mirror of https://github.com/docker/cli.git
36 lines
778 B
Go
36 lines
778 B
Go
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package source
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import (
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"runtime"
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"strconv"
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"strings"
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)
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// GoVersionLessThan returns true if runtime.Version() is semantically less than
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// version major.minor. Returns false if a release version can not be parsed from
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// runtime.Version().
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func GoVersionLessThan(major, minor int64) bool {
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version := runtime.Version()
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// not a release version
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if !strings.HasPrefix(version, "go") {
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return false
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}
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version = strings.TrimPrefix(version, "go")
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parts := strings.Split(version, ".")
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if len(parts) < 2 {
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return false
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}
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rMajor, err := strconv.ParseInt(parts[0], 10, 32)
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if err != nil {
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return false
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}
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if rMajor != major {
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return rMajor < major
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}
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rMinor, err := strconv.ParseInt(parts[1], 10, 32)
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if err != nil {
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return false
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}
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return rMinor < minor
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}
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