fix: stuff

master/bin/update-backups.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+backup_root="/var/lib/sfbs/backups"
+
+for host in $(cat /var/lib/sfbs/hosts | grep -v '#'); do
+    dtime="$(date '+%Y-%m-%d_%H:%M:%S')"
+    latest_link="$backup_root/$host/latest"
+    backup_path="$backup_root/$host/$dtime"
+
+    mkdir -p $backup_path
+
+    echo "pulling $host's fs..."
+
+    rsync -avP --delete \
+        sfbs@$host::sfbs/ \
+        --link-dest "$latest_link" \
+        --password-file="/var/lib/sfbs/rsync-password" \
+        --include="/usr/local" \
+        --exclude="/usr/*" \
+        --exclude="/lib/*" \
+        --exclude="/bin/*" \
+        --exclude="/tmp/*" \
+        --exclude="/sys/*" \
+        --exclude="/dev/*" \
+        --exclude="/proc/*" \
+        --exclude="/run/*" \
+        --exclude="/mnt/*" \
+        --exclude="/media/*" \
+        --exclude="/var/lib/sfbs/backups/*" \
+        "$backup_path"
+
+    rm -rf "$latest_link"
+    ln -s "$backup_path" "$latest_link"
+
+done

master/crontab

@@ -0,0 +1 @@
+* * */4 0 root sh /opt/sfbs/bin/update-backups.sh

master/install.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+[ -d "/var/lib/sfbs/backups" ] || mkdir -p /var/lib/sfbs/backups
+[ -d "/opt/sfbs" ] || mkdir -p /opt/sfbs
+cp -r ./bin/. /opt/sfbs/bin
+[ -f "/var/lib/sfbs/hosts" ] || (echo "# Here you can include hosts for sfbs." > /var/lib/sfbs/hosts)
+[ -f "/var/lib/sfbs/rsync-password" ] || touch /var/lib/sfbs/rsync-password
+chmod 600 /var/lib/sfbs/rsync-password