Add source

src/backup.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+echo "Starting backup script at `date`"
+
+export BORG_RSH='ssh -oBatchMode=yes' # https://borgbackup.readthedocs.io/en/stable/usage/notes.html#ssh-batch-mode
+
+borg break-lock
+borg info
+
+if [ $? -ne 0 ]; then
+    echo "Borg info returned a non-zero status. Initializing Borg..."
+    borg init --encryption=repokey
+fi
+
+set -e
+
+if [ -d "/snapshot/source" ]; then
+    btrfs subvolume delete /snapshot/source
+fi
+
+btrfs subvolume snapshot /source /snapshot
+
+cd /snapshot/source
+borg create --stats --list --filter=AMCE --files-cache=ctime,size --compression=zstd,12 --exclude-from /exclude.conf ::"{hostname}-{now:%Y-%m-%dT%H:%M:%S}" .
+cd -
+borg prune --list --stats --keep-daily=7 --keep-weekly=4 --keep-monthly=12 --keep-yearly=5
+borg compact --threshold=5 --cleanup-commits
+
+btrfs subvolume delete /snapshot/source
+
+echo "Finished backup script at `date`"