caem/caenix
caem/caenix
1
Fork 0
Code Pull requests Releases Activity

moar progress

Browse source
This commit is contained in:
caem 2025-01-15 00:27:29 +01:00
parent 99605585e1
commit 135236685a
Signed by: caem
GPG key ID: 69A830D03203405F
6 changed files with 83 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

106
install.sh
View file

@ -32,6 +32,7 @@ args() {
echo " -h|--help Print this and exit"
echo " -d|--device [device] (required) The device you want to install NixOS on to"
echo " -o|--host [hostname] (required) The host from ./hosts you want to install"
echo " -b|--build Build the system without installing"
echo ""
echo "origin: https://github.com/c4em/dotnix"
echo ""
@ -60,6 +61,10 @@ args() {
DOTNIX_HOSTNAME="$2"
shift 2
;;
"-b" | "--build")
DOTNIX_DO_ONLY_BUILD=1
shift 1
;;
*)
>&2 echo "Unrecognized argument '$1'. Run with --help to view accepted arguments."
@ -68,8 +73,10 @@ args() {
esac
done
args_ensure_is_set "--device" "$DOTNIX_INSTALL_DEVICE"
args_ensure_is_set "--host" "$DOTNIX_HOSTNAME"
if [ -z "$DOTNIX_DO_ONLY_BUILD" ]; then
args_ensure_is_set "--device" "$DOTNIX_INSTALL_DEVICE"
fi
}
sed_safe () {
@ -77,54 +84,77 @@ sed_safe () {
printf "%s" "$1" | sed -r 's/([\$\.\*\/\[\\^])/\\\1/g' | sed 's/[]]/\[]]/g'
}
partition_num_for_device() {
parent_dir="$(basename "$(dirname "$1")")"
if [ "$parent_dir" = "disk" ]; then
>&2 echo "Don't use persistent device names. They will automatically be set later on."
exit 1
elif [ "$parent_dir" = "mapper" ]; then
>&2 echo "lvm volumes are not supported."
exit 1
elif [ "$parent_dir" != "dev" ]; then
>&2 echo "Block device directory not recognized: $parent_dir"
exit 1
fi
case "$(basename "$1")" in
"nvme"* | "mmcblk"*)
printf "%s" "${1}p${2}"
;;
"sda"* | "vda"* | "hda"*)
printf "%s" "${1}${2}"
;;
*)
>&2 echo "Invalid block device type '$(basename "$1")'"
exit 1
;;
esac
}
update_managed_values() {
sed -i 's/\( *device = \)".*"\(; #.*\)/\1"'"$(sed_safe "$DOTNIX_INSTALL_DEVICE")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/default.nix"
sed -i 's/\( *device = \)".*"\(; #.*\)/\1"'"$(sed_safe "$DOTNIX_INSTALL_DEVICE")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/disko.nix"
sed -i 's/\( *MNT_PART=\)".*"\( #.*\)/\1"'"$(sed_safe \
"$(partition_num_for_device "$DOTNIX_INSTALL_DEVICE" "2")")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/disko.nix"
sed -i 's/\( *system.stateVersion = \)".*"\(; #.*\)/\1"'"$(sed_safe "$(nixos-version | cut -f1,2 -d '.')")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/default.nix"
}
build() {
nix build ".#nixosConfigurations.${DOTNIX_HOSTNAME}.config.system.build.toplevel"
}
permissions() {
if [ "$(id -u)" = "0" ]; then
sudo () {
true
}
else
sudo -v
fi
}
ensure_confirmation() {
printf "\e[1;31m=== ARE YOU SURE YOU WANT TO CONTINUE WITH THE INSTALLATION ===\e[0m\n\n"
printf "This will \e[1;31mIRREVERSIBLY\e[0m wipe all data in '%s'\n" "$DOTNIX_INSTALL_DEVICE"
printf "This disk contains following partitions:\n\n"
lsblk -o NAME,SIZE,TYPE,FSTYPE "$DOTNIX_INSTALL_DEVICE"
printf "\n"
lsblk -no NAME "$DOTNIX_INSTALL_DEVICE" | tail -n +2 | tr -cd '[:alnum:][:space:]' | xargs -I {} -- df -h "/dev/{}"
printf "\n"
printf "Please write 'Yes, do as I say!' to continue with the installation\n> "
read -r install_prompt
if [ "$install_prompt" != "Yes, do as I say!" ]; then
echo "Cancelling installation"
exit 0
else
DOTNIX_CONFIRM_DISK_NUKE="yes"
fi
}
partition_disk() {
if [ "$DOTNIX_CONFIRM_DISK_NUKE" = "yes" ]; then
sudo nix run github:nix-community/disko/latest -- --mode destroy,format,mount "./hosts/$DOTNIX_HOSTNAME/disko.nix"
else
>&2 echo "Aborted installation due to invalid state in the partitioning step."
exit 1
fi
}
generate_config() {
nixos-generate-config --no-filesystems --root /mnt
}
main () {
args "$@"
permissions
if [ "$(id -u)" != "0" ]; then
>&2 echo "The installation script must be run as root to work."
exit 1
fi
if [ ! -d /sys/firmware/efi ]; then
>&2 echo "Legacy BIOS is unsupported"
exit 1
if [ -n "$DOTNIX_DO_ONLY_BUILD" ]; then
if [ -n "$DOTNIX_INSTALL_DEVICE" ]; then
update_managed_values
fi
build
exit 0
fi
ensure_confirmation
update_managed_values
partition_disk
generate_config
# todo run the install
}
set -e