build: fix semver validation

build/gen.go

@@ -75,26 +75,19 @@ func getGitMeta() (meta gitMeta, _ error) {
  return
 }
 
-func validSemVer(tag string) error {
+func validSemVer(tag string) bool {
  if len(tag) == 0 || tag[0] != 'v' {
- return errors.New("semver must start with 'v'")
+ return false
  }
 
- var major, minor, patch int
- _, err := fmt.Sscanf(tag, "v%d.%d.%d", &major, minor, patch)
+ var major, minor, patch uint8
+ _, err := fmt.Sscanf(tag, "v%d.%d.%d", &major, &minor, &patch)
  if err != nil {
- return fmt.Errorf("failed to parse semver: %w", err)
+ return false
+ } else if major == 0 && minor == 0 && patch == 0 {
+ return false
  }
-
- switch {
- case major <= 0:
- return errors.New("major version must be greater than 0")
- case minor <= 0:
- return errors.New("minor version must be greater than 0")
- case patch <= 0:
- return errors.New("patch version must be greater than 0")
- }
- return nil
+ return true
 }
 
 func main() {
@@ -105,7 +98,7 @@ func main() {
 
  commit := meta.ShortCommit
  version := meta.Tag
- if err := validSemVer(meta.Tag); err != nil {
+ if !validSemVer(meta.Tag) {
  // no version, use commit and current time for development
  version = commit
  meta.Timestamp = gitTime(time.Now())