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package raw
import (
"context"
"errors"
"io"
"os"
"gitlab.com/gitlab-org/gitlab-runner/commands/helpers/archive"
)
func init() {
archive.Register(archive.Raw, NewArchiver, nil)
}
// ErrTooManyRawFiles is returned if more than one file is passed to the
// RawArchiver.
var ErrTooManyRawFiles = errors.New("only one file can be sent as raw")
// archiver is a raw archiver. It doesn't support compression nor multiple
// files.
type archiver struct {
w io.Writer
dir string
}
// NewArchiver returns a new Raw Archiver.
func NewArchiver(w io.Writer, dir string, level archive.CompressionLevel) (archive.Archiver, error) {
return &archiver{w: w, dir: dir}, nil
}
// Archive opens and copies a single file to the writer passed to
// NewRawArchiver. If more than one file is passed, ErrTooManyRawFiles is
// returned.
func (a *archiver) Archive(ctx context.Context, files map[string]os.FileInfo) error {
if len(files) > 1 {
return ErrTooManyRawFiles
}
for pathname := range files {
f, err := os.Open(pathname)
if err != nil {
return err
}
defer f.Close()
_, err = io.Copy(a.w, f)
return err
}
return nil
}
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