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Last change
on this file since 331 was 236, checked in by Rick van der Zwet, 14 years ago |
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When script is running multiple times a day, this file names is not 'unique' enough.
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Property svn:executable
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Property svn:keywords
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Id
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File size:
746 bytes
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| 1 | #!/bin/sh
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| 2 | #
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| 3 | # $Id: etcbackup.sh 236 2010-11-21 12:09:48Z rick $
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| 4 | # Poor mans configuration backup. Only save the new backup if configuration
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| 5 | # content changes
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| 6 | #
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| 7 | # Rick van der Zwet <info@rickvanderzwet.nl>
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| 8 |
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| 9 | TAG=`date "+%Y%m%d.%H:%M"`
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| 10 |
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| 11 | BACKUPROOT=/usr/local/backup/config
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| 12 | TARGET=$BACKUPROOT/etc-$TAG.tar
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| 13 |
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| 14 | # Check for last backup file
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| 15 | mkdir -p $BACKUPROOT
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| 16 | LAST=`ls -t1 /usr/local/backup/config/etc-*.tar | head -1`
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| 17 |
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| 18 | if [ "$LAST" = "$TARGET" ]; then
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| 19 | echo "# Error file '$TARGET' does already exists" 1>&2
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| 20 | exit 1
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| 21 | fi
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| 22 |
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| 23 | # Create new backup file
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| 24 | tar -C / -cf $TARGET etc usr/local/etc 2>&1
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| 25 |
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| 26 | # If old file this exists, only keep new files if changes exists
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| 27 | if [ -n "$LAST" ]; then
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| 28 | PREV_MD5=`md5 -q $LAST`
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| 29 | NEW_MD5=`md5 -q $TARGET`
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| 30 | if [ "$PREV_MD5" = "$NEW_MD5" ]; then
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| 31 | rm $TARGET
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| 32 | fi
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| 33 | fi
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