Update scripts to better support remote installs using nixos-anywhere.
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19
LICENSE
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19
LICENSE
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Copyright (c) 2023 Mr. Gecko's Media (James Coleman). http://mrgeckosmedia.com/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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43
README.md
43
README.md
@ -2,9 +2,34 @@
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These are my configurations for nixos. You are free to use it, however it may be best for you to fork and make your own.
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## Installing
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In my experience, you need a larger disk size for the nix store on the installer than is created. As such, I use a swap file/drive, recommended separate drive from the one being installed to.
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You can install locally, or remote using [nixos anywhere](https://github.com/nix-community/nixos-anywhere). My suggestion is to use the remote method if possible.
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### Swap example.
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### NixOS Anywhere
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- Download this repo.
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```bash
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nix-shell -p git
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git clone --recursive https://github.com/GRMrGecko/nixos.git
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cd nixos/
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```
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- Ensure you have ssh acces with keys.
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- Configure the configuration for the remote machine, entering root@IPADDR for the system you're configuring.
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```bash
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./configure.sh
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```
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- Run the installer, entering root@IPADDR for the system you're installing on.
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```bash
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./install.sh
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```
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- After first boot, copy over the nixos dir to make it easy to rebuild and update.
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```bash
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./rsync.sh --include-settings user@IPADDR
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```
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### Install on local system
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#### Swap example
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On systems with a small amount of RAM, you may wish to add an USB drive and attach it as a virtual swap.
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This is a small example of how to do so, you will need to update to fit your sitation.
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```bash
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mkdir /mnt/usb
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@ -16,26 +41,22 @@ swapon /mnt/usn/swap
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mount -o remount,size=20G,noatime /nix/.rw-store
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```
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### The install process.
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After setting up the extra swap space, clone and enter the nixos repo.
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#### The install process.
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- clone and enter the nixos repo.
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```bash
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nix-shell -p git
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git clone --recursive https://github.com/GRMrGecko/nixos.git
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cd nixos/
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```
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After you get into the repo, configure the machine to your liking.
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- Configure the machine to your liking.
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```bash
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./configure.sh
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```
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After configuring, install. You can define a tmpdir as the USB drive with `TMPDIR=/mnt/usb` if you want to reduce load on RAM.
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- Install. You can define a tmpdir as the USB drive with `TMPDIR=/mnt/usb` if you want to reduce load on RAM.
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```bash
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./install.sh --disk main /dev/sda
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```
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After install is complete, you can then rsync the nixos dir to the user account on the install:
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- After install is complete, you can then rsync the nixos dir to the user account on the install:
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```bash
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nix-shell -p rsync
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mount -o compress=zstd /dev/mapper/crypted /mnt/hdd
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28
configure.sh
28
configure.sh
@ -68,9 +68,25 @@ chooseYN() {
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done
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}
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remoteAddr=""
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echo "If you are configuring a remote machine, ensure you have ssh access with keys."
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echo -n "Configuring [local machine]: "
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read -r CHOICE
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if [[ -n $CHOICE ]]; then
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remoteAddr="$CHOICE"
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fi
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sshCmd=""
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if [[ -n $remoteAddr ]]; then
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if ssh "$remoteAddr" /usr/bin/env true; then
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sshCmd="ssh $remoteAddr"
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else
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echo "Unable to confirm connection to remote $remoteAddr"
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fi
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fi
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# Determine video drivers based on PCI devices.
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videoDrivers="unknown"
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pciRaw=$(lspci | grep -E 'VGA')
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pciRaw=$($sshCmd lspci | grep -E 'VGA')
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if [[ "$pciRaw" =~ QXL ]]; then
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videoDrivers="qxl"
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elif [[ "$pciRaw" =~ NVIDIA ]]; then
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@ -111,7 +127,7 @@ echo
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echo "Select a disk from the list below:"
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# List disks to allow a choice to be made without stopping
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# configuration and verifying available disks.
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lsblk -o PATH,ID-LINK,SIZE -t
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$sshCmd lsblk -o PATH,ID-LINK,SIZE -t
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echo
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echo -n "Choose disk (/dev/disk/by-id/{ID-LINK}) [$diskDefault]: "
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read -r disk
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@ -143,7 +159,7 @@ if [[ "$CHOICE" == "y" ]]; then
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echo "Passwords do not match, try again."
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done
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# Save the password to the tmpfs for disko to pick up during partitioning.
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echo "$luksPasswd" > /tmp/secret.key
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echo -n "$luksPasswd" | $sshCmd dd of=/tmp/secret.key
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fi
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# Get username for the main user.
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@ -171,7 +187,7 @@ while true; do
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done
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# Use mkpasswd to create a hashed password with the lastest
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# linux password hashing algorithm.
