108 lines
3.5 KiB
Bash
108 lines
3.5 KiB
Bash
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#!/bin/bash
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set -e
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source funcs.sh
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log_msg INFO "Welcome to the simple Gentoo installer script!"
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log_msg INFO "$(cat <<-END
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This script assumes the following things:
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- networking works
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- gpt & uefi
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- ext4 filesystems
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- openrc
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END
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)"
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#
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# initial install
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#
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# make sure all scripts are executable
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chmod +x *.sh
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# configure installer
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export CFG_BLOCK_DEVICE="$(prompt_value "Target block device handle" "")"
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export CFG_PART_PREFIX="$(prompt_value "Partition number prefix (eg. 'p' for NVMe, '' for HDD/SSD)" "")"
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export CFG_BLOCK_PART="${CFG_BLOCK_DEVICE}${CFG_PART_PREFIX}"
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export CFG_PART_BOOT_SIZE="$(prompt_value "Boot partition size (in MB)" "256")"
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export CFG_PART_SWAP_SIZE="$(prompt_value "Swap partition size (in MB)" "4096")"
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export CFG_PART_ROOT_SIZE="$(prompt_value "Root partition size (in MB)" "")"
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export CFG_PART_HOME_SIZE="$(prompt_value "Home partition size (in %)" "100")%"
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export CFG_LLVM="$(prompt_accept "Use LLVM instead of GNU CC")"
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export CFG_TIMEZONE="$(prompt_value "System timezone" "America/Los_Angeles")"
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export CFG_LOCALE="$(prompt_value "System locale" "en_US")"
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export CFG_HOSTNAME="$(prompt_value "System hostname" "gentoo")"
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export CFG_NETWORK_INTERFACE="$(prompt_value "Network interface name" "enp0s3")"
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export CFG_KEYMAP="$(prompt_value "Keymap to use" "fi")"
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export CFG_ROOT_PASSWORD="$(prompt_value "Root user password" "")"
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log_msg INFO "$(cat <<END
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Verify configuration:
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- CFG_BLOCK_DEVICE: $CFG_BLOCK_DEVICE
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- CFG_PART_PREFIX: $CFG_PART_PREFIX
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- CFG_BLOCK_PART: $CFG_BLOCK_PART
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- CFG_PART_BOOT_SIZE: $CFG_PART_BOOT_SIZE
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- CFG_PART_SWAP_SIZE: $CFG_PART_SWAP_SIZE
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- CFG_PART_ROOT_SIZE: $CFG_PART_ROOT_SIZE
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- CFG_PART_HOME_SIZE: $CFG_PART_HOME_SIZE
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- CFG_LLVM: $CFG_LLVM
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- CFG_TIMEZONE: $CFG_TIMEZONE
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- CFG_LOCALE: $CFG_LOCALE
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- CFG_HOSTNAME: $CFG_HOSTNAME
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- CFG_NETWORK_INTERFACE: $CFG_NETWORK_INTERFACE
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- CFG_KEYMAP: $CFG_KEYMAP
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- CFG_ROOT_PASSWORD: $CFG_ROOT_PASSWORD
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END
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)"
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PROMPT_PROCEED=$(prompt_accept "Verify that the above info is correct and proceed at your own risk")
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if [[ "$PROMPT_PROCEED" == "n" ]]; then
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log_msg WARN "Exiting installer safely, nothing was done..."
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exit 0
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fi
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# wipe old fs
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PROMPT_WIPEFS=$(prompt_accept "Wipe all from target filesystem")
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if [[ "$PROMPT_WIPEFS" == "y" ]]; then
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log_msg WARN "Executing 'wipefs -a $CFG_BLOCK_DEVICE' ..."
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wipefs -a $CFG_BLOCK_DEVICE
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fi
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# setup disklabel
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if [[ "${CFG_PART_UEFI}" == "y" ]]; then
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parted -a optimal $CFG_BLOCK_DEVICE mklabel gpt
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else
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parted -a optimal $CFG_BLOCK_DEVICE mklabel msdos
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fi
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# setup partitions
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parted -s $CFG_BLOCK_DEVICE mkpart primary 0% $CFG_PART_BOOT_SIZE
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parted -s $CFG_BLOCK_DEVICE mkpart primary $CFG_PART_BOOT_SIZE $CFG_PART_SWAP_SIZE
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parted -s $CFG_BLOCK_DEVICE mkpart primary $(($CFG_PART_BOOT_SIZE+$CFG_PART_SWAP_SIZE)) $CFG_PART_ROOT_SIZE
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parted -s $CFG_BLOCK_DEVICE mkpart primary $(($CFG_PART_BOOT_SIZE+$CFG_PART_SWAP_SIZE+$CFG_PART_ROOT_SIZE)) $CFG_PART_HOME_SIZE
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parted -s $CFG_BLOCK_DEVICE print
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# setup filesystems
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mkfs.fat -F 32 ${CFG_BLOCK_PART}1
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mkswap ${CFG_BLOCK_PART}2
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mkfs.ext4 ${CFG_BLOCK_PART}3
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mkfs.ext4 ${CFG_BLOCK_PART}4
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# activate swap partition
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swapon ${CFG_BLOCK_PART}2
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# mount root parition
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mkdir -p /mnt/gentoo
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mount ${CFG_BLOCK_PART}3 /mnt/gentoo
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# execute stage3 install
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cp stage3.sh /mnt/gentoo/
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cp funcs.sh /mnt/gentoo/
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(cd /mnt/gentoo ; bash stage3.sh)
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# finalize installation
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umount -l /mnt/gentoo/dev{/shm,/pts,}
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umount -R /mnt/gentoo
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log_msg INFO "All is done! You can execute 'reboot' now!"
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