From 5b49f1ab5f10df2b2eea07c8e647e9a34243e5cc Mon Sep 17 00:00:00 2001
From: Nathan Steel <aney.login+rpi3@gmail.com>
Date: Sun, 31 Aug 2025 14:46:06 +0100
Subject: [PATCH] Add USB backup for fedora install

---
 backup/fedora/backup.sh | 59 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 backup/fedora/backup.sh

diff --git a/backup/fedora/backup.sh b/backup/fedora/backup.sh
new file mode 100644
index 0000000..81e3a67
--- /dev/null
+++ b/backup/fedora/backup.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+# 0 * * * * /home/nathan/Documents/backup.sh
+
+# Check if the USB is plugged in (Gnome auto-mounts to /run/media)
+USB="/run/media/$USER/sd_backup";
+if [[ ! -d $USB ]]; then
+	exit 1 # sd_backup is not plugged in;
+fi
+
+USB_DIR="/fedora/borg";
+
+DIRS="git nas 360ss";
+BASE_DIR="/home/nathan/Documents/";
+
+# Basically the code from directory_backup in scripts.git
+borg_backup (){
+	if [ ! -d "$BACKUP_DIR" ]; then
+		mkdir -p $BACKUP_DIR
+		borg init --encryption=none $BACKUP_DIR
+	fi
+
+	export BORG_REPO=$BACKUP_DIR
+	borg create ::{hostname}-{now} $DIR
+}
+borg_prune () {
+	# Keep last 12 hours, 7 days, 4 weeks worth of backups
+	# LESS for local to save storage
+	borg prune						\
+	--glob-archives	'{hostname}-*'	\
+	--keep-hourly	12				\
+	--keep-daily	7				\
+	--keep-weekly	4
+	# Then clear up the disk space of the files removed via prune
+	borg compact
+}
+# Also do an rsync, so there's an accessible clone of data on USB
+# makes it easier to drop things between PCs, but it is a CLONE
+rsync_backup (){
+	if [ ! -d "$CLONE_DIR" ]; then
+		mkdir -p $CLONE_DIR;
+	fi
+	# avh with --dry-run when testing
+	# Contents of directory for rsync (extra /)
+	rsync -avh $DIR/ $CLONE_DIR \
+		--delete-before
+}
+
+for bDir in $DIRS
+do
+	BACKUP_DIR=$USB$USB_DIR/$bDir;
+	CLONE_DIR=$USB/fedora/rsync/$bDir;
+	DIR=$BASE_DIR$bDir; 
+
+	borg_backup
+	borg_prune
+
+	rsync_backup
+done
+