23 lines
631 B
Go
23 lines
631 B
Go
// +build !windows
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package dockerfile // import "github.com/docker/docker/builder/dockerfile"
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import (
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"errors"
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"os"
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"path/filepath"
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)
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// normalizeWorkdir normalizes a user requested working directory in a
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// platform semantically consistent way.
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func normalizeWorkdir(_ string, current string, requested string) (string, error) {
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if requested == "" {
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return "", errors.New("cannot normalize nothing")
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}
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current = filepath.FromSlash(current)
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requested = filepath.FromSlash(requested)
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if !filepath.IsAbs(requested) {
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return filepath.Join(string(os.PathSeparator), current, requested), nil
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}
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return requested, nil
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}
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