36 lines
707 B
Go
36 lines
707 B
Go
package updates
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import (
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"fmt"
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"strings"
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"golang.org/x/mod/semver"
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)
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func NormalizeVersion(version string) (string, error) {
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trimmed := strings.TrimSpace(version)
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if trimmed == "" {
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return "", ErrInvalidVersion
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}
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if !strings.HasPrefix(trimmed, "v") {
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trimmed = "v" + trimmed
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}
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if !semver.IsValid(trimmed) {
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return "", fmt.Errorf("%w: %s", ErrInvalidVersion, version)
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}
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return trimmed, nil
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}
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func CompareVersions(left string, right string) (int, error) {
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normalizedLeft, err := NormalizeVersion(left)
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if err != nil {
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return 0, err
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}
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normalizedRight, err := NormalizeVersion(right)
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if err != nil {
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return 0, err
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}
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return semver.Compare(normalizedLeft, normalizedRight), nil
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}
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