LogalDeveloper/Arch-Linux-Installer
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Added support for using ext4 for root partition.

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This commit is contained in:
Logan Fick
2025-12-02 14:19:43 -05:00
parent b2cec1d67b
commit fe82e7d8b5
1 changed files with 32 additions and 6 deletions
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38
install-arch-linux.sh
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@@ -101,12 +101,36 @@ print "Please enter the passphrase you just used to unlock the newly encrypted p
cryptsetup open --allow-discards ${root_partition} cryptroot
luks_uuid=$(cryptsetup luksDump ${root_partition} | grep 'UUID:' | awk '{print $2}')
print "Formatting /dev/mapper/cryptroot..."
mkfs.btrfs --csum xxhash /dev/mapper/cryptroot
print "What file system would you like for the root partition?"
print " btrfs (Recommended)"
print " ext4"
read filesystem
case $filesystem in
"ext4")
print "Formatting /dev/mapper/cryptroot as ext4..."
mkfs.ext4 /dev/mapper/cryptroot
;;
*)
print "Formatting /dev/mapper/cryptroot as btrfs..."
mkfs.btrfs --csum xxhash /dev/mapper/cryptroot
;;
esac
## Arch Linux Installation Guide Step 1.11 - Mount the file systems
print "Mounting partitions..."
mount -o "noatime,discard=async" /dev/mapper/cryptroot /mnt
case $filesystem in
"ext4")
mount -o "noatime,discard" /dev/mapper/cryptroot /mnt
;;
*)
mount -o "noatime,discard=async" /dev/mapper/cryptroot /mnt
;;
esac
mount --mkdir -o "fmask=0077,dmask=0077" ${efi_partition} /mnt/boot
## Arch Linux Installation Guide Step 2.2 - Install essential packages
@@ -167,7 +191,7 @@ arch-chroot /mnt sh -c "cat > /boot/loader/entries/arch.conf" <<EOF
title Arch Linux
linux /vmlinuz-linux
initrd /initramfs-linux.img
options rd.luks.name=${luks_uuid}=cryptroot rd.luks.options=discard root=/dev/mapper/cryptroot rootfstype=btrfs
options rd.luks.name=${luks_uuid}=cryptroot rd.luks.options=discard root=/dev/mapper/cryptroot
EOF
arch-chroot /mnt sed -i '/^#timeout 3/s/^#//' /boot/loader/loader.conf
@@ -175,8 +199,10 @@ arch-chroot /mnt sed -i '/^#timeout 3/s/^#//' /boot/loader/loader.conf
print "Enabling fstrim timer..."
arch-chroot /mnt systemctl enable fstrim.timer
print "Enabling scrub timer..."
arch-chroot /mnt systemctl enable btrfs-scrub@-.timer
if [ "$filesystem" = "btrfs" ]; then
print "Enabling scrub timer..."
arch-chroot /mnt systemctl enable btrfs-scrub@-.timer
fi
print "Enabling sudo access for wheel group..."
arch-chroot /mnt sed -i "s|^# %wheel ALL=(ALL:ALL) ALL|%wheel ALL=(ALL:ALL) ALL|" /etc/sudoers