Tag v0.1.0

cmd/byre/install.go

@@ -8,6 +8,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strings"
+	"syscall"
 
 	"g.fc.run/ai/byre/internal/tailscale"
 )
@@ -69,19 +70,27 @@ func installCmd() {
 	}
 	fmt.Println("wrote", plistPath)
 
-	domain := fmt.Sprintf("gui/%d", os.Getuid())
-	service := domain + "/" + serviceLabel
-	if exec.Command("launchctl", "print", service).Run() == nil {
-		run("launchctl", "bootout", service)
-	}
-	run("launchctl", "bootstrap", domain, plistPath)
-	fmt.Println("started", service, "running", exe)
-
 	url, err := tailscale.ServeRoot(context.Background(), "http://"+defaultListen)
 	if err != nil {
 		fatal("tailscale serve", "err", err)
 	}
 	fmt.Println("byre is at", url)
+
+	domain := fmt.Sprintf("gui/%d", os.Getuid())
+	service := domain + "/" + serviceLabel
+	if exec.Command("launchctl", "print", service).Run() != nil {
+		run("launchctl", "bootstrap", domain, plistPath)
+		fmt.Println("started", service, "running", exe)
+		return
+	}
+	// bootout kills every process the service started, which includes this one when an agent runs it.
+	reload := exec.Command("/bin/sh", "-c", `launchctl bootout "$1"; launchctl bootstrap "$2" "$3"`, "sh", service, domain, plistPath)
+	reload.SysProcAttr = &syscall.SysProcAttr{Setsid: true}
+	err = reload.Start()
+	if err != nil {
+		fatal("restart service", "err", err)
+	}
+	fmt.Println("restarting", service, "on", exe)
 }
 
 func run(name string, args ...string) {