Package: flash-kernel Version: 3.13 Severity: wishlist Dear Mantainer,
After solving a boot problem I had, I've considered very useful to have an up-to-date backup of mtdblock partitions, that could be used to restore the SPI NOR Flash in case of disaster. I think this would be useful to pretty much everyone, not just me. To achieve this, and not wanting to fiddle with flash-kernel source at this point, I've created the following script (pardon my poor scripting skills) and linked to it on /etc/initramfs/post-update.d/, but I think it should be integrated in flash-kernel. I understand the impact in terms of flash-kernel execution time, but, IMO, is well worth it. Could you please consider including this functionality in flash-kernel? Thank you! Ruben ---------- Begin of Script ---------- #!/bin/sh BACKUP_KEEP_AT_MOST=5 BACKUP_DIRECTORY=/var/backups BACKUP_SUBDIRECTORY=flash-kernel backup_mtdblocks() { [ ! -d "$BACKUP_DIRECTORY" ] && return 0 local PARTITION_COUNT=$('ls' -1 /dev/mtdblock* | 'wc' -l) if [ "$PARTITION_COUNT" != "0" ]; then local TIME=$(date +"%Y-%m-%d_%H-%M-%S") rm -fr $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/$TIME > /dev/null 2>&1 mkdir -p $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/$TIME > /dev/null 2>&1 echo "Backing up $PARTITION_COUNT /dev/mtdblock* partition(s) to $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/$TIME..." echo "Generated at $TIME. Contents are as follows:" > $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/$TIME/description for PARTITION in $('ls' -dtr1 /dev/mtdblock*); do local FILE=$('basename' $PARTITION) echo -n "$FILE... " cat $PARTITION > $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/$TIME/$FILE echo "Ok!" echo -n "$FILE: " >> $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/$TIME/description 'file' -b $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/$TIME/$FILE >> $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/$TIME/description done fi echo -n "Keeping only last $BACKUP_KEEP_AT_MOST backups... " 'ls' -dtr1 $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/*/ | 'head' -n -$BACKUP_KEEP_AT_MOST | 'xargs' rm -fr echo "Ok! Current backups are:" 'ls' -dtr1 $BACKUP_DIRECTORY/$BACKUP_SUBDIRECTORY/*/ | sort echo "Done!" return 0 } backup_mtdblocks exit $? ---------- End of Script ---------- -- System Information: Debian Release: jessie/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: armel (armv5tel) Kernel: Linux 3.12-1-kirkwood Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages flash-kernel depends on: ii devio 1.2-1+b1 ii initramfs-tools 0.115 ii linux-base 3.5 flash-kernel recommends no packages. Versions of packages flash-kernel suggests: ii u-boot-tools 2013.10-3 -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org