devos/shell/default.nix

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{ pkgs ? (import ./compat).defaultNix.nixosConfigurations.NixOS.config.nixpkgs.pkgs
, 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
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echo "Usage: $(basename $0) [ up | get [core|community] {dest} | iso {host} | install {host} | {host} [switch|boot|test] | home {host} {user} [switch] ]"
elif [[ "$1" == "up" ]]; then
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mkdir -p "$DEVSHELL_ROOT/up"
hostname="$(hostname)"
nixos-generate-config --dir "$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 [[ "$1" == "iso" ]]; then
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nix build "$DEVSHELL_ROOT#nixosConfigurations.$2.${build}.iso" "${"\${@:3}"}"
elif [[ "$1" == "install" ]]; then
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sudo nixos-install --flake "$DEVSHELL_ROOT#$2" "${"\${@:3}"}"
elif [[ "$1" == "home" ]]; then
nix build "./#hmActivationPackages.$2.$3" "${"\${@:4}"}"
if [[ "$4" == "switch" ]]; then
./result/activate && unlink result
fi
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elif [[ "$1" == "get" ]]; then
if [[ "$2" == "core" || "$2" == "community" ]]; then
nix flake new -t "github:nrdxp/nixflk/$2" "${"\${3:-flk}"}"
else
echo "flk get [core|community] {dest}"
exit 1
fi
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
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mdbook
];
env = { inherit name; };
git.hooks = with pkgs; {
enable = true;
pre-commit.text = ''
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#!/usr/bin/env bash
if ${git}/bin/git rev-parse --verify HEAD >/dev/null 2>&1
then
against=HEAD
else
# Initial commit: diff against an empty tree object
against=$(${git}/bin/git hash-object -t tree /dev/null)
fi
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diff="${git}/bin/git diff-index --name-only --cached $against --diff-filter d"
nix_files=($($diff -- '*.nix'))
all_files=($($diff))
# Format staged nix files.
${nixpkgs-fmt}/bin/nixpkgs-fmt "${"\${nix_files[@]}"}" \
&& git add "${"\${nix_files[@]}"}"
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# check editorconfig
${editorconfig-checker}/bin/editorconfig-checker -- "${"\${all_files[@]}"}"
if [[ $? != '0' ]]; then
{
echo -e "\nCode is not aligned with .editorconfig"
echo "Review the output and commit your fixes"
} >&2
exit 1
fi
'';
};
commands = with pkgs; [
{
name = nixpkgs-fmt.pname;
package = nixpkgs-fmt;
help = nixpkgs-fmt.meta.description;
category = "linters";
}
{
name = flk.name;
help = "Build, deploy, and install nixflk";
category = "main";
package = flk;
}
{
name = "grip";
help = python38Packages.grip.meta.description;
category = "servers";
package = python38Packages.grip;
}
{
name = git.pname;
help = git.meta.description;
category = "vcs";
package = git;
}
{
name = "nix";
help = nixFlakes.meta.description;
category = "main";
command = ''${nixFlakes}/bin/nix --option experimental-features "nix-command flakes ca-references" "$@"'';
}
];
}