Initial commit

backup.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -euo pipefail
+
+
+BASEDIR="$(dirname ${0} | sed "s|^.|${PWD}|")"
+source "${BASEDIR}/backup.conf"
+TIMESTAMP="$(date +%Y_%m_%d-%H_%M_%S)"
+SNAPSHOT="${SOURCE}@${TIMESTAMP}"
+
+
+sudo zfs snapshot ${SNAPSHOT}
+
+if [[ -f "${BASEDIR}/backup-last" ]]; then
+	BACKUP_LAST="$(cat ${BASEDIR}/backup-last)"
+
+	sudo \
+		zfs \
+			send \
+			-i ${BACKUP_LAST} \
+			${SNAPSHOT} \
+	| \
+	sudo \
+		zfs \
+			receive \
+			${DEST}
+else
+	sudo \
+		zfs \
+			send \
+			${SNAPSHOT} \
+	| \
+	sudo \
+		zfs \
+			receive \
+			${DEST}
+fi
+
+printf "@${TIMESTAMP}" | tee "${BASEDIR}/backup-last" &> /dev/null