diff --git a/hosts/nixos/nord/configuration.nix b/hosts/nixos/nord/configuration.nix
index 9719427..eb39829 100644
--- a/hosts/nixos/nord/configuration.nix
+++ b/hosts/nixos/nord/configuration.nix
@@ -54,6 +54,7 @@
 
   environment.systemPackages = [
     pkgs.cemu
+    pkgs.superTuxKart
   ];
 
 
diff --git a/justfile b/justfile
index 20ef2e4..44e54b5 100644
--- a/justfile
+++ b/justfile
@@ -1,3 +1,5 @@
+set positional-arguments # makes variables accesible as $1 $2 $@
+export invokedir := invocation_directory()
 export GUM_CHOOSE_HEIGHT := "15"
 export GUM_FILTER_HEIGHT := "15"
 
@@ -32,16 +34,18 @@ update:
 @update-select:
   git reset flake.lock
   git restore flake.lock
-  nix eval .#inputs --apply builtins.attrNames --json 2>/dev/null \
+  nix eval --file flake.nix --apply 'x: builtins.attrNames x.inputs' --json \
     | (printf "%s\n" --commit-lock-file; jq '.[]' -r | tr '0123456789' '9876543210' | sort | tr '0123456789' '9876543210' | grep -v "^self$") \
     | gum choose --no-limit \
     | xargs nix flake update
   git add flake.lock
 
+# todo: support system-manager
 #build hostname=`if test -z "${IS_REMOTE_ENV:-}"; then just _a_host_timeout; else printf "\n"; fi`:
 build hostname="":
   nixos-rebuild build --accept-flake-config --show-trace --flake .#"{{hostname}}"
 
+# todo: support system-manager
 #build-no-remote-builders hostname=`if test -z "$IS_REMOTE_ENV"; then just _a_host_timeout; else printf "\n"; fi`:
 build-no-remote-builders hostname="":
   nixos-rebuild build --accept-flake-config --show-trace --flake .#"{{hostname}}" --builders ""
@@ -78,31 +82,36 @@ inspect:
 inspect-config host=`just _a_host` prefix="":
   nix run -- nixpkgs#nix-inspect  -e '(builtins.getFlake "'"$PWD"'").nixosConfigurations."{{host}}".config{{ if prefix == "" { "" } else { "." + prefix } }}'
 
-@_a_host:
-  hostnames="$(nix eval .#nixosConfigurations --apply builtins.attrNames --json 2>/dev/null | jq '.[]' -r)"; \
-  if test "$(grep <<<"$hostnames" "^$(just remote-current)$" | wc -l)" -eq 1; then hostnames="$(just remote-current; grep <<<"$hostnames" -v "^$(just remote-current)$")"; fi; \
-  if test "$(grep <<<"$hostnames" "^$(hostname)$" | wc -l)" -eq 1; then hostnames="$(hostname; grep <<<"$hostnames" -v "^$(hostname)$")"; fi; \
+_a_host:
+  #!/usr/bin/env -S bash -euo pipefail
+  hostnames="$(nix eval .#nixosConfigurations --apply builtins.attrNames --json 2>/dev/null | jq '.[]' -r)"
+  if test "$(grep <<<"$hostnames" "^$(just remote-current)$" | wc -l)" -eq 1; then hostnames="$(just remote-current; grep <<<"$hostnames" -v "^$(just remote-current)$")"; fi
+  if test "$(grep <<<"$hostnames" "^$(hostname)$" | wc -l)" -eq 1; then hostnames="$(hostname; grep <<<"$hostnames" -v "^$(hostname)$")"; fi
   gum <<<"$hostnames" filter --placeholder "Pick a host..."
 
 # ctrl-c is counted as a timeout...
-@_a_host_timeout:
-  hostnames="$(nix eval .#nixosConfigurations --apply builtins.attrNames --json 2>/dev/null | jq '.[]' -r)"; \
-  if test "$(grep <<<"$hostnames" "^$(hostname)$" | wc -l)" -eq 1; then hostnames="$(hostname; grep <<<"$hostnames" -v "^$(hostname)$")"; fi; \
+_a_host_timeout:
+  #!/usr/bin/env -S bash -euo pipefail
+  hostnames="$(nix eval .#nixosConfigurations --apply builtins.attrNames --json 2>/dev/null | jq '.[]' -r)"
+  if test "$(grep <<<"$hostnames" "^$(hostname)$" | wc -l)" -eq 1; then hostnames="$(hostname; grep <<<"$hostnames" -v "^$(hostname)$")"; fi
   gum <<<"$hostnames" filter --placeholder "Pick a host..." --timeout 5s || hostname
 