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password=$(mkpasswd "$mainPasswd")
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password=$($sshCmd mkpasswd "\"$mainPasswd\"")
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# Determine SSH keys to allow into the system.
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sshKeys=()
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@ -231,7 +247,7 @@ rec {
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locale = "en_US.UTF-8";
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packages = "${PACKAGES}";
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profile = "${PROFILE}";
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hostId = (builtins.substring 0 8 (builtins.readFile "/etc/machine-id"));
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hostId = "$(tr -dc a-f0-9 </dev/urandom | head -c 8)";
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hostName = "${hostName}";
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videoDrivers = "${videoDrivers}";
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disk = {
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@ -261,4 +277,4 @@ EOF
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# Generate hardware-configuration.nix without filesystems as we use the disko partitoning flake.
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echo
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echo "Generating hardware-configuration.nix"
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nixos-generate-config --no-filesystems --show-hardware-config | tee "$nixosDir/hardware-configuration.nix"
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$sshCmd nixos-generate-config --no-filesystems --show-hardware-config | tee "$nixosDir/hardware-configuration.nix"
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45
install.sh
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install.sh
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cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null || exit
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nixosDir=$(pwd)
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remoteAddr=""
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echo -n "Install on [local machine]: "
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read -r CHOICE
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if [[ -n $CHOICE ]]; then
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remoteAddr="$CHOICE"
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fi
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sshCmd=""
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if [[ -n $remoteAddr ]]; then
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if ssh "$remoteAddr" /usr/bin/env true; then
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sshCmd="ssh $remoteAddr"
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else
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echo "Unable to confirm connection to remote $remoteAddr"
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fi
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fi
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# Get short hostname to work with host specific configurations.
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host=$(hostname -s)
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if [[ -n $nixHostOverride ]]; then
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host=$nixHostOverride
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host=""
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if [[ "$(grep hostName settings.nix)" =~ \"(.*)\" ]]; then
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host=${BASH_REMATCH[1]}
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fi
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# If hostname wasn't found, try using the hostname command.
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if [[ -z $host ]]; then
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host=$($sshCmd hostname -s)
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fi
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# Confirm host configuration is available; If not, we should not continue.
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@ -15,6 +35,19 @@ if ! grep -q "nixosConfigurations.$host " flake.nix; then
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host="default"
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fi
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# Install NixOS.
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# shellcheck disable=SC2068
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nix --extra-experimental-features 'nix-command flakes' run 'github:nix-community/disko#disko-install' -- --flake "path:$nixosDir/#$host" $@
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# If remote address provided, use nixos-anywhere.
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if [[ -n $remoteAddr ]]; then
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localArch=$(uname -m)
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remoteArch=$($sshCmd uname -m)
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if [[ "$localArch" != "$remoteArch" ]]; then
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# shellcheck disable=SC2068
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nix --extra-experimental-features 'nix-command flakes' run 'github:nix-community/nixos-anywhere' -- --build-on-remote --flake "path:$nixosDir/#$host" "$remoteAddr" $@
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else
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# shellcheck disable=SC2068
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nix --extra-experimental-features 'nix-command flakes' run 'github:nix-community/nixos-anywhere' -- --flake "path:$nixosDir/#$host" "$remoteAddr" $@
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fi
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else
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# Otherwise install with disko-install.
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# shellcheck disable=SC2068
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nix --extra-experimental-features 'nix-command flakes' run 'github:nix-community/disko#disko-install' -- --flake "path:$nixosDir/#$host" $@
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fi
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40
rsync.sh
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rsync.sh
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cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null || exit
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nixosDir=$(pwd)
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# Print the help for this command.
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print_help() {
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echo "NixOS Rsync"
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echo
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echo "Usage:"
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echo "$0 [--help|--include-settings] {host}"
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exit
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}
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# Defaults
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remoteAddr=""
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excludes="--exclude settings.nix --exclude hardware-configuration.nix"
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# Parse provided arguments.
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while (( $# > 0 )); do
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case "$1" in
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-h|h|help|--help)
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print_help "$@"
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;;
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-i|--include-settings)
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excludes=""
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shift
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;;
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*)
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remoteAddr="$1"
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shift
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;;
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esac
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done
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# If no address provided, exit.
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if [[ -z $remoteAddr ]]; then
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echo "You must provide a host."
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echo
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print_help "$@"
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fi
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# Sync configuration via rsync.
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rsync -av --delete --exclude settings.nix --exclude hardware-configuration.nix "$nixosDir/" "$1:nixos/"
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eval rsync -av --delete "$excludes" "'$nixosDir/'" "'$remoteAddr:nixos/'"
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