gentoo-install/gentoo-backup.sh

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#!/bin/bash
bhost="$(hostname -s)"
bdate="$(date +"%Y%m%d")"
if [[ ! -d "/var/backup" ]]; then
mkdir /var/backup
fi
pushd /var/backup &>/dev/null || exit 2
echo "Creating stage4 backup in /var/backup/$bhost-stage4.zst"
mkstage4 -s -l -q -C zst \
-e "/var/lib/containers/*" \
-e "/var/lib/machines/*" \
-e "/var/lib/portables/*" \
-e "/var/lib/libvirt/*" \
-e "/var/cache/binpkgs/*" \
2024-08-02 15:57:48 -04:00
-e "/var/backup/*" \
-e "/home/*/*" \
"$bhost-stage4-$bdate"
if [[ "$?" -ne 0 ]]; then
echo "ERROR: Backup failure"
exit 1
else
if [[ -f "/var/backup/$bhost-stage4.tar.zst" ]]; then
rm -f "/var/backup/$bhost-stage4.tar.zst"
fi
mv "/var/backup/$bhost-stage4-$bdate.tar.zst" "/var/backup/$bhost-stage4.tar.zst"
fi
popd &>/dev/null || exit 2