func downloadArchivedFileWithChecksum(url string, archivedFile string, destPath string) {
archiveName := path.Base(url)
tmpPath := filepath.Join(dvmDir, ".tmp", archiveName)
downloadFileWithChecksum(url, tmpPath)
// Extract the archive
archivePath := filepath.Join(dvmDir, ".tmp", strings.TrimSuffix(archiveName, filepath.Ext(archiveName)))
extractor := extractor.NewDetectable()
extractor.Extract(tmpPath, archivePath)
// Copy the archived file to the final destination
archivedFilePath := filepath.Join(archivePath, archivedFile)
ensureParentDirectoryExists(destPath)
err := os.Rename(archivedFilePath, destPath)
if err != nil {
die("Unable to copy %s to %s.", err, retCodeRuntimeError, archivedFilePath, destPath)
}
// Cleanup temp files
if err = os.Remove(tmpPath); err != nil {
writeWarning("Unable to remove temporary file: %s\n%s", tmpPath, err)
}
if err = os.RemoveAll(archivePath); err != nil {
writeWarning("Unable to remove temporary directory: %s\n%s", archivePath, err)
}
}
func (a *Artifact) Extract() error {
extractor := extractor.NewDetectable()
dir := a.Dir("extracted")
err := os.RemoveAll(dir)
if err != nil {
return err
}
os.MkdirAll(dir, 0775)
apath, err := filepath.Abs(a.Path())
if err != nil {
return err
}
lg.V(5).Infof("extracting %s into %s", apath, dir)
return extractor.Extract(apath, dir)
}