func (app *App) installPackage(
packageName string,
settings config.Settings,
progressCallback caravel.RetrievalProgressCallback) (err error) {
remoteDescriptor := app.GetRemoteDescriptor()
packageURL, err := remoteDescriptor.GetRemoteFileURL(packageName)
if err != nil {
return err
}
log.Debug("Creating package temp file...")
packageTempFile, err := ioutil.TempFile(os.TempDir(), packageName)
if err != nil {
return err
}
packageTempFilePath := packageTempFile.Name()
log.Debug("Package temp file created '%v'", packageTempFilePath)
defer func() {
packageTempFile.Close()
log.Debug("Deleting package temp file: '%v'", packageTempFilePath)
tempFileRemovalErr := os.Remove(packageTempFilePath)
if tempFileRemovalErr != nil {
log.Warning("Could not remove the package temp file! '%v'", tempFileRemovalErr)
} else {
log.Notice("Package temp file removed")
}
}()
log.Info("Retrieving package: %v", packageURL)
err = caravel.RetrieveChunksFromURL(packageURL, packageTempFile, settings.GetBufferSize(), progressCallback)
if err != nil {
return err
}
log.Notice("Package retrieved")
log.Debug("Closing the package temp file...")
packageTempFile.Close()
if err != nil {
return err
}
log.Notice("Package temp file closed")
err = os.MkdirAll(app.filesDirectory, 0700)
if err != nil {
return err
}
log.Info("Extracting the package. Skipping levels: %v...", remoteDescriptor.GetSkipPackageLevels())
err = caravel.ExtractZipSkipLevels(packageTempFilePath, app.filesDirectory, remoteDescriptor.GetSkipPackageLevels())
if err != nil {
return err
}
log.Notice("Package extracted")
return nil
}
