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88af8852db
Added some tests to verify that files extractions works with different compression format. Created a decompressor interface with 2 main methods: reader(): returns an io.Reader for the specific compression algorithm copy(): extracts the compressed file into the file provided as param Created 5 decompressor types: - gzip: extract gzip files - xz: extract xz files - zip: extract zip files - generic: extract any other file using github.com/containers/image/v5/pkg/compression - uncompressed: only do a copy of the file Minor fix to the progress bar instances: added a call to bar.Abort(false) that happens before Progress.Wait() to avoid that it hangs when a bar is not set as completed although extraction is done. Signed-off-by: Mario Loriedo <mario.loriedo@gmail.com>
46 lines
939 B
Go
46 lines
939 B
Go
package compression
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import (
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"io"
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"os"
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crcOs "github.com/crc-org/crc/v2/pkg/os"
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"github.com/sirupsen/logrus"
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)
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type uncompressedDecompressor struct {
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compressedFilePath string
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compressedFile *os.File
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}
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func newUncompressedDecompressor(compressedFilePath string) decompressor {
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return &uncompressedDecompressor{
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compressedFilePath: compressedFilePath,
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}
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}
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func (d *uncompressedDecompressor) srcFilePath() string {
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return d.compressedFilePath
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}
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func (d *uncompressedDecompressor) reader() (io.Reader, error) {
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srcFile, err := os.Open(d.compressedFilePath)
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if err != nil {
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return nil, err
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}
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d.compressedFile = srcFile
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return srcFile, nil
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}
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func (*uncompressedDecompressor) copy(w *os.File, r io.Reader) error {
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_, err := crcOs.CopySparse(w, r)
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return err
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}
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func (d *uncompressedDecompressor) close() {
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if err := d.compressedFile.Close(); err != nil {
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logrus.Errorf("Unable to close gz file: %q", err)
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}
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}
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