feat: add command to stop running holesail processes

cmd/down.go

@@ -0,0 +1,46 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+	"syscall"
+
+	"github.com/shirou/gopsutil/process"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(downCmd)
+}
+
+var downCmd = &cobra.Command{
+	Use:   "down",
+	Short: "Stop running holesail processes",
+	Args:  cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		processes, err := process.Processes()
+		if err != nil {
+			fmt.Println(err)
+			return
+		}
+
+		var stoppedProcesses int
+
+		for _, process := range processes {
+			processName, _ := process.Name()
+			cmdLine, _ := process.Cmdline()
+
+			if processName == "node" {
+				cmdLineSplitted := strings.Split(cmdLine, "/")
+				cmdLineWithoutBloat := strings.Join(cmdLineSplitted[len(cmdLineSplitted)-3:], "/")
+
+				if strings.HasPrefix(cmdLineWithoutBloat, "node_modules/holesail/index.js") {
+					process.SendSignal(syscall.SIGINT)
+					stoppedProcesses++
+				}
+			}
+		}
+
+		fmt.Printf("Stopped %v holesail processes\n", stoppedProcesses)
+	},
+}

cmd/up.go

@@ -84,7 +84,10 @@ var upCmd = &cobra.Command{
 			httputil.NewSingleHostReverseProxy(appUrl).ServeHTTP(w, r)
 		})
 
-		http.ListenAndServe(":80", nil)
+		err := http.ListenAndServe(":80", nil)
+		if err != nil {
+			fmt.Println(err)
+		}
 	},
 }