# 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: Son Mai 13 11:46:44 CEST 2007 [mika]
################################################################################
# some zsh-stuff {{{
# }}}
# set variables {{{
-
- # old linuxrc version:
- [ -d /cdrom ] && OLDLAYOUT=1 || OLDLAYOUT=''
- # new initramfs layout:
- [ -d /live/image ] && NEWLAYOUT=1 || NEWLAYOUT=''
-
LANG=C
LC_ALL=C
[[ $UID != 0 ]] && runas='sudo' # important for /etc
- check4progs mutt || echo "Warning, mutt not available for mail handling.">&2
- check4progs findchanged tar || { echo "Sorry, can't continue. Exiting.">&2 ; exit 1 }
+ if [ -d /run/live/overlay/rw ] ; then # since Dec 2018
+ CHANGE_DIR='/run/live/overlay/rw'
+ elif [ -d /lib/live/mount/overlay/rw ] ; then # 2012 until Dec 2018, backwards compatibility
+ CHANGE_DIR='/lib/live/mount/overlay/rw'
+ else
+ echo "Error: no overlay directories found (like /lib/live/mount/overlay or /live/overlay)." >&2
+ bailout; exit 1
+ fi
+
+ if [ -d /run/live/rootfs ] ; then
+ ORIG_DIR="$(find /run/live/rootfs/ -maxdepth 1 -name \*.squashfs | head -1)"
+ elif [ -d /lib/live/mount/rootfs ] ; then
+ ORIG_DIR="$(find /lib/live/mount/rootfs/ -maxdepth 1 -name \*.squashfs | head -1)"
+ else
+ echo "Error: no rootfs directories found in '/run/live/rootfs' or '/lib/live/mount/rootfs'." >&2
+ bailout; exit 1
+ fi
+
+ check4progs mutt &>/dev/null || echo "Warning, mutt not available for mail handling.">&2
+ check4progs tar || { echo "Sorry, can't continue. Exiting.">&2 ; bailout ; exit 1 }
CONFIG=/etc/grml/saveconfig
[ -r "$CONFIG" ] && . $CONFIG
GRML_VERSION=$(awk '{print $1}' /etc/grml_version 2>/dev/null || print "not a grml system")
KERNEL=$(uname -a)
- TMPDIR=/tmp
- MAILFILE="$TMPDIR/mail.txt"
+ TMPDIR='/tmp'
+ MAILFILE="${TMPDIR}/mail.txt"
[ -n "$FILELIST" ] || FILELIST=$(mktemp $TMPDIR/filelist.XXXXXX)
+# }}}
# functions {{{
debug(){
}
trap bailout 1 2 3 15
+
+findchanged() {
+ if [ -d "$1" ]; then
+ for i in `(cd "$1"; find . -type f 2>/dev/null | sed 's,^\./,,g' | grep -v ' ' )`; do
+ cmp -s "$1/$i" "$2/$i" || echo "$1/$i"
+ done
+ elif [ -e "$1" ]; then
+ cmp -s "$1" "$2" || echo "$1"
+ fi
+}
# }}}
# usage information {{{
save_etc(){
debug "save etc"
if [ -n "$NEWLAYOUT" ] ; then
- $runas find /live/cow/etc | sed -e 's#/live/cow## ; /etc$/d' >> $FILELIST
+ $runas find "${CHANGE_DIR}/etc" | sed -e "s#${CHANGE_DIR}## ; /etc$/d" >> $FILELIST
else
- $runas findchanged /etc /GRML/etc >> $FILELIST
+ $runas findchanged /etc "${ORIG_DIR}/etc" >> $FILELIST
fi
}
save_configdir(){
debug "save configdir"
if [ -d $HOME/config ] ; then
- ls $HOME/config/* >> $FILELIST 2>/dev/null
+ ls $HOME/config/* >> $FILELIST 2>/dev/null
ls $HOME/config/.* >> $FILELIST 2>/dev/null
fi
}
+# }}}
# create configuration file {{{
create_config(){
if ! [ -r "$FILELIST" ]; then
- echo "Sorry, filelist $FILELIST could not be read." >&2
- echo "Error when generating $FILENAME." >&2
+ echo "Filelist $FILELIST could not be read." >&2
+ echo "Error when generating $FILENAME." >&2
+ bailout ; exit 1
else
- # GNU tar sucks so much, really. Avoid the "file changed as we read it":
- tar cf /dev/null /etc
- # now really execute the according tar command:
- BZIP2=-9 $runas tar -T - -cpPjf "$FILENAME" <"$FILELIST" && \
- echo "Successfully stored configuration in file $FILENAME" || \
- echo "Error when generating $FILENAME." >&2
+ # GNU tar sucks so much, really. Avoid the "file changed as we read it":
+ tar cf /dev/null /etc
+ # now really execute the according tar command:
+ if BZIP2=-9 $runas tar -T - -cpPjf "$FILENAME" <"$FILELIST" ; then
+ echo "Successfully stored configuration in file $FILENAME"
+ else
+ echo "Error when generating $FILENAME." >&2
+ bailout ; exit 1
+ fi
fi
}
# }}}
parse_options $*
# }}}
+# execution wrapper {{{
runit(){
if [[ $SAVE_HOME == "yes" ]]; then
debug "running save_home"
SETSAVE=1
fi
if [ -z $SETSAVE ] ; then
- echo "Sorry, you did not select any configuration which should be saved. Exiting." ; exit 1
+ echo "Sorry, you did not select any configuration which should be saved. Exiting."
+ bailout ; exit 1
fi
}
+# }}}
# now run it
runit