2018-09-20 23:41:46 +00:00
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#!/bin/bash
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THISDIR="$( pwd )"
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DIRBASENAME="$( basename "$THISDIR" )"
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if [[ -e /proc/sys/kernel/random/uuid ]]; then
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UUID=$(cat /proc/sys/kernel/random/uuid)
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else
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UUID=$(uuidgen)
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fi
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HOSTNAME=$(hostname -s)
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TS=$(date -u +%Y-%m-%d-%H-%M-%S)
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FN="$TS.$HOSTNAME.$UUID.$DIRBASENAME"
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BACKUPDEST=notfound
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for DIR in /Volumes/* ; do
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2019-03-21 06:39:06 +00:00
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if [[ -e "$DIR/berlin.sneak/backup" ]]; then
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BACKUPDEST="$DIR/berlin.sneak/backup"
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2018-09-20 23:41:46 +00:00
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fi
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done
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if [[ "$BACKUPDEST" = "notfound" ]]; then
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echo "Unable to find backup target disk, exiting." > /dev/stderr
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exit 127
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fi
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echo "Backup disk found at $BACKUPDEST, backing up $THISDIR..."
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KEYSERVER="hkps.pool.sks-keyservers.net"
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KEYS=""
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KEYS+=" 5539AD00DE4C42F3AFE11575052443F4DF2A55C2" #sneak@sneak.berlin
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KEYS+=" FF2530A4F3F152E8865FC17CA833B7CE3F2CC6FC" #JP Yubi 6192
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KEYS+=" 078BBD04FBE35D665180EF8A476509F749BFD1AD" #JP Yubi 2811
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KEYS+=" 7D1123A022FC90DF389EC65F233196C180B1C28F" #JP Yubi 6643
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KEYS+=" F5A3A83B9E65EA3E1A2A48E5FDA763BDDCFAB8AC" #Yubikey 4928206 20160927
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KEYS+=" B044B27DCB86641AFE3AB274779D07C54EB7CF85" #Yubikey 4953582 20160927
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#KEYS+=" 3FF8DE63855070F8B9CB0D9A67B4CD26470681DA" #Yubikey 4CNano 06931602 20171018
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KEYS+=" 1CA168D7E842DFD1745815006F291E6D9AA87738"
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KEYS+=" 726D577AFB82E64049B62A8DA763B92AD841A706"
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KEYS+=" 04630E42D244BC80717D28D51280F730A9AD633C"
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KEYS+=" 5D48805E38B8C2E04103C7728CBD64834BC043EA"
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KEYS+=" 8904EE6400E7B7409CE00AA92084C4563F360B45"
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KEYS+=" FE65DB157D8BF9E4FEDF50DA927353E2C4507A5B"
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KEYS+=" 27CF8E00190D7AF340D8AE55A6C1C5C2083CB579"
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GARGS=""
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GARGS+=" --trust-model always"
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GARGS+=" --compress-algo none"
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for KEY in $KEYS ; do
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if ! gpg --list-key $KEY 2>&1 > /dev/null ; then
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gpg --recv-key --keyserver $KEYSERVER $KEY
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fi
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GARGS+=" -r $KEY"
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done
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gpg $GARGS --encrypt "$*"
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echo "Backing up to $FN..."
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tar -c "$THISDIR" |
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pbzip2 |
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gpg $GARGS --encrypt --sign - |
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pv > "$BACKUPDEST/.$FN.tmp" && \
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mv "$BACKUPDEST/.$FN.tmp" "$BACKUPDEST/$FN.gpg" && \
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echo "Backup successful."
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exit 0
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