make cmd upgrade using go install

cmd/xgo/upgrade/upgrade.go

@@ -19,6 +19,32 @@ const latestURL = "https://github.com/xhd2015/xgo/releases/latest"
 
 func Upgrade(installDir string) error {
 	ctx := context.Background()
+	if true {
+		curXgoVersion, err := cmdXgoVersion()
+		if err != nil {
+			return err
+		}
+		// always run a simple go install command
+		err = cmdInstallXgo()
+		if err != nil {
+			return err
+		}
+		xgoVersionAfterUpdate, err := cmdXgoVersion()
+		if err != nil {
+			return err
+		}
+		if xgoVersionAfterUpdate == "" {
+			fmt.Fprintf(os.Stderr, "command 'xgo' not found, you may need to add $GOPATH/bin to your PATH\n")
+			return nil
+		}
+		if curXgoVersion == xgoVersionAfterUpdate {
+			fmt.Printf("upgraded xgo v%s\n", xgoVersionAfterUpdate)
+			return nil
+		}
+		fmt.Printf("upgraded xgo v%s -> v%s\n", curXgoVersion, xgoVersionAfterUpdate)
+		return nil
+	}
+
 	fmt.Printf("checking latest version...\n")
 	latestVersion, err := GetLatestVersion(ctx, 60*time.Second, latestURL)
 	if err != nil {
@@ -137,6 +163,12 @@ func cmdXgoVersion() (string, error) {
 	}
 	return version, nil
 }
+func cmdInstallXgo() error {
+	cmd := exec.Command("go", "install", "github.com/xhd2015/xgo/cmd/xgo@latest")
+	cmd.Stderr = os.Stderr
+	cmd.Stdout = os.Stdout
+	return cmd.Run()
+}
 
 func cmdOutput(cmd string, args ...string) (string, error) {
 	exeCmd := exec.Command(cmd, args...)

cmd/xgo/version.go

@@ -3,8 +3,8 @@ package main
 import "fmt"
 
 const VERSION = "1.0.24"
-const REVISION = "b70bf6dce3af4317cb6a3b2b18dc30e2b36b8afa+1"
-const NUMBER = 179
+const REVISION = "b0dd1873bc3e5e5464f55c7b01a077712dc4c818+1"
+const NUMBER = 180
 
 func getRevision() string {
 	revSuffix := ""

install.ps1

@@ -14,7 +14,7 @@ $XgoInstallSrc = mkdir -Force "${XgoRoot}\install-src"
 
 Remove-Item -Recurse -Force "${XgoInstallSrc}"
 
-$URL = "https://github.com/xhd2015/xgo/releases/download/v1.0.19/install-src.zip"
+$URL = "https://github.com/xhd2015/xgo/releases/download/v1.0.24/install-src.zip"
 $ZipPath = "${XgoBin}\install-src.zip"
 
 # curl.exe is faster than PowerShell 5's 'Invoke-WebRequest'

runtime/core/version.go

@@ -7,8 +7,8 @@ import (
 )
 
 const VERSION = "1.0.24"
-const REVISION = "b70bf6dce3af4317cb6a3b2b18dc30e2b36b8afa+1"
-const NUMBER = 179
+const REVISION = "b0dd1873bc3e5e5464f55c7b01a077712dc4c818+1"
+const NUMBER = 180
 
 // these fields will be filled by compiler
 const XGO_VERSION = ""
@@ -45,7 +45,7 @@ func checkVersion() error {
 	}
 	var updateCmd string
 	if XGO_NUMBER < NUMBER {
-		updateCmd = "xgo update"
+		updateCmd = "xgo upgrade"
 	} else {
 		updateCmd = "go get github.com/xhd2015/xgo/runtime@latest"
 	}

runtime/test/trace_marshal/with_subtests/trace_with_subtests_test.go

@@ -7,7 +7,7 @@ import (
 	"github.com/xhd2015/xgo/runtime/trace"
 )
 
-func TestMarshalWithTrace(t *testing.T) {
+func TestSubTestTraces(t *testing.T) {
 	const N = 10
 	traces := make([]*trace.Root, N)
 	for i := 0; i < 10; i++ {