Add update-backrest.sh

update-backrest.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+# Exit immediately if a command exits with a non-zero status
+set -e
+
+# Check for administrative privileges
+if [[ "$EUID" -ne 0 ]]; then
+  echo "Error: This script must be run as root." >&2
+  exit 1
+fi
+
+# Detect architecture
+ARCH=$(uname -m)
+if [[ "$ARCH" == "x86_64" ]]; then
+  ARCH="x86_64"
+elif [[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]]; then
+  ARCH="arm64"
+else
+  echo "Unsupported architecture: $ARCH"
+  exit 1
+fi
+
+# Create a temporary directory and ensure it is deleted on exit
+TMP_DIR=$(mktemp -d)
+trap "rm -rf $TMP_DIR" EXIT
+
+echo "Created temporary directory: $TMP_DIR"
+
+# Fetch the latest release download URL for the correct architecture
+DOWNLOAD_URL=$(curl -s https://api.github.com/repos/garethgeorge/backrest/releases/latest | \
+grep "browser_download_url.*backrest_Linux_${ARCH}.tar.gz" | \
+cut -d '"' -f 4)
+
+if [[ -z "$DOWNLOAD_URL" ]]; then
+  echo "Failed to get the download URL for the latest release."
+  exit 1
+fi
+
+echo "Downloading from: $DOWNLOAD_URL"
+
+# Download and extract the tarball
+wget -qO- "$DOWNLOAD_URL" | tar -xz -C "$TMP_DIR"
+
+# Run the installer
+if [[ -f "$TMP_DIR/install.sh" ]]; then
+  echo "Running install.sh..."
+  bash "$TMP_DIR/install.sh"
+else
+  echo "Error: install.sh not found in $TMP_DIR."
+  exit 1
+fi
+
+# Reload systemd and restart the service
+echo "Reloading systemd daemon..."
+systemctl daemon-reload
+
+echo "Restarting backrest service..."
+systemctl restart backrest
+
+echo "Installation complete."