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main.go
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main.go
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package main
import (
"fmt"
"github.com/bitrise-io/go-steputils/stepconf"
"github.com/bitrise-io/go-utils/command"
"github.com/bitrise-io/go-utils/command/git"
"github.com/bitrise-io/go-utils/fileutil"
"github.com/bitrise-io/go-utils/log"
"github.com/bitrise-io/go-utils/pathutil"
"os"
"path/filepath"
"runtime"
"strings"
)
func main() {
var config Config
if err := stepconf.Parse(&config); err != nil {
log.Errorf("Configuration error: %s\n", err)
os.Exit(7)
}
stepconf.Print(config)
if err := ensureAndroidSdkSetup(); err != nil {
log.Errorf("Could not setup Android SDK, error: %s", err)
os.Exit(6)
}
flutterSdkDir, err := getSdkDestinationDir()
if err != nil {
log.Errorf("Could not calculate Flutter SDK destination directory path, error: %s", err)
os.Exit(5)
}
flutterSdkExists, err := pathutil.IsDirExists(flutterSdkDir)
if err != nil {
log.Errorf("Could not check if Flutter SDK is installed, error: %s", err)
os.Exit(1)
}
if !flutterSdkExists {
log.Infof("Extracting Flutter SDK to %s", flutterSdkDir)
if err := downloadAndExtractReleaseSdk(config.Version, flutterSdkDir); err != nil {
log.Infof("Version %s not found in releases, trying snapshot.", config.Version)
if err := downloadAndExtractSnapshotSdk(config.Version, flutterSdkDir); err != nil {
log.Errorf("Could not extract Flutter SDK, error: %s", err)
os.Exit(2)
}
}
} else {
log.Infof("Flutter SDK directory already exists, skipping installation.")
flutterVersion, err := fileutil.ReadStringFromFile(flutterSdkDir + "/version")
if err != nil {
log.Warnf("Could not determine installed Flutter version, error: %s", err)
} else if flutterVersion != config.Version {
log.Warnf("Already installed Flutter version %s will be used instead of requested version %s ", flutterVersion, config.Version)
}
}
for _, flutterCommand := range config.Commands {
log.Infof("Executing Flutter command: %s", flutterCommand)
flutterExecutablePath := filepath.Join(flutterSdkDir, "bin/flutter")
bashCommand := fmt.Sprintf("%s %s", flutterExecutablePath, flutterCommand)
err := command.RunCommandInDir(config.WorkingDir, "bash", "-c", bashCommand)
if err != nil {
log.Errorf("Flutter invocation failed, error: %s", err)
os.Exit(3)
}
}
}
func downloadAndExtractReleaseSdk(flutterVersion, flutterSdkDestinationDir string) error {
versionComponents := strings.Split(flutterVersion, "-")
channel := versionComponents[len(versionComponents)-1]
flutterSdkSourceURL := getFlutterSdkSourceURL(flutterVersion, channel)
flutterSdkParentDir := filepath.Join(flutterSdkDestinationDir, "..")
if runtime.GOOS == "darwin" {
return command.DownloadAndUnZIP(flutterSdkSourceURL, flutterSdkParentDir)
} else if runtime.GOOS == "linux" {
return downloadAndUnTarXZ(flutterSdkSourceURL, flutterSdkParentDir)
} else {
return fmt.Errorf("unsupported OS: %s", runtime.GOOS)
}
}
func getFlutterSdkSourceURL(flutterVersion string, channel string) string {
return fmt.Sprintf(
"https://storage.googleapis.com/flutter_infra_release/releases/%s/%s/flutter_%s_%s%s-%s.%s",
channel,
getFlutterPlatform(),
getFlutterPlatform(),
getArchitecture(),
flutterVersion,
channel,
getArchiveExtension())
}
func getArchitecture() string {
if runtime.GOARCH == "arm64" {
return "arm64_"
}
return ""
}
func downloadAndExtractSnapshotSdk(flutterVersion, flutterSdkDestinationDir string) error {
flutterVersion = normalizeFlutterVersion(flutterVersion)
gitRepo, err := git.New(flutterSdkDestinationDir)
if err != nil {
return err
}
return gitRepo.CloneTagOrBranch("https://github.com/flutter/flutter.git", flutterVersion).Run()
}