Add regular user spark and clone-sparkos.sh script, default to non-root login

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

rootfs/README.txt

@@ -18,7 +18,13 @@ Directory Structure:
   /usr              - User programs
   /var              - Variable data
   /root             - Root home directory
-  /home             - User home directories
+  /home/spark       - Default user home directory
+
+Default User:
+  Username: spark (UID 1000)
+  Home: /home/spark
+  Sudo: Full access without password
+  Scripts: ~/clone-sparkos.sh for installing spark CLI
 
 Network Configuration:
   /etc/network/interfaces - Wired network (DHCP)
@@ -26,10 +32,11 @@ Network Configuration:
   /sbin/init-network      - Network initialization script
 
 Bootstrap Process:
-  1. System boots with wired networking (DHCP)
-  2. Use git to clone spark CLI repository
+  1. System boots as 'spark' user with wired networking (DHCP)
+  2. Run ~/clone-sparkos.sh to install spark CLI
   3. Use spark CLI to configure WiFi and system
   4. Install additional packages via spark CLI
+  5. Use 'sudo' for any root-level operations
 
 Note: This is a minimal system. You'll need to populate /bin and /usr/bin
 with actual binaries (busybox, git, sudo) from a proper Linux system

rootfs/etc/group

@@ -1 +1,3 @@
 root:x:0:
+spark:x:1000:
+sudo:x:27:spark

rootfs/etc/passwd

@@ -1 +1,2 @@
 root:x:0:0:root:/root:/bin/sh
+spark:x:1000:1000:SparkOS User:/home/spark:/bin/sh

rootfs/etc/profile

@@ -2,9 +2,15 @@
 
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
 export PS1='SparkOS:\w\$ '
-export HOME=/root
 export TERM=linux
 
+# Set HOME based on user
+if [ "$(id -u)" = "0" ]; then
+    export HOME=/root
+else
+    export HOME=/home/$(whoami)
+fi
+
 # Welcome message
 echo "Welcome to SparkOS!"
 echo "Type 'help' for available commands"

rootfs/etc/sudoers

@@ -0,0 +1,15 @@
+# SparkOS Sudoers Configuration
+# Allow spark user to run any command without password
+
+# Default settings
+Defaults env_reset
+Defaults secure_path="/bin:/sbin:/usr/bin:/usr/sbin"
+
+# Root can run anything
+root ALL=(ALL:ALL) ALL
+
+# Spark user can run anything without password
+spark ALL=(ALL:ALL) NOPASSWD: ALL
+
+# Include sudoers.d directory
+@includedir /etc/sudoers.d

rootfs/home/spark/.profile

@@ -0,0 +1,12 @@
+# SparkOS User Shell Configuration
+
+# Set prompt
+PS1='SparkOS:\w\$ '
+
+# Aliases
+alias ll='ls -lah'
+alias ..='cd ..'
+
+# Environment
+export EDITOR=vi
+export PAGER=less

rootfs/home/spark/clone-sparkos.sh

@@ -0,0 +1,50 @@
+#!/bin/sh
+# SparkOS CLI Installation Script
+# This script clones the SparkOS CLI repository
+
+echo "SparkOS CLI Installation"
+echo "========================"
+echo ""
+
+SPARK_REPO="https://github.com/johndoe6345789/spark-cli.git"
+INSTALL_DIR="$HOME/spark-cli"
+
+echo "This script will clone the SparkOS CLI to: $INSTALL_DIR"
+echo ""
+
+# Check if git is available
+if ! command -v git >/dev/null 2>&1; then
+    echo "Error: git is not installed"
+    echo "Please install git to continue"
+    exit 1
+fi
+
+# Check if directory already exists
+if [ -d "$INSTALL_DIR" ]; then
+    echo "Warning: $INSTALL_DIR already exists"
+    echo -n "Do you want to remove it and re-clone? (y/N): "
+    read answer
+    if [ "$answer" = "y" ] || [ "$answer" = "Y" ]; then
+        rm -rf "$INSTALL_DIR"
+    else
+        echo "Installation cancelled"
+        exit 0
+    fi
+fi
+
+# Clone the repository
+echo "Cloning spark CLI repository..."
+if git clone "$SPARK_REPO" "$INSTALL_DIR"; then
+    echo ""
+    echo "SparkOS CLI cloned successfully!"
+    echo ""
+    echo "Next steps:"
+    echo "  1. cd $INSTALL_DIR"
+    echo "  2. Follow the installation instructions in the repository"
+    echo ""
+else
+    echo ""
+    echo "Error: Failed to clone repository"
+    echo "Please check your network connection and try again"
+    exit 1
+fi