ark/lib/pkgs-lib/shell/flk.sh

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#!/usr/bin/env bash
[[ -d "$DEVSHELL_ROOT" ]] ||
{
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echo "This script must be run from devos's devshell" >&2
exit 1
}
shopt -s extglob
HOSTNAME="$(hostname)"
usage () {
printf "%b\n" \
"\e[4mUsage\e[0m: $(basename $0) COMMAND [ARGS]\n" \
"\e[4mCommands\e[0m:"
printf " %-30s %s\n\n" \
"up" "Generate $DEVSHELL_ROOT/hosts/up-$HOSTNAME.nix" \
"update [INPUT]" "Update and commit the lock file, or specific input" \
"get (core|community) [DEST]" "Copy the desired template to DEST" \
"iso HOST" "Generate an ISO image of HOST" \
"install HOST [ARGS]" "Shortcut for nixos-install" \
"home HOST USER [switch]" "Home-manager config of USER from HOST" \
"HOST (switch|boot|test)" "Shortcut for nixos-rebuild"
}
case "$1" in
""|"-h"|"help"|*(-)"help")
usage
;;
"up")
mkdir -p "$DEVSHELL_ROOT/up"
nixos-generate-config --dir "$DEVSHELL_ROOT/up/$HOSTNAME"
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printf "%s\n" \
"{ suites, ... }:" \
"{" \
" imports = [" \
" ../up/$HOSTNAME/configuration.nix" \
" ] ++ suites.core;" \
"}" > "$DEVSHELL_ROOT/hosts/up-$HOSTNAME.nix"
git add -f \
"$DEVSHELL_ROOT/up/$HOSTNAME" \
"$DEVSHELL_ROOT/hosts/up-$HOSTNAME.nix"
;;
"update")
if [[ -n "$2" ]]; then
if [[ -n "$3" ]]; then
(cd $2; nix flake list-inputs --update-input "$3")
else
(cd $2; nix flake update)
fi
nix flake list-inputs --update-input "$2" "$DEVSHELL_ROOT"
else
nix flake update "$DEVSHELL_ROOT"
fi
;;
"get")
if [[ "$2" == "core" || "$2" == "community" ]]; then
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nix flake new -t "github:divnix/devos/$2" "${3:-flk}"
else
echo "flk get (core|community) [DEST]"
exit 1
fi
;;
"iso")
nix build \
"$DEVSHELL_ROOT#nixosConfigurations.$2.config.system.build.iso" \
"${@:3}"
;;
"install")
sudo nixos-install --flake "$DEVSHELL_ROOT#$2" "${@:3}"
;;
"home")
ref="$DEVSHELL_ROOT/#homeConfigurations.$3@$2.home.activationPackage"
if [[ "$4" == "switch" ]]; then
nix build "$ref" && result/activate &&
unlink result
else
nix build "$ref" "${@:4}"
fi
;;
*)
sudo nixos-rebuild --flake "$DEVSHELL_ROOT#$1" "${@:2}"
;;
esac