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21 changes: 17 additions & 4 deletions example/simpleDemo/engineDownloader.go
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"archive/zip"
"bufio"
"encoding/json"
"flag"
"fmt"
"io"
"io/ioutil"
Expand Down Expand Up @@ -202,6 +203,18 @@ func downloadFile(filepath string, url string) error {
}

func main() {
// Support flag
chinaPtr := flag.Bool("china", false, "Whether or not installation is in China")
flag.Parse()
var targetedDomain = ""

// If flag china is passse, targeted domain is changed (China partially blocking google)
if *chinaPtr {
targetedDomain = "https://storage.flutter-io.cn"
} else {
targetedDomain = "https://storage.googleapis.com"
}

// Execute flutter command to retrieve the version
out, err := exec.Command("flutter", "--version").Output()
if err != nil {
Expand Down Expand Up @@ -260,24 +273,24 @@ func main() {
switch runtime.GOOS {
case "darwin":
platform = "darwin-x64"
downloadShareLibraryURL = fmt.Sprintf("https://storage.googleapis.com/flutter_infra/flutter/%s/%s/FlutterEmbedder.framework.zip", hashResponse.Items[0].Sha, platform)
downloadShareLibraryURL = fmt.Sprintf(targetedDomain+"/flutter_infra/flutter/%s/%s/FlutterEmbedder.framework.zip", hashResponse.Items[0].Sha, platform)
endMessage = "export CGO_LDFLAGS=\"-F${PWD} -Wl,-rpath,@executable_path\""

case "linux":
platform = "linux-x64"
downloadShareLibraryURL = fmt.Sprintf("https://storage.googleapis.com/flutter_infra/flutter/%s/%s/%s-embedder", hashResponse.Items[0].Sha, platform, platform)
downloadShareLibraryURL = fmt.Sprintf(targetedDomain+"/flutter_infra/flutter/%s/%s/%s-embedder", hashResponse.Items[0].Sha, platform, platform)
endMessage = "export CGO_LDFLAGS=\"-L${PWD}\""

case "windows":
platform = "windows-x64"
downloadShareLibraryURL = fmt.Sprintf("https://storage.googleapis.com/flutter_infra/flutter/%s/%s/%s-embedder.zip", hashResponse.Items[0].Sha, platform, platform)
downloadShareLibraryURL = fmt.Sprintf(targetedDomain+"/flutter_infra/flutter/%s/%s/%s-embedder", hashResponse.Items[0].Sha, platform, platform)
endMessage = "set CGO_LDFLAGS=-L%cd%"

default:
log.Fatal("OS not supported")
}

downloadIcudtlURL := fmt.Sprintf("https://storage.googleapis.com/flutter_infra/flutter/%s/%s/artifacts.zip", hashResponse.Items[0].Sha, platform)
downloadIcudtlURL := fmt.Sprintf(targetedDomain+"/flutter_infra/flutter/%s/%s/artifacts.zip", hashResponse.Items[0].Sha, platform)

err3 := downloadFile(dir+"/.build/temp.zip", downloadShareLibraryURL)
if err3 != nil {
Expand Down