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package main
import (
"errors"
"path/filepath"
"regexp"
"runtime"
)
// ValidateVersion checks if version is of the form "MAJOR.MINOR.PATCH". That
// is, a simple semver format without "v" prefix, pre-release or build suffixes.
func ValidateVersion(version string) error {
if !versionrx.MatchString(version) {
return errors.New("version must be of the form MAJOR.MINOR.PATCH")
}
return nil
}
var versionrx = regexp.MustCompile(`^\d+\.\d+\.\d+$`)
// RepoPath returns a full file path given a path relative to the repository
// root. Returns empty string if it cannot be determined.
func RepoPath(rel string) string {
_, self, _, ok := runtime.Caller(0)
if !ok {
return ""
}
path := filepath.Join(filepath.Dir(self), "../../..", rel)
return filepath.Clean(path)
}
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