-@_some_hosts:
-  hostnames="$(nix eval .#nixosConfigurations --apply builtins.attrNames --json 2>/dev/null | jq '.[]' -r)"; \
-  if test "$(grep <<<"$hostnames" "^$(hostname)$" | wc -l)" -eq 1; then hostnames="$(hostname; grep <<<"$hostnames" -v "^$(hostname)$")"; fi; \
+_some_hosts:
+  #!/usr/bin/env -S bash -euo pipefail
+  hostnames="$(nix eval .#nixosConfigurations --apply builtins.attrNames --json 2>/dev/null | jq '.[]' -r)"
+  if test "$(grep <<<"$hostnames" "^$(hostname)$" | wc -l)" -eq 1; then hostnames="$(hostname; grep <<<"$hostnames" -v "^$(hostname)$")"; fi
   gum <<<"$hostnames" filter --placeholder "Pick a host..." --no-limit
 
-@_a_fqdn:
-  hostnames="$(nix eval .#nixosConfigurations --apply 'c: builtins.attrValues (builtins.mapAttrs (_: x: x.config.networking.fqdn) c)' --json 2>/dev/null | jq '.[]' -r)"; \
-  if test "$(grep <<<"$hostnames" "^$(hostname --fqdn)$" | wc -l)" -eq 1; then hostnames="$(hostname --fqdn; grep <<<"$hostnames" -v "^$(hostname --fqdn)$")"; fi; \
+_a_fqdn:
+  #!/usr/bin/env -S bash -euo pipefail
+  hostnames="$(nix eval .#nixosConfigurations --apply 'c: builtins.attrValues (builtins.mapAttrs (_: x: x.config.networking.fqdn) c)' --json 2>/dev/null | jq '.[]' -r)"
+  if test "$(grep <<<"$hostnames" "^$(hostname --fqdn)$" | wc -l)" -eq 1; then hostnames="$(hostname --fqdn; grep <<<"$hostnames" -v "^$(hostname --fqdn)$")"; fi
   gum <<<"$hostnames" filter --placeholder "Pick a host..."
 
-@_some_fqdns:
-  hostnames="$(nix eval .#nixosConfigurations --apply 'c: builtins.attrValues (builtins.mapAttrs (_: x: x.config.networking.fqdn) c)' --json 2>/dev/null | jq '.[]' -r)"; \
-  if test "$(grep <<<"$hostnames" "^$(hostname --fqdn)$" | wc -l)" -eq 1; then hostnames="$(hostname --fqdn; grep <<<"$hostnames" -v "^$(hostname --fqdn)$")"; fi; \
+_some_fqdns:
+  #!/usr/bin/env -S bash -euo pipefail
+  hostnames="$(nix eval .#nixosConfigurations --apply 'c: builtins.attrValues (builtins.mapAttrs (_: x: x.config.networking.fqdn) c)' --json 2>/dev/null | jq '.[]' -r)"
+  if test "$(grep <<<"$hostnames" "^$(hostname --fqdn)$" | wc -l)" -eq 1; then hostnames="$(hostname --fqdn; grep <<<"$hostnames" -v "^$(hostname --fqdn)$")"; fi
   gum <<<"$hostnames" filter --placeholder "Pick a host..." --no-limit
 
 @remote-current:
@@ -116,13 +125,14 @@ inspect-config host=`just _a_host` prefix="":
 @remote-set remote=`just remote-current >&2 && just _a_remote_label`:
   remote-set "{{remote}}"
 
-@motd:
+motd:
+  #!/usr/bin/env -S bash -euo pipefail
   printf "%s\n" "Current remote: $(just remote-current)"
   just remote-list
-  printf "\n"; \
-  todos=$(rg 'TODO' | wc -l); \
-  if [[ "$todos" -gt 10 ]]; then \
-    printf "%s\n" "There are $todos 'TODO's"; \
+  printf "\n"
+  todos=$(rg 'TODO' | wc -l)
+  if [[ "$todos" -gt 10 ]]; then
+    printf "%s\n" "There are $todos 'TODO's"
   fi
 
 @_a_remote_label:
@@ -137,10 +147,14 @@ inspect-config host=`just _a_host` prefix="":
 @_some_remote_fqdns:
   just remote-list | gum filter --placeholder "Pick remote..." --no-limit | cut -d' ' -f5-
 
-@_remote_ensure hostname=`just _a_fqdn`:
-  if test ! -s .remote.toml; then remote-init "{{ hostname }}"; \
-  elif tomlq <.remote.toml '.hosts | to_entries[] |.value.host' -r | grep -q "{{ hostname }}"; then true; \
-  else remote-add "{{ hostname }}"; \
+_remote_ensure $hostname=`just _a_fqdn`:
+  #!/usr/bin/env -S bash -euo pipefail
+  if test ! -s .remote.toml; then
+    remote-init "$hostname"
+  elif tomlq <.remote.toml '.hosts | to_entries[] |.value.host' -r | grep -q "$hostname"; then
+    true
+  else
+    remote-add "$hostname"
   fi
 
 @_remote_label_from_fqdn hostname=`just _a_fqdn`: