_OUTPUT" ] && echo " Chroot target: $CHROOT_OUTPUT"
[ -n "$BUILD_OUTPUT" ] && echo " Build target: $BUILD_OUTPUT"
fi
# }}}
+# unpack iso/squashfs {{{
+extract_iso() {
+if [ -n "$EXTRACT_ISO_NAME" ]; then
+ log "Unpacking ISO from ${EXTRACT_ISO_NAME}"
+ einfo "Unpacking ISO from ${EXTRACT_ISO_NAME}"
+ local mountpoint=$(mktemp -d)
+ local rc=0
+ mount -o loop "${EXTRACT_ISO_NAME}" "$mountpoint" ; rc=$?
+ if [ "$rc" != 0 ]; then
+ rmdir "$mountpoint"
+ log "mount failed"
+ eerror "mount failed"
+ eend 1
+ bailout 1
+ fi
+ unsquashfs -d "${CHROOT_OUTPUT}" "${mountpoint}"/live/*.squashfs ; rc=$?
+ umount "$mountpoint"
+ rmdir "$mountpoint"
+ if [ "$rc" != 0 ]; then
+ log "unsquashfs failed"
+ eerror "unsquashfs failed"
+ eend 1
+ bailout 1
+ fi
+fi
+}
+extract_iso
+# }}}
+
# cleanup CHROOT_ARCHIVE now {{{
if [ -n "${PACK_ARTIFACTS}" ]; then
# can't do this earlier, as UNPACK_CHROOT might point to CHROOT_ARCHIVE