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SSH_OPTIONS := "-o PubkeyAuthentication=no -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
nixdisk := "vda"
nixaddr := ""
hostname := lowercase(`hostname -s`)
default:
@just --list
[doc('update dependencies')]
[group('nix')]
update-deps:
nix flake update --commit-lock-file
[doc('a simple check to ensure the nix configuration is OK')]
[group('nix')]
test-nix:
nix flake check
nix develop -c echo OK
[doc('run various formatting tools')]
[group('nix')]
fmt:
nix fmt
# Nix Store can contains corrupted entries if the nix store object has been modified unexpectedly.
# This command will verify all the store entries,
[doc('verify all the store entries')]
[group('nix')]
verify-store:
nix store verify --all
[doc('garbage collect all unused nix store entries (system-wide and home-manager)')]
[group('nix')]
gc:
# garbage collect all unused nix store entries(system-wide)
sudo nix-collect-garbage --delete-older-than 7d
# garbage collect all unused nix store entries(for the user - home-manager)
# https://github.com/NixOS/nix/issues/8508
nix-collect-garbage --delete-older-than 7d
[doc('list recent version')]
[group('nix')]
history:
nix profile history --profile /nix/var/nix/profiles/system
[doc('show all the auto gc roots in the nix store')]
[group('nix')]
gcroot:
ls -al /nix/var/nix/gcroots/auto/
[doc('build the configuration for the current host')]
[group('machines')]
[macos]
build:
darwin-rebuild build --flake .#{{ hostname }}
[doc('switch the configuration for the current host')]
[group('machines')]
[macos]
switch:
darwin-rebuild switch --flake .#{{ hostname }}
[doc('build the configuration for the current host')]
[group('machines')]
[linux]
build:
nixos-rebuild build --flake .#{{ hostname }}
[doc('switch the configuration for the current host')]
[group('machines')]
[linux]
switch:
nixos-rebuild switch --flake .#{{ hostname }}
[group('vm')]
vm-bootstrap:
#!/usr/bin/env bash
set -euxo pipefail
ssh {{ SSH_OPTIONS }} root@{{ nixaddr }} " \
parted /dev/{{ nixdisk }} -- mklabel gpt; \
parted /dev/{{ nixdisk }} -- mkpart primary 512MB 100%; \
parted /dev/{{ nixdisk }} -- mkpart ESP fat32 1MB 512MB; \
parted /dev/{{ nixdisk }} -- set 2 esp on; \
sleep 1; \
mkfs.ext4 -L nixos /dev/{{ nixdisk }}1; \
mkfs.fat -F 32 -n boot /dev/{{ nixdisk }}2; \
sleep 1; \
mount /dev/disk/by-label/nixos /mnt; \
mkdir -p /mnt/boot; \
mount /dev/disk/by-label/boot /mnt/boot; \
nixos-generate-config --root /mnt; \
sed --in-place '/system\.stateVersion = .*/a \
nix.extraOptions = \"experimental-features = nix-command flakes\";\n \
services.openssh.enable = true;\n \
services.openssh.settings.PasswordAuthentication = true;\n \
services.openssh.settings.PermitRootLogin = \"yes\";\n \
users.users.root.initialPassword = \"root\";\n \
' /mnt/etc/nixos/configuration.nix; \
nixos-install --no-root-passwd && reboot; \
"
[group('vm')]
vm-copy:
#!/usr/bin/env fish
rsync -av -e 'ssh {{ SSH_OPTIONS }}' \
--exclude='.git/' \
--exclude='result' \
--exclude='.direnv/' \
--rsync-path="sudo rsync" \
$(dirname justfile)/ {{ nixaddr }}:/nix-config
[group('llm')]
llm:
#!/usr/bin/env fish
uv tool install llm -U
llm install -U llm-anthropic
llm models default anthropic/claude-3-7-sonnet-20250219
llm keys set anthropic --value (op read --account my.1password.com "op://Private/anthropic llm/credential")
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