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51 lines
954 B
Go
51 lines
954 B
Go
package testutil
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import (
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"archive/tar"
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"bytes"
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"compress/gzip"
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"io"
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"github.com/pkg/errors"
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)
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type TarItem struct {
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Header *tar.Header
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Data []byte
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}
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func ReadTarToMap(dt []byte, compressed bool) (map[string]*TarItem, error) {
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m := map[string]*TarItem{}
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var r io.Reader = bytes.NewBuffer(dt)
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if compressed {
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gz, err := gzip.NewReader(r)
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if err != nil {
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return nil, errors.Wrapf(err, "error creating gzip reader")
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}
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defer gz.Close()
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r = gz
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}
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tr := tar.NewReader(r)
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for {
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h, err := tr.Next()
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if err != nil {
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if err == io.EOF {
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return m, nil
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}
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return nil, errors.Wrap(err, "error reading tar")
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}
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if _, ok := m[h.Name]; ok {
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return nil, errors.Errorf("duplicate entries for %s", h.Name)
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}
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var dt []byte
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if h.Typeflag == tar.TypeReg {
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dt, err = io.ReadAll(tr)
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if err != nil {
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return nil, errors.Wrapf(err, "error reading file")
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}
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}
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m[h.Name] = &TarItem{Header: h, Data: dt}
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}
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}
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