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randomcamel/versioned-backup.sh

Created June 14, 2021 16:59
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  1. randomcamel created this gist Jun 14, 2021.
    15 changes: 15 additions & 0 deletions versioned-backup.sh
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    Original file line number Diff line number Diff line change
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    #!/bin/sh

    # uses rsync's hard-link feature to mimic the function and structure of Apple's Time Machine.

    # my server's name is 'shiny', which I evidently used to mount on /backup.
    TARGET=/backup/shiny

    date=`date "+%Y-%m-%dT%H:%M:%S"`
    rsync --exclude=.AppleDouble -aCPv --link-dest=$TARGET/current $HOME $TARGET/back-$date
    cd $TARGET
    rm current
    ln -s back-$date current

    # I had this disabled, but it was a nice touch.
    touch $TARGET/../.last-rsync