66 lines
1.4 KiB
Bash
66 lines
1.4 KiB
Bash
#!/usr/bin/env bash
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SSD='/dev/sda'
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MNT='/mnt'
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SWAP_GB=4
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# Helper function to wait for devices
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wait_for_device() {
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local device=$1
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echo "Waiting for device: $device ..."
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while [[ ! -e $device ]]; do
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sleep 1
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done
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echo "Device $device is ready."
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}
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# Function to install a package if it's not already installed
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install_if_missing() {
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local cmd="$1"
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local package="$2"
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if ! command -v "$cmd" &> /dev/null; then
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echo "$cmd not found, installing $package..."
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nix-env -iA "nixos.$package"
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fi
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}
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install_if_missing "sgdisk" "gptfdisk"
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install_if_missing "partprobe" "parted"
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wait_for_device $SSD
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echo "Wiping filesystem on $SSD..."
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wipefs -a $SSD
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echo "Clearing partition table on $SSD..."
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sgdisk --zap-all $SSD
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echo "Partitioning $SSD..."
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parted -s "$SSD" \
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mklabel gpt \
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mkpart ESP fat32 1MiB 513MiB \
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set 1 esp on \
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mkpart primary linux-swap 513MiB "$((513 + SWAP_GB*1024))"MiB \
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mkpart primary ext4 "$((513 + SWAP_GB*1024))"MiB 100%
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partprobe -s $SSD
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udevadm settle
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wait_for_device ${SSD}-part1
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wait_for_device ${SSD}-part2
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wait_for_device ${SSD}-part3
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echo "Formatting partitions..."
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mkfs.vfat -n BOOT "${SSD}1"
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mkswap -L SWAP "${SSD}2"
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mkfs.ext4 -L ROOT "${SSD}3"
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echo "Mounting partitions..."
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mount "${SSD}3" "$MNT"
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mkdir -p "$MNT/boot"
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mount "${SSD}1" "$MNT/boot"
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echo "Enabling swap..."
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swapon "${SSD}2"
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echo "Partitioning and setup complete:"
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lsblk -o NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL
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