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Fix create archive to a continuous writing source file failed #388

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merged 2 commits into from
Dec 13, 2023
Merged

Fix create archive to a continuous writing source file failed #388

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85ad2b9
Fix create archive to a continuous writing source file failed
halfcrazy Sep 20, 2023
9898b73
Update archiver.go
mholt Dec 13, 2023
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10 changes: 8 additions & 2 deletions archiver.go
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Original file line number Diff line number Diff line change
Expand Up @@ -221,8 +221,14 @@ func openAndCopyFile(file File, w io.Writer) error {
return err
}
defer fileReader.Close()
_, err = io.Copy(w, fileReader)
return err
// When file is in use and size is being written to, creating the compressed
// file will fail with "archive/tar: write too long." Using CopyN gracefully
// handles this.
_, err = io.CopyN(w, fileReader, file.Size())
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if err != nil && err != io.EOF {
return err
}
return nil
}

// fileIsIncluded returns true if filename is included according to
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