Merge pull request #128 from marvinroman/validate-username

Validate the username and hostname before proceeding further

1-setup.sh

@@ -103,6 +103,48 @@ elif lspci | grep -E "Radeon"; then
 elif lspci | grep -E "Integrated Graphics Controller"; then
     pacman -S libva-intel-driver libvdpau-va-gl lib32-vulkan-intel vulkan-intel libva-intel-driver libva-utils --needed --noconfirm
 fi
+
+if ! source install.conf; then
+	# Loop through user input until the user gives a valid username
+	while true
+	do 
+		read -p "Please enter username:" username
+		# username regex per response here https://unix.stackexchange.com/questions/157426/what-is-the-regex-to-validate-linux-users
+		# lowercase the username to test regex
+		if [[ "${username,,}" =~ ^[a-z_]([a-z0-9_-]{0,31}|[a-z0-9_-]{0,30}\$)$ ]]
+		then 
+			break
+		fi 
+		echo "Incorrect username."
+	done 
+# convert name to lowercase before saving to install.conf
+echo "username=${username,,}" >> ${HOME}/${SCRIPTHOME}/install.conf
+fi
+if [ $(whoami) = "root"  ];
+then
+    useradd -m -G wheel,libvirt -s /bin/bash $username 
+	passwd $username
+	cp -R ${HOME}/${SCRIPTHOME} /home/${username}/
+    chown -R ${username}: /home/${username}/${SCRIPTHOME}
+
+	# Loop through user input until the user gives a valid hostname, but allow the user to force save 
+	while true
+	do 
+		read -p "Please name your machine:" nameofmachine
+		# hostname regex (!!couldn't find spec for computer name!!)
+		if [[ "${nameofmachine,,}" =~ ^[a-z][a-z0-9_.-]{0,62}[a-z0-9]$ ]]
+		then 
+			break 
+		fi 
+		# if validation fails allow the user to force saving of the hostname
+		read -p "Username doesn't seem correct. Do you still want to save it? (y/n)" force 
+		if [[ "${force,,}" = "y" ]]
+		then 
+			break 
+		fi 
+	done 
+
+	echo ${nameofmachine} > /etc/hostname
 echo -ne "
 -------------------------------------------------------------------------
                     Adding User