Backup - Added initial script to backup select directories in user's home directory

overlay/opt/emcomm-tools/bin/et-user-backup

@@ -0,0 +1,45 @@
+#!/bin/bash
+# Author  : Gaston Gonzalez
+# Date    : 14 January 2024
+# Purpose : Back up select files from the user's home directory.
+#
+# The backups are limited to the following:
+# 1. EmComm Tools configuration
+# 2. Winlink email
+
+TODAY=$(date +"%Y%m%d")
+BACKUP_FILE="${HOME}/etc-user-backup-${HOSTNAME}-${TODAY}.tar.gz"
+
+# All paths are relative to $HOME.
+BACKUP_DIRS=(
+  ".config/emcomm-tools"
+  ".local/share/emcomm-tools"
+  ".local/share/pat"
+)
+
+ESC="\033"
+CYAN="$ESC[36m"
+GREEN="$ESC[0;32m"
+RED="$ESC[0;31m"
+WHITE="$ESC[1;37m"
+YELLOW="$ESC[1;33m"
+NC="$ESC[0m"
+
+tar -czf ${BACKUP_FILE} \
+   --transform 's|^.*\.local|.local|' \
+   -C "${HOME}" "${BACKUP_DIRS[@]}"
+
+[ $? -ne 0 ] && et-log "Error creating backup" && exit 1
+
+# Test that we can read if after we create it.
+TAR_OUT=$(tar -tzf ${BACKUP_FILE})
+[ $? -ne 0 ] && et-log "Can't read backup file: ${BACKUP_FILE}. Error creating backup." && exit 1
+
+echo -e "${GREEN}Backup created: ${WHITE}${BACKUP_FILE}\n"
+
+echo -e "${CYAN}Note: Only the following directories were backed up:"
+for dir in "${BACKUP_DIRS[@]}"; do
+  echo "* $dir"
+done
+
+echo -e "\n${YELLOW}If you need files outside of these directories, please back them up manually.${NC}"