24 lines
386 B
Go
24 lines
386 B
Go
package remote
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import (
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"errors"
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"strings"
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)
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var (
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ErrNoScheme = errors.New("no scheme")
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ErrEmptyURL = errors.New("URL cannot be empty")
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)
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// schemeFromURL returns the scheme from a URL string
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func schemeFromURL(url string) (string, error) {
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if url == "" {
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return "", ErrEmptyURL
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}
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i := strings.Index(url, ":")
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if i < 1 {
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return "", ErrNoScheme
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}
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return url[:i], nil
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}
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