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February 20, 2023 18:48
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A shell script to backup a user's recently modified files to a remote server via rsync.
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| #!/bin/bash | |
| set -eux | |
| BACKUP_ACCOUNT=backupuser@backup.example.com | |
| MAXSIZE=45000000000 | |
| # Wait for the net to come up | |
| while [ ! $(ifconfig | grep 'status: active') ]; do | |
| sleep 1 | |
| done | |
| HOST=$(hostname -s) | |
| DAYS=180 | |
| SHADOW_DIR=/tmp/$HOST-$USER-recent | |
| if true | |
| then | |
| rm -rf $SHADOW_DIR | |
| mkdir $SHADOW_DIR | |
| date | |
| find "$HOME" \ | |
| -path "$HOME/Library" -prune -or \ | |
| -path "$HOME/Pictures/iPhoto Library/Thumbnails" -prune -or \ | |
| -path "$HOME/Music/iTunes" -prune -or \ | |
| -path "$HOME/.Trash" -prune -or \ | |
| -path "$HOME/.m2" -prune -or \ | |
| -path "$HOME/Downloads" -prune -or \ | |
| -name .svn -prune -or \ | |
| -name CVS -prune -or \ | |
| -name 'iPod Photo Cache' -prune -or \ | |
| -not -type d \ | |
| -not -name .DS_Store \ | |
| -not -name '*.o' \ | |
| -not -name '*.class' \ | |
| -not -name '*.jar' \ | |
| -mtime -$DAYS \ | |
| -print \ | |
| | cpio -pdl $SHADOW_DIR | |
| date | |
| du -sk $SHADOW_DIR | |
| fi | |
| # omit dir times, because cpio doesn't preserve dir times, causing re-sync every time | |
| rsync -avz --delete --stats --omit-dir-times \ | |
| "$SHADOW_DIR"/ $BACKUP_ACCOUNT:"$HOST-$USER-recent" | |
| rm -rf $SHADOW_DIR |
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