mad changes
This commit is contained in:
lurk
commit
d6871d64d0
28
README.md
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28
README.md
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# a horrible customized gentoo-install
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i was too lazy to figure out how to fork it from github my apologies
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[source/upstream/whatever it's called i forgot](https://gitlab.com/harha_/gentoo-installer)
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[stole lots of flags and config stuff from here](https://www.reddit.com/r/Gentoo/comments/150r74m/guide_hyprland_nvidia_extremely_minimal_gentoo/)
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## todo
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- DO NOT USE!!!!! I'M NOT DONE (actually it would probably work cause i didnt change anything)
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- figure out how shell works
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- cut down on unneeded features
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- automatically install programs i like
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- not break things (hopefully)
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## hopefully added features
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- cut down on unneeded features
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- fully automate certain portions (installing kernel/decent portage flags etc etc)
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- default programs because i do not want to modify files just to get xorg working ever again
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- actually working efibootmgr
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## some notes for me (in the future)
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1. no mbr
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2. no full disk encryption
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3. only uses efistub (no bootloader)
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4. amd64 openrc only (could probably modify this in less than 10 seconds by changing stage3 download)
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5. assumes intel cpu and nvidia gpu
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gentoo is awful(ly good)
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37
funcs.sh
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37
funcs.sh
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#!/bin/bash
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check_args() {
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if [[ "$1" -ne "$2" ]]; then
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echo "check_args error, number of given arguments was $1, must be $2!"
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exit 1
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fi
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}
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log_msg() {
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check_args "$#" "2"
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echo "$(date '+%d/%m/%Y %H:%M:%S') $1: $2"
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}
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prompt_accept() {
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check_args "$#" "1"
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read -p "$1: " choice
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case "$choice" in
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y|Y|yes|YES ) echo "y";;
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n|N|no|NO ) echo "n";;
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* ) echo "n";;
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esac
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}
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prompt_value() {
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check_args "$#" "2"
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read -p "$1 ('.' for default: '$2'): " value
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if [[ "$value" == "." ]]; then
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echo $2
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else
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echo $value
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fi
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}
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107
install.sh
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107
install.sh
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@ -0,0 +1,107 @@
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#!/bin/bash
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set -e
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source funcs.sh
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log_msg INFO "Welcome to the simple Gentoo installer script!"
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log_msg INFO "$(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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199
stage3.sh
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199
stage3.sh
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@ -0,0 +1,199 @@
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#!/bin/bash
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set -e
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source funcs.sh
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#
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# stage3 install
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#
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# sync time
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ntpd -q -g || true
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# download & unpack stage3 tarball
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links https://www.gentoo.org/downloads/mirrors/
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LINKS_RUNNING="true"
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while [[ $LINKS_RUNNING == "true" ]]; do
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log_msg INFO "Waiting for user to quit links ..."
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LINKS_RUNNING=$(ps -aux | (grep -o '[l]inks') || true)
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sleep 5s
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done
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tar xpvf stage3-*.tar.xz --xattrs-include="*.*" --numeric-owner
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rm stage3-*.tar.xz
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# configure portage (COMMON/USE)
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PROMPT_PORTAGE=$(prompt_accept "Configure /etc/portage/make.conf COMMON/USE/MAKE/etc flags")
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if [[ "$PROMPT_PORTAGE" == "y" ]]; then
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nano -w ./etc/portage/make.conf
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NANO_RUNNING="true"
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while [[ $NANO_RUNNING == "true" ]]; do
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log_msg INFO "Waiting for user to quit nano ..."
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NANO_RUNNING=$(ps -aux | (grep -o '[n]ano') || true)
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sleep 5s
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done
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fi
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# make sure DNS works after chroot
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cp --dereference /etc/resolv.conf /mnt/gentoo/etc/
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# mount filesystems
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mount --types proc /proc /mnt/gentoo/proc
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mount --rbind /sys /mnt/gentoo/sys
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mount --make-rslave /mnt/gentoo/sys
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mount --rbind /dev /mnt/gentoo/dev
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mount --make-rslave /mnt/gentoo/dev
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mount --bind /run /mnt/gentoo/run
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mount --make-slave /mnt/gentoo/run
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# change root!
