internal/dl: highlight Windows ARM64 installer

The windows/arm64 port is new to Go 1.17 and one of its key features.
Highlight the Windows ARM64 installer, just like the Windows AMD64
installer is highlighted. (Keep the zip archives and 386 installer
not highlighted.)

For golang/go#36439.

Change-Id: Ib57e80465d0ca090d165e14e3c4afdb2efca0c11
Reviewed-on: https://go-review.googlesource.com/c/website/+/344070
Trust: Dmitri Shuralyov <[email protected]>
Run-TryBot: Dmitri Shuralyov <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Carlos Amedee <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>

Author: MK825

internal/dl/dl.go

@@ -117,7 +117,7 @@ func (f File) Highlight() bool {
 		return true
 	case f.OS == "linux" && f.Arch == "amd64":
 		return true
-	case f.OS == "windows" && f.Kind == "installer" && f.Arch == "amd64":
+	case f.OS == "windows" && f.Kind == "installer" && (f.Arch == "amd64" || f.Arch == "arm64"):
 		return true
 	case f.OS == "darwin" && f.Kind == "installer" && !strings.Contains(f.Filename, "osx10.6"):
 		return true

internal/dl/dl_test.go

@@ -101,17 +101,19 @@ func TestFilesToReleases(t *testing.T) {
 
 func TestHighlightedFiles(t *testing.T) {
 	fs := []File{
-		{Filename: "go1.16beta1.src.tar.gz", Version: "go1.16beta1", OS: "", Arch: "", Kind: "source"},
-		{Filename: "go1.16beta1.linux-386.tar.gz", Version: "go1.16beta1", OS: "linux", Arch: "386", Kind: "archive"},
-		{Filename: "go1.16beta1.linux-amd64.tar.gz", Version: "go1.16beta1", OS: "linux", Arch: "amd64", Kind: "archive"},
-		{Filename: "go1.16beta1.darwin-amd64.tar.gz", Version: "go1.16beta1", OS: "darwin", Arch: "amd64", Kind: "archive"},
-		{Filename: "go1.16beta1.darwin-amd64.pkg", Version: "go1.16beta1", OS: "darwin", Arch: "amd64", Kind: "installer"},
-		{Filename: "go1.16beta1.darwin-arm64.tar.gz", Version: "go1.16beta1", OS: "darwin", Arch: "arm64", Kind: "archive"},
-		{Filename: "go1.16beta1.darwin-arm64.pkg", Version: "go1.16beta1", OS: "darwin", Arch: "arm64", Kind: "installer"},
-		{Filename: "go1.16beta1.windows-386.zip", Version: "go1.16beta1", OS: "windows", Arch: "386", Kind: "archive"},
-		{Filename: "go1.16beta1.windows-386.msi", Version: "go1.16beta1", OS: "windows", Arch: "386", Kind: "installer"},
-		{Filename: "go1.16beta1.windows-amd64.zip", Version: "go1.16beta1", OS: "windows", Arch: "amd64", Kind: "archive"},
-		{Filename: "go1.16beta1.windows-amd64.msi", Version: "go1.16beta1", OS: "windows", Arch: "amd64", Kind: "installer"},
+		{Filename: "go1.17.src.tar.gz", Version: "go1.17", OS: "", Arch: "", Kind: "source"},
+		{Filename: "go1.17.linux-386.tar.gz", Version: "go1.17", OS: "linux", Arch: "386", Kind: "archive"},
+		{Filename: "go1.17.linux-amd64.tar.gz", Version: "go1.17", OS: "linux", Arch: "amd64", Kind: "archive"},
+		{Filename: "go1.17.darwin-amd64.tar.gz", Version: "go1.17", OS: "darwin", Arch: "amd64", Kind: "archive"},
+		{Filename: "go1.17.darwin-amd64.pkg", Version: "go1.17", OS: "darwin", Arch: "amd64", Kind: "installer"},
+		{Filename: "go1.17.darwin-arm64.tar.gz", Version: "go1.17", OS: "darwin", Arch: "arm64", Kind: "archive"},
+		{Filename: "go1.17.darwin-arm64.pkg", Version: "go1.17", OS: "darwin", Arch: "arm64", Kind: "installer"},
+		{Filename: "go1.17.windows-386.zip", Version: "go1.17", OS: "windows", Arch: "386", Kind: "archive"},
+		{Filename: "go1.17.windows-386.msi", Version: "go1.17", OS: "windows", Arch: "386", Kind: "installer"},
+		{Filename: "go1.17.windows-amd64.zip", Version: "go1.17", OS: "windows", Arch: "amd64", Kind: "archive"},
+		{Filename: "go1.17.windows-amd64.msi", Version: "go1.17", OS: "windows", Arch: "amd64", Kind: "installer"},
+		{Filename: "go1.17.windows-arm64.zip", Version: "go1.17", OS: "windows", Arch: "arm64", Kind: "archive"},
+		{Filename: "go1.17.windows-arm64.msi", Version: "go1.17", OS: "windows", Arch: "arm64", Kind: "installer"},
 	}
 	sort.Sort(fileOrder(fs))
 	var highlighted []string
@@ -123,11 +125,12 @@ func TestHighlightedFiles(t *testing.T) {
 	}
 	got := strings.Join(highlighted, "\n")
 	want := strings.Join([]string{
-		"go1.16beta1.src.tar.gz",
-		"go1.16beta1.darwin-amd64.pkg",
-		"go1.16beta1.darwin-arm64.pkg",
-		"go1.16beta1.linux-amd64.tar.gz",
-		"go1.16beta1.windows-amd64.msi",
+		"go1.17.src.tar.gz",
+		"go1.17.darwin-amd64.pkg",
+		"go1.17.darwin-arm64.pkg",
+		"go1.17.linux-amd64.tar.gz",
+		"go1.17.windows-amd64.msi",
+		"go1.17.windows-arm64.msi",
 	}, "\n")
 	if got != want {
 		t.Errorf("highlighted files:\n%s\nwant:\n%s", got, want)