Clear clipboard when copy process is closed

src/cli/copyMenu.go

@@ -2,6 +2,9 @@ package cli
 
 import (
 	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
 
 	"github.com/rwinkhart/go-boilerplate/back"
 	"github.com/rwinkhart/go-boilerplate/front"
@@ -36,6 +39,15 @@ func CopyMenu(targetLocation string) {
 		}
 	}
 
+	// set up signal handling for ctrl+c to clear clipboard
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		<-sigChan
+		clip.ClipClearProcess("")
+		os.Exit(0)
+	}()
+
 	// copy selected field to clipboard
 	for {
 		choice := front.InputMenuGen("Field to copy:", fields)
@@ -78,5 +90,4 @@ func CopyMenu(targetLocation string) {
 			}
 		}
 	}
-	// TODO clear clipboard on exit!
 }