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easy-arch.sh

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+#!/bin/bash
+
+# Selecting the target for the installation.
+echo "Select the disk where Arch Linux is going to be installed."
+select ENTRY in $(lsblk -dpn -I 8 -oNAME);
+do
+    DISK=$ENTRY
+    echo "Installing Arch Linux on $DISK."
+    break
+done
+
+# Deleting old partition scheme.
+read -r -p "This will delete the current partition table on $DISK. Do you agree [y/N]? " response
+response=${response,,}
+then
+if [[ "$response" =~ ^(yes|y)$ ]]
+    wipefs -af $DISK
+    sgdisk -Zo $DISK
+else
+	echo "Quitting."
+	break
+fi
+
+
+# Creating a new partition scheme.
+echo "Creating new partition scheme on $DISK."
+
+parted -s $DISK \
+        mklabel gpt \
+        mkpart ESP fat32 1MiB 513MiB \
+        mkpart Cryptroot 513MiB 100% \
+
+ESP="/dev/disk/by-partlabel/ESP"
+Cryptroot="/dev/disk/by-partlabel/Cryptroot"
+echo "Done."
+
+partprobe $DISK
+
+# Formatting the ESP as FAT32.
+echo "Formatting the EFI Partition as FAT32."
+mkfs.fat -F 32 $ESP
+
+# Creating a LUKS Container for the root partition.
+echo "Creating LUKS Container for the root partition."
+cryptsetup --type luks1 luksFormat $Cryptroot
+echo "Opening the newly created LUKS Container."
+cryptsetup open $Cryptroot cryptroot
+BTRFS=/dev/mapper/cryptroot
+
+partprobe $DISK
+
+# Formatting the LUKS Container as BTRFS.
+echo "Formatting the LUKS container as BTRFS."
+mkfs.btrfs $BTRFS
+mount $BTRFS /mnt
+
+# Creating BTRFS subvolumes.
+echo "Creating BTRFS subvolumes."
+btrfs su cr /mnt/@
+btrfs su cr /mnt/@home
+btrfs su cr /mnt/@snapshots
+btrfs su cr /mnt/@var_log
+btrfs su cr /mnt/@swap
+
+# Mounting the newly created subvolumes.
+umount /mnt
+mount -o compress=zstd,subvol=@ $BTRFS /mnt
+mkdir -p /mnt/{home,.snapshots,/var/log,swap,boot}
+mount -o compress=zstd,subvol=@home $BTRFS /mnt/home
+mount -o compress=zstd,subvol=@snapshots $BTRFS /mnt/.snapshots
+mount -o nodatacow,subvol=@var_log $BTRFS /mnt/var/log
+mount -o nodatacow,subvol=@swap $BTRFS /mnt/swap
+mount $ESP /mnt/boot
+echo "Done."