install.sh

@@ -8,12 +8,6 @@ exec 2>&1
 
 clear
 
-# Check root
-if [[ $(id -u) -ne 0 ]]; then
-  echo "This script needs to be run as root!"
-  exit 1
-fi
-
 # Friendly introduction.
 echo "0. WELCOME"
 echo "Welcome to the Arch Linux installation script!"
@@ -52,21 +46,6 @@ IFS=' '
 array=(${dev})
 dev="${array[0]}"
 
-# TODO Check disk size
-# Disk auswählen (Variable `dev` muss gesetzt sein)
-#disk="/dev/${dev}"
-
-# Festplattengröße in Gigabyte berechnen
-#disk_size=$(lsblk -b -n -o SIZE "$disk" | awk '{print $1 / 1024 / 1024 / 1024}')
-
-# Prüfen, ob die Festplatte größer als 10 GB ist
-#if (( $(echo "$disk_size >= 10" | bc -l) )); then
-#  echo "✅ Die Festplatte hat $disk_size GB und ist größer als 10 GB."
-#else
-#  echo "❌ Fehler: Die Festplatte ist zu klein ($disk_size GB). Bitte eine größere auswählen."
-#  exit 1
-#fi
-
 clear
 
 echo "2. ENCRYPTION"
@@ -74,14 +53,14 @@ echo
 
 # Setting encryption password.
 echo "Choose a strong password for encrypting the primary partition:"
-password_encrypt=""
+pwcr=""
-while [[ -z "${password_encrypt}" ]]; do
+while [[ -z "${pwcr}" ]]; do
-  #echo "Please enter a password: "
+  echo "Please enter a password: "
-  read -rs -p "Please enter a password: " password_first
+  read -rs pwfr
-  read -rs -p "Retype a password: " password_second
+  read -rs -p "Retype a password: " pwsc
-    if [[ "${password_first}" == "${password_second}" ]];
+    if [[ "${pwfr}" == "${pwsc}" ]];
     then
-      password_encrypt="${password_first}"
+      pwcr="${pwfr}"
       echo
       echo "Both passwords are the same. Continuing.."
       break
@@ -97,29 +76,25 @@ clear
 echo "3. HOSTNAME"
 echo
 
-# Setting hostname
+# Setting hostname.
-#echo "Before installing the system, please enter a hostname:"
+echo "Before installing the system, please enter a hostname:"
-read -r -p "Before installing the system, please enter a hostname: " host
+read -r host
-while [[ -z "${host}" ]]; do
-  echo "Hostname can not be empty!"
-  read -r -p "Please enter a hostname: " host
-done
 
 clear
 
 echo "4. ROOT PASSWORD"
 echo
 
-# Setting root password
+# Setting root password.
 echo "Choose a password for the root account:"
-password_root=""
+pwr=""
-while [[ -z "${password_root}" ]]; do
+while [[ -z "${pwr}" ]]; do
-  #echo "Please enter a password: "
+  echo "Please enter a password: "
-  read -rs -p "Please enter a password: " password_first
+  read -rs pwfr
-  read -rs -p "Retype a password: " password_second
+  read -rs -p "Retype a password: " pwsc
 
-  if [[ "${password_first}" == "${password_second}" ]]; then
+  if [[ "${pwfr}" == "${pwsc}" ]]; then
-    password_root="${password_first}"
+    pwrt="${pwfr}"
     echo
     echo "Both passwords are the same. Continuing.."
     break
@@ -136,26 +111,21 @@ echo "4. USER"
 echo
 
 # Setting username
-#echo "Please enter a username:"
+echo "Please enter a username:"
-read -r -p "Please enter a username: " user
+read -r user
-while [[ -z "${user}" ]]; do
-  echo "Benutzername darf nicht leer sein!"
-  read -r -p "Please enter a username: " user
-done
-
 echo
 
 # Setting user password.
 echo "Also please choose a password for your user:"
-password_user=""
+pwu=""
-while [[ -z "${password_user}" ]]; do
+while [[ -z "${pwu}" ]]; do
-  #echo "Please enter a password: "
+  echo "Please enter a password: "
-  read -rs -p "Please enter a password: " password_first
+  read -rs pwfr
-  read -rs -p "Retype a password: " password_second 
+  read -rs -p "Retype a password: " pwsc
 
-  if [[ "${password_first}" == "${password_second}" ]];
+  if [[ "${pwfr}" == "${pwsc}" ]];
   then
-    password_user="${password_first}"
+    pwur="${pwfr}"
     echo
     echo "Both passwords are the same. Continuing.."
     break
@@ -210,14 +180,14 @@ fi
 # Encrypting partition.
 echo "Encrypting system partition. This might take a while."
 echo
-echo -en "${password_encrypt}\n${password_encrypt}" | cryptsetup -c aes-xts-plain -s 512 luksFormat "/dev/${main}"
+echo -en "${pwcr}\n${pwcr}" | cryptsetup -c aes-xts-plain -s 512 luksFormat /dev/$main
 echo "Partition successfully encrypted."
 echo
 
 # Opening encrypted partition and mounting at /dev/mapper/main.
 echo "Decrypting.. This also might take a while."
 echo
-echo -en "${password_encrypt}\n${password_encrypt}" | cryptsetup luksOpen "/dev/${main}" main
+echo -en "${pwcr}\n${pwcr}" | cryptsetup luksOpen "/dev/${main}" main
 echo "Partition successfully opened."
 echo
 
@@ -244,7 +214,6 @@ mount "/dev/mapper/main" "/mnt"
 btrfs subvolume create "/mnt/root"
 btrfs subvolume create "/mnt/home"
 
-sync
 umount "/mnt"
 echo
 
@@ -397,8 +366,7 @@ echo
 
 # Editing mkinitcpio.conf.
 echo "Editing /etc/mkinitcpio.conf.."
-sed -i 's/^HOOKS=.*/HOOKS=(base udev autodetect microcode modconf kms block keyboard keymap encrypt filesystems fsck shutdown)/' /mnt/etc/mkinitcpio.conf
+sed -i '55s/.*/HOOKS=(base udev autodetect microcode modconf kms block keyboard keymap encrypt filesystems fsck shutdown)/' /mnt/etc/mkinitcpio.conf
-#sed -i '55s/.*/HOOKS=(base udev autodetect microcode modconf kms block keyboard keymap encrypt filesystems fsck shutdown)/' /mnt/etc/mkinitcpio.conf
 echo "Done."
 echo
 
@@ -419,7 +387,7 @@ echo
 
 # Set root password
 echo "Setting root password.."
-echo -en "${password_root}\n${password_root}" | arch-chroot "/mnt" passwd
+echo -en "${pwrt}\n${pwrt}" | arch-chroot "/mnt" passwd
 echo "Done."
 echo
 
@@ -468,7 +436,7 @@ echo
 # Set username, password and group.
 echo "Adding user.."
 arch-chroot /mnt useradd -m "${user}"
-echo -en "${password_user}\n${password_user}" | arch-chroot /mnt passwd "${user}"
+echo -en "${pwur}\n${pwur}" | arch-chroot /mnt passwd "${user}"
 arch-chroot /mnt gpasswd -a "${user}" wheel
 sed -i '82s/.*/%wheel ALL=(ALL) ALL/' /mnt/etc/sudoers
 echo "Done."
@@ -506,9 +474,7 @@ EOF
 
 # Unmounting and rebooting.
 echo "Unmounting system.."
-sync
 umount "/mnt/boot"
-umount "/mnt/home"
 umount "/mnt"
 echo "Done."
 echo