add xfs-vm install script

install/install-xfs-vm.sh

@@ -0,0 +1,128 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p perl -p gptfdisk -p parted -p git
+
+set -e
+
+CONFIG_FOLDER="$(dirname "$(pwd)")"
+DEVICE_NAME=Wayland-VM
+MAX_JOBS=4
+SWAP_SIZE=2GiB
+
+clean_stdin() {
+	while read -r -t 0; do read -r; done
+}
+
+pprint () {
+	local cyan="\e[96m"
+	local default="\e[39m"
+	local timestamp
+	timestamp=$(date +%FT%T.%3NZ)
+	echo -e "${cyan}${timestamp} $1${default}" 1>&2
+}
+
+# Create new partitions
+create_new_part_table() {
+    select ENTRY in $(ls /dev/disk/by-id/);
+    do
+        DISK="/dev/disk/by-id/$ENTRY"
+        echo "Installing system on $ENTRY"
+        break
+    done
+
+    wipefs -af "$DISK"
+    sgdisk -Zo "$DISK"
+
+    pprint "Creating boot (EFI) partition"
+    sgdisk -n 1:1MiB:+128MiB -t 1:EF00 "$DISK"
+    BOOT="$DISK-part1"
+
+    pprint "Creating SWAP partition"
+    sgdisk -n 2::+$SWAP_SIZE -t 2:8200 "$DISK"
+    SWAP="$DISK-part2"
+
+    pprint "Creating ROOT partition"
+    sgdisk -n 3 -t 3:8300 "$DISK"
+    LINUX="$DISK-part3"
+
+    partprobe "$DISK"
+    sleep 1
+
+    pprint "Format BOOT partition $BOOT"
+    mkfs.vfat "$BOOT"
+}
+
+### INSTALLATION BEGIN ###
+create_new_part_table
+
+LINUX_PARTUUID=$(blkid --match-tag PARTUUID --output value "$LINUX")
+XFS="/dev/disk/by-partuuid/$LINUX_PARTUUID"
+
+if [[ "$SWAP" != "NONE" ]]; then
+    pprint "Create SWAP partition on $SWAP"
+    mkswap $SWAP
+fi
+
+pprint "Create XFS partition on $XFS"
+mkfs.btrfs -L root -f "$XFS"
+
+pprint "Mount XFS partition"
+mkdir -p /mnt
+mount -t xfs "$XFS" /mnt
+
+# mount -t btrfs -o subvol=nixos,compress-force=zstd,noatime,autodefrag,ssd "$XFS" /mnt
+# mkdir -p /mnt/nix
+# mount -t btrfs -o subvol=nix,compress-force=zstd,noatime,autodefrag,ssd "$XFS" /mnt/nix
+# mkdir -p /mnt/home
+# mount -t btrfs -o subvol=home,compress-force=zstd,noatime,autodefrag,ssd "$XFS" /mnt/home
+# mkdir -p /mnt/var
+# mount -t btrfs -o subvol=var,compress-force=zstd,noatime,autodefrag,ssd "$XFS" /mnt/var
+# mkdir -p /mnt/media/bittorrent
+# chown 1000:100 /mnt/media/bittorrent
+# mount -t btrfs -o subvol=bittorrent,nodatacow,ssd,uid=1000,gid=100 "$XFS" /mnt/media/bittorrent
+# mkdir -p /mnt/media/libvirt
+# chown 1000:100 /mnt/media/libvirt
+# mount -t btrfs -o subvol=libvirt,nodatacow,ssd,uid=1000,gid=100 "$XFS" /mnt/media/libvirt
+
+mkdir /mnt/boot
+mount "$BOOT" /mnt/boot
+
+pprint "Generate NixOS configuration"
+nixos-generate-config --root /mnt
+
+HOSTID=$(head -c8 /etc/machine-id)
+LINUX_DISK_UUID=$(blkid --match-tag PARTUUID --output value "$LINUX")
+if [[ "$SWAP" != "NONE" ]]; then
+    SWAP_UUID=$(blkid --match-tag PARTUUID --output value "$SWAP")
+fi
+
+HARDWARE_CONFIG=$(mktemp)
+cat <<CONFIG > "$HARDWARE_CONFIG"
+  networking.hostId = "$HOSTID";
+  boot.initrd.supportedFilesystems = [ "xfs" ];
+  boot.supportedFilesystems = [ "xfs" ];
+CONFIG
+
+pprint "Append XFS configuration to hardware-configuration.nix"
+sed -i "\$e cat $HARDWARE_CONFIG" /mnt/etc/nixos/hardware-configuration.nix
+
+if [[ "$SWAP" != "NONE" ]]; then
+    perl -0777 -pi -e "s#swapDevices.+#swapDevices = [\n    {\n      device = \"/dev/disk/by-partuuid/$SWAP_UUID\";\n      randomEncryption.enable = true;\n    }\n  ];#" /mnt/etc/nixos/hardware-configuration.nix
+fi
+
+cp /mnt/etc/nixos/hardware-configuration.nix $CONFIG_FOLDER/machines/$DEVICE_NAME/hardware-configuration.nix
+chown 1000:users ../machines/$DEVICE_NAME/hardware-configuration.nix
+# Change <not-detected> for flakes
+sed -i "s#<nixpkgs/nixos/modules/installer/scan/not-detected.nix>#\"\${inputs.nixpkgs}/nixos/modules/installer/scan/not-detected.nix\"#" $CONFIG_FOLDER/machines/$DEVICE_NAME/hardware-configuration.nix
+git add -A
+
+clean_stdin
+read -p "> Do you want to execute nixos-install command?" -n 1 -r
+echo
+if [[ "$REPLY" =~ ^[Yy]$ ]]
+then
+    nixos-install --flake "../#$DEVICE_NAME" --max-jobs $MAX_JOBS --no-root-passwd --impure
+fi
+
+pprint "Copy config to destination system"
+mkdir -p /mnt/home/alukard/nixos-config
+cp -aT $CONFIG_FOLDER /mnt/home/alukard/nixos-config