59 lines
1.2 KiB
Bash
Executable file
59 lines
1.2 KiB
Bash
Executable file
#!/bin/zsh
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CURRENT_TIME=$(date +%s)
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CURRENT_DATE=$(date --iso-8601)
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ORIG_DIR=$PWD
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# calculate age of mail in days
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mail-age() {
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local mail_time=$(grep -m 1 -e '^Date:' $1\
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| awk -F' ' '{$1=""; print}' \
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| xargs --null date +%s -d)
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echo $(((CURRENT_TIME - mail_time)/86400))
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}
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for maildir in $@; do
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if [[ -d $maildir/cur ]]; then
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name=${maildir:a:t}
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maildir=$maildir/cur
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else
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name=${maildir:a:h:t}
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fi
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archive=/tmp/archive-mails/$maildir/archive.$CURRENT_DATE
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<<-LOG
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Going to archive:
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maildir: $maildir
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name: $name
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archive: $archive
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Continue? [y/n]
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LOG
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read -q || exit 1
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# create maildir structure, so that backup can be opened with an email
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# client directly
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mkdir -p $archive/cur $archive/new $archive/tmp
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printf "Archived: 0"
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num=0
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for mail in $maildir/*(.); do
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if [[ $(mail-age $mail) -gt 365 ]]; then
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mv $mail $archive/cur
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printf "\rArchived: $((++num))"
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fi
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done
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echo
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echo "Compressing..."
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cd /tmp/archive-mails/$maildir/
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tar --xz -cf $archive.tar.xz archive.$CURRENT_DATE
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cd $ORIG_DIR
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if [[ -n $MAILDIR ]]; then
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mkdir -p $MAILDIR/archive/$name
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mv $archive.tar.xz $MAILDIR/archive/$name
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echo "Created $MAILDIR/archive/$name/${archive:t}.tar.xz"
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else
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echo "Created $archive.tar.xz"
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fi
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done
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