ark/shell/default.nix

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Nix
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{ pkgs ? (import ./compat).defaultNix.legacyPackages."${builtins.currentSystem}"
, nixos ? (import ./compat).defaultNix.inputs.nixos
, ...
}:
let
build = "config.system.build";
installPkgs = (import "${nixos}/nixos" {
configuration = { };
system = pkgs.system;
}).config.system.build;
flk = pkgs.writeShellScriptBin "flk" ''
if [[ -z "$1" ]]; then
echo "Usage: $(basename "$0") [ iso | up | install {host} | {host} [switch|boot|test] ]"
elif [[ "$1" == "up" ]]; then
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mkdir -p $DEVSHELL_ROOT/up
hostname=$(hostname)
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nixos-generate-config --dir $DEVSHELL_ROOT/up/$hostname
echo \
"{
imports = [ ../up/$hostname/configuration.nix ];
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}" > $DEVSHELL_ROOT/hosts/up-$hostname.nix
git add -f $DEVSHELL_ROOT/up/$hostname
git add -f $DEVSHELL_ROOT/hosts/up-$hostname.nix
elif [[ "$1" == "iso" ]]; then
nix build $DEVSHELL_ROOT#nixosConfigurations.niximg.${build}.isoImage "${"\${@:2}"}"
elif [[ "$1" == "install" ]]; then
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sudo nixos-install --flake "$DEVSHELL_ROOT#$2" "${"\${@:3}"}"
else
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sudo nixos-rebuild --flake "$DEVSHELL_ROOT#$1" "${"\${@:2}"}"
fi
'';
name = "flk";
in
pkgs.devshell.mkShell {
inherit name;
packages = with pkgs; with installPkgs; [
git-crypt
nixos-install
nixos-generate-config
nixos-enter
nixos-option
pre-commit
];
env = { inherit name; };
git.hooks = with pkgs; {
enable = true;
pre-commit.text = ''
if ${git}/bin/git rev-parse --verify HEAD >/dev/null 2>&1
then
against=HEAD
else
# Initial commit: diff against an empty tree object
against=$(${git}/bin/git hash-object -t tree /dev/null)
fi
# Redirect output to stderr.
exec 1>&2
# Format staged nix files.
exec ${nixpkgs-fmt}/bin/nixpkgs-fmt \
$(
${git}/bin/git diff-index --name-only --cached $against -- \
| ${ripgrep}/bin/rg '\.nix$'
)
'';
};
commands = with pkgs; [
{
name = nixpkgs-fmt.pname;
package = nixpkgs-fmt;
help = nixpkgs-fmt.meta.description;
category = "linters";
}
{
name = flk.name;
help = "Build, deploy, and install nixflk";
category = "main";
package = flk;
}
{
name = "grip";
help = python38Packages.grip.meta.description;
category = "servers";
package = python38Packages.grip;
}
{
name = git.pname;
help = git.meta.description;
category = "vcs";
package = git;
}
{
name = "nix";
help = nixFlakes.meta.description;
category = "main";
command = ''${nixFlakes}/bin/nix --option experimental-features "nix-command flakes ca-references" "$@"'';
}
];
}