gogio: change -version parameter to accept semver versions

Signed-off-by: Elias Naur <mail@eliasnaur.com>

gogio/build_info.go

@@ -22,7 +22,7 @@ type buildInfo struct {
 	iconPath       string
 	tags           string
 	target         string
-	version        int
+	version        Semver
 	key            string
 	password       string
 	notaryAppleID  string
@@ -30,6 +30,11 @@ type buildInfo struct {
 	notaryTeamID   string
 }
 
+type Semver struct {
+	Major        uint16
+	Minor, Patch uint8
+}
+
 func newBuildInfo(pkgPath string) (*buildInfo, error) {
 	pkgMetadata, err := getPkgMetadata(pkgPath)
 	if err != nil {
@@ -44,6 +49,10 @@ func newBuildInfo(pkgPath string) (*buildInfo, error) {
 	if *name != "" {
 		appName = *name
 	}
+	ver, err := parseSemver(*version)
+	if err != nil {
+		return nil, err
+	}
 	bi := &buildInfo{
 		appID:          appID,
 		archs:          getArchs(),
@@ -55,7 +64,7 @@ func newBuildInfo(pkgPath string) (*buildInfo, error) {
 		iconPath:       appIcon,
 		tags:           *extraTags,
 		target:         *target,
-		version:        *version,
+		version:        ver,
 		key:            *signKey,
 		password:       *signPass,
 		notaryAppleID:  *notaryID,
@@ -65,6 +74,29 @@ func newBuildInfo(pkgPath string) (*buildInfo, error) {
