feat: add support for macOS

example/Makefile

@@ -1,5 +1,4 @@
 SHELL = bash
-.ONESHELL:
 
 ENV ?= dev
 K3S_CHANNEL ?= stable
@@ -20,11 +19,11 @@ up: .terraform env.auto.tfvars
 	$(MAKE) port-forward
 
 down: .terraform env.auto.tfvars
+	files/registry-port-forward.sh down
 	tofu destroy -auto-approve
 
 port-forward:
-	source files/env.sh
-	bash files/registry-port-forward.sh
+	source files/env.sh && files/registry-port-forward.sh up
 
 clean:
 	rm -Rf files/ .terraform/ terraform.tfstate* env.auto.tfvars

registry-port-forward.sh

@@ -2,19 +2,67 @@
 
 set -ue -o pipefail
 
-run() {
-  unit="k8s-registry-port-forward.service"
+service="k8s-registry-port-forward"
+
+run_systemd() {
   description="Port Forward for Container Registry of k8s dev environment"
 
-  systemctl --user stop "$unit" 2> /dev/null || true
+  cleanup_systemd
 
   systemd-run --user \
-    --unit="$unit" \
+    --unit="$service.service" \
     --description="$description" \
     --same-dir \
     --setenv="KUBECONFIG=$KUBECONFIG" \
     --collect \
     kubectl port-forward -n kube-system svc/docker-registry 30666:5000
 }
 
-run
+cleanup_systemd() {
+  systemctl --user stop "$service.service" 2> /dev/null || true
+}
+
+run_launchd() {
+  cleanup_launchd
+
+  launchctl submit \
+    -l "$service" \
+    -p "$(command -v kubectl)" \
+    -- kubectl --kubeconfig="$KUBECONFIG" port-forward -n kube-system svc/docker-registry 30666:5000
+}
+
+cleanup_launchd() {
+  launchctl remove "$service" 2> /dev/null || true
+}
+
+if command -v systemctl > /dev/null; then
+  run="run_systemd"
+  cleanup="cleanup_systemd"
+elif   command -v launchctl > /dev/null; then
+  run="run_launchd"
+  cleanup="cleanup_launchd"
+else
+  echo "No supported init system found"
+  exit 1
+fi
+
+help() {
+  cat << EOF >&2
+Usage:
+  $0 up
+  $0 down
+EOF
+  exit 1
+}
+
+case "${1:-}" in
+  "up")
+    $run
+    ;;
+  "down")
+    $cleanup
+    ;;
+  *)
+    help
+    ;;
+esac