added main disk setup, partitions and filesystems

2024-12-29 20:15:22 +01:00
commit ceed7f8a8b
1 changed files with 80 additions and 0 deletions
@@ -0,0 +1,80 @@
+#!/bin/sh
+
+# Function to get drive name
+DISK=""
+get_drive() {
+  lsblk
+  printf "\nEnter the drive name (e.g., sda, sdb, vda): "
+  read DISK
+  if [ -z "${DISK}" ]; then
+    echo "No drive name entered. Exiting."
+    exit 1
+  fi
+
+  DISK="/dev/${DISK}"
+
+  printf "WARNING: All data on %s will be erased. Are you sure? [Y/n] " "${DISK}"
+  read confirmation
+  case "$confirmation" in
+  "n" | "N")
+    echo "Operation canceled."
+    exit 0
+    ;;
+  "" | "y" | "Y")
+    echo "Proceeding with the operation on ${DISK}."
+    printf "Wiping drive in "
+    for i in 3 2 1; do
+      printf '%d...' $i
+      sleep 1
+    done
+    echo ""
+    ;;
+  *)
+    echo "Invalid input. Defaulting to 'No'."
+    exit 0
+    ;;
+  esac
+
+  echo "Drive ${DISK} confirmed for installation."
+}
+
+setup_partitions() {
+  if [ ! -d "/sys/firmware/efi" ]; then # Checking for bios system
+    echo "BIOS systems are not supported."
+  fi
+
+  umount -A -R /mnt         # make sure everything is unmounted before we start
+  sgdisk -Z ${DISK}         # zap all on disk
+  sgdisk -a 2048 -o ${DISK} # new gpt disk 2048 alignment
+
+  # Create partitions
+  sgdisk -n 1::+1G --typecode=1:ef00 --change-name=1:"BOOT" ${DISK} # partition 1 (UEFI boot partition)
+  sgdisk -n 2::+4G --typecode=2:8200 --change-name=1:"SWAP" ${DISK} # partition 2 (Swap partition)
+  sgdisk -n 3::-0 --typecode=3:8300 --change-name=1:"ROOT" ${DISK}  # partition 3 (Root), default start, remaining
+  partprobe ${DISK}                                                 # reread partition table to ensure it is correct
+
+  # Create filesystems
+  mkfs.fat -F32 -n "BOOT" ${DISK}1
+  mkswap ${DISK}3
+  mkfs.ext4 -L "ROOT" ${DISK}3
+
+  # Mount
+  mount ${DISK}3 /mnt
+  if [ $? -ne 0 ]; then
+    echo "Failed to mount the ROOT partition."
+    return 1 # Exit if mounting ROOT partition fails
+  fi
+
+  mount --mkdir ${DISK}1 /mnt/boot
+  if [ $? -ne 0 ]; then
+    echo "Failed to mount the BOOT partition."
+    return 1 # Exit if mounting BOOT partition fails
+  fi
+
+  swapon ${DISK}2
+}
+
+# Main execution flow
+get_drive
+
+# cat /usr/share/systemd/bootctl/arch.conf | sed "s/^options.*/options root=PARTUUID=$(blkid | grep vda3 | awk -F= '{print $NF}' | tr -d '\"') rw splash/" >/boot/loader/entries/arch.conf