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chroot /mnt/gentoo /bin/bash << EOF
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set -e
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source funcs.sh
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source /etc/profile
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export PS1="(chroot) ${PS1}"
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log_msg INFO "mount boot partition (EFI)" >> /var/log/installer.log
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mkdir -p /boot/efi
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mount ${CFG_BLOCK_PART}1 /boot/efi
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log_msg INFO "synchronize gentoo ebuild repo" >> /var/log/installer.log
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emerge --ask n --sync
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# TODO: select profile
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log_msg INFO "update @world set (@system and @selected)" >> /var/log/installer.log
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emerge --ask n --update --deep --newuse @world
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log_msg INFO "configure licenses" >> /var/log/installer.log
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echo "ACCEPT_LICENSE=\"*\"" >> /etc/portage/make.conf
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log_msg INFO "configure timezone (glibc)" >> /var/log/installer.log
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echo ${CFG_TIMEZONE} > /etc/timezone
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emerge --ask n sys-libs/timezone-data
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log_msg INFO "configure locales (glibc)" >> /var/log/installer.log
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echo "fi_FI.UTF-8 UTF-8" >> /etc/locale.gen
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echo "fi_FI ISO-8859-1" >> /etc/locale.gen
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echo "en_GB.UTF-8 UTF-8" >> /etc/locale.gen
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locale-gen
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log_msg INFO "reload environment" >> /var/log/installer.log
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env-update && source /etc/profile && export PS1="(chroot) ${PS1}"
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#
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# firmware install
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#
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#
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# kernel install
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#
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log_msg INFO "install kernel sources" >> /var/log/installer.log
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emerge --ask n sys-kernel/gentoo-sources
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log_msg INFO "select kernel sources" >> /var/log/installer.log
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eselect kernel list
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eselect kernel set 1
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log_msg INFO "install genkernel" >> /var/log/installer.log
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emerge --ask n sys-kernel/genkernel
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log_msg INFO "set /boot/efi in fstab" >> /var/log/installer.log
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echo "${CFG_BLOCK_PART}1 /boot/efi vfat defaults 0 2" >> /etc/fstab
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if [[ "${CFG_LLVM}" == "y" ]]; then
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log_msg INFO "compile kernel sources (llvm)" >> /var/log/installer.log
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LLVM=1 LLVM_IAS=1 genkernel all \
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--kernel-as=llvm-as \
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--kernel-ar=llvm-ar \
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--kernel-cc=clang \
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--kernel-ld=ld.lld \
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--kernel-nm=llvm-nm \
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--utils-as=llvm-as \
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--utils-ar=llvm-ar \
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--utils-cc=clang \
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--utils-cxx=clang++ \
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--utils-ld=ld.lld \
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--utils-nm=llvm-nm
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else
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log_msg INFO "compile kernel sources (gcc)" >> /var/log/installer.log
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genkernel all
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fi
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#
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# filesystem install
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#
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log_msg INFO "set swap, / and cdrom in fstab" >> /var/log/installer.log
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mkdir -p /mnt/cdrom
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echo "${CFG_BLOCK_PART}"2 none swap sw 0 0 >> /etc/fstab
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echo "${CFG_BLOCK_PART}"3 / ext4 noatime 0 1 >> /etc/fstab
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echo /dev/cdrom /mnt/cdrom auto noauto,user 0 0 >> /etc/fstab
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#
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# networking install
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#
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log_msg INFO "set hostname" >> /var/log/installer.log
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echo "hostname=\"${CFG_HOSTNAME}\"" > /etc/conf.d/hostname
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log_msg INFO "install networkmanager" >> /var/log/installer.log
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emerge --ask n --noreplace net-misc/networkmanager
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log_msg INFO "install dhcpcd" >> /var/log/installer.log
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emerge --ask n net-misc/dhcpcd
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log_msg INFO "install wireless" >> /var/log/installer.log
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emerge --ask n net-wireless/iw net-wireless/wpa_supplicant
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log_msg INFO "configure networking" >> /var/log/installer.log
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log_msg INFO "configure hosts" >> /var/log/installer.log
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echo "127.0.0.1 ${CFG_HOSTNAME} localhost" >> /etc/hosts
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#
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# system install
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#
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log_msg INFO "set root password" >> /var/log/installer.log
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echo "root:${CFG_ROOT_PASSWORD}" | chpasswd
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log_msg INFO "set keymap" >> /var/log/installer.log
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sed -i '/^keymap/s/=.*$/=$"'"fi"'"/' /etc/conf.d/keymaps
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rc-update add keymaps boot
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rc-service keymaps restart
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log_msg INFO "install syslog" >> /var/log/installer.log
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emerge --ask n app-admin/sysklogd
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rc-update add sysklogd default
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log_msg INFO "install crond" >> /var/log/installer.log
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emerge --ask n sys-process/cronie
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rc-update add cronie default
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log_msg INFO "install file indexer" >> /var/log/installer.log
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emerge --ask n sys-apps/mlocate
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log_msg INFO "install filesystem tools" >> /var/log/installer.log
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emerge --ask n sys-fs/e2fsprogs
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emerge --ask n sys-fs/dosfstools
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#
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# bootloader install
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#
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log_msg INFO "install grub2 with efi" >> /var/log/installer.log
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echo "GRUB_PLATFORMS=\"efi-64\"" >> /etc/portage/make.conf
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emerge --ask n sys-boot/grub
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log_msg INFO "install EFI bootloader" >> /var/log/installer.log
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grub-install --target=x86_64-efi --efi-directory=/boot/efi
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log_msg INFO "configure bootloader" >> /var/log/installer.log
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grub-mkconfig -o /boot/grub/grub.cfg
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EOF
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