47 lines
1018 B
Go
47 lines
1018 B
Go
package config
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import (
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"os"
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"path/filepath"
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)
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// Filename is the default filename for the Vagrant configuration.
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const Filename = "Vagrantfile"
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// FindPath looks for our configuration file starting at "start" and
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// traversing parent directories until it is found. If it is found, the
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// path is returned. If it is not found, an empty string is returned.
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// Error will be non-nil only if an error occurred.
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//
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// If start is empty, start will be the current working directory. If
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// filename is empty, it will default to the Filename constant.
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func FindPath(start, filename string) (string, error) {
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var err error
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if start == "" {
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start, err = os.Getwd()
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if err != nil {
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return "", err
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}
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}
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if filename == "" {
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filename = Filename
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}
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for {
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path := filepath.Join(start, filename)
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if _, err := os.Stat(path); err == nil {
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return path, nil
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} else if !os.IsNotExist(err) {
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return "", err
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}
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next := filepath.Dir(start)
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if next == start {
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return "", nil
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}
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start = next
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}
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}
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