INNER CODE UNIT · Go

downloadArchive

matrix-org/dendrite · cmd/dendrite-upgrade-tests/main.go:150

func downloadArchive(cli *http.Client, tmpDir, archiveURL string, dockerfile []byte) (*bytes.Buffer, error) {
	resp, err := cli.Get(archiveURL)
	if err != nil {
		return nil, err
	}
	// nolint:errcheck
	defer resp.Body.Close()
	if resp.StatusCode != 200 {
		return nil, fmt.Errorf("got HTTP %d", resp.StatusCode)
	}
	_ = os.RemoveAll(tmpDir)
	if err = os.Mkdir(tmpDir, os.ModePerm); err != nil {
		return nil, fmt.Errorf("failed to make temporary directory: %s", err)
	}
	// nolint:errcheck
	defer os.RemoveAll(tmpDir)
	// dump the tarball temporarily, stripping the top-level directory
	err = extract.Archive(context.Background(), resp.Body, tmpDir, func(inPath string) string {

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