minor fixes

install.sh

@@ -99,15 +99,32 @@ sed -i "s/^HOSTNAME .*/HOSTNAME $HOSTNAME/" install.conf
 sed -i "s/^CRYPTPASSWORD .*/CRYPTPASSWORD $LUKS_PASS/" install.conf
 
 # Update post-install.sh
-sed -i "s/^ALMA_USER=.*/ALMA_USER=\"$USERNAME\"/" post-install.sh
-# Use a different approach for SSH_KEY to handle special characters
-# Escape the SSH key for use in sed by replacing special characters
-escaped_key=$(printf '%s' "$SSH_KEY" | sed 's/[[\.*^$()+?{|]/\\&/g; s/]/\\&/g')
-sed -i "s|^SSH_KEY=.*|SSH_KEY=\"${escaped_key}\"|" post-install.sh
+if ! sed -i "s/^ALMA_USER=.*/ALMA_USER=\"$USERNAME\"/" post-install.sh; then
+    echo "ERROR: Failed to update ALMA_USER in post-install.sh"
+    exit 1
+fi
+
+# Use awk to replace SSH_KEY line to avoid sed issues with special characters
+if ! awk -v key="$SSH_KEY" '
+    /^SSH_KEY=/ { print "SSH_KEY=\"" key "\""; next }
+    { print }
+' post-install.sh > post-install.sh.tmp; then
+    echo "ERROR: Failed to update SSH_KEY in post-install.sh"
+    exit 1
+fi
+mv post-install.sh.tmp post-install.sh
 
 # Copy to root directory where installimage expects them
-cp install.conf /root/
-cp post-install.sh /root/
+if ! cp install.conf /root/; then
+    echo "ERROR: Failed to copy install.conf to /root/"
+    exit 1
+fi
+
+if ! cp post-install.sh /root/; then
+    echo "ERROR: Failed to copy post-install.sh to /root/"
+    exit 1
+fi
+
 chmod +x /root/post-install.sh
 
 # Ask for optional features
@@ -170,11 +187,29 @@ if [[ "$CONFIRM" =~ ^[Nn]$ ]]; then
     exit 1
 fi
 
+# Check if installimage exists
+if ! command -v installimage &> /dev/null; then
+    echo "ERROR: installimage command not found!"
+    echo "This might not be a Hetzner rescue system, or installimage is not in PATH."
+    echo "On Hetzner rescue, installimage is usually at /root/.oldroot/nfs/install/installimage"
+    
+    # Try common locations
+    if [ -x "/root/.oldroot/nfs/install/installimage" ]; then
+        echo "Found installimage at /root/.oldroot/nfs/install/installimage"
+        INSTALLIMAGE_CMD="/root/.oldroot/nfs/install/installimage"
+    else
+        echo "Could not find installimage. Please check your Hetzner rescue environment."
+        exit 1
+    fi
+else
+    INSTALLIMAGE_CMD="installimage"
+fi
+
 # Run the installer
 echo -e "\n[+] Starting Hetzner installimage..."
 echo "The installer will now run. Follow any prompts if needed."
 echo ""
-installimage -a -c /root/install.conf -s /root/post-install.sh
+$INSTALLIMAGE_CMD -a -c /root/install.conf -s /root/post-install.sh
 
 echo -e "\n[+] Installation complete!"
 echo ""