moby--moby/vendor/gotest.tools/v3/internal/source/version.go

36 lines
778 B
Go

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