77 lines
1.9 KiB
Fish
77 lines
1.9 KiB
Fish
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#!/usr/bin/env fish
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# sudo nix --experimental-features 'nix-command flakes' run nixpkgs#fish -- install.fish
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# Wrap command execution in log output with error handling
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function execute
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if $argv &>>install.log
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echo " done."
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else
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echo " error."
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exit 1
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end
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end
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# Alias nix to enable flakes
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alias nix "nix --experimental-features 'nix-command flakes'"
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# Gather variables
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set -l machine (read -P "Enter machine hostname: ")
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set -l secret (read -P "Enter encryption secret: ")
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# Clear logfile
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echo "Logging to install.log..."
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rm install.log &>/dev/null
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# Create keyfile
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echo -n "Creating secret.key..."
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execute nix run nixpkgs#fish -- -c "echo -n $secret > /tmp/secret.key"
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# Format disks
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echo -n "Formatting disks..."
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execute nix run disko -- -m disko machines/$machine/disko.nix
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# Shred keyfile
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echo -n "Shredding secret.key..."
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execute shred -zu /tmp/secret.key
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# Generate hardware configuration
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echo -n "Generating hardware-configuration.nix..."
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execute nixos-generate-config --no-filesystems --root /mnt --dir .
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# Move hardware configuration
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echo -n "Moving hardware-configuration.nix to machines/$machine/..."
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execute mv hardware-configuration.nix machines/$machine/
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# Stage files in git tree for flake to access
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git add .
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# Update flake
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echo -n "Updating flake.lock..."
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execute nix flake update
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# Confirm installation of NixOS
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while true
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switch (read -P "Install NixOS? [Y/N] ")
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case Y y
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break
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case N n
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exit
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end
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end
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# Install NixOS
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echo -n "Installing..."
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execute nixos-install --no-root-password --flake .#$machine
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# Update git remote to remove personal access token
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echo -n "Updating git remotes..."
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git remote rm origin
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execute git remote add git@github.com/Myned/nixos.git
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# Copy NixOS configuration to system
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echo -n "Copying NixOS configuration to /mnt/etc/nixos/..."
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execute cp -r . /mnt/etc/nixos/
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# Finish
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echo "Installation finished. Reboot when ready."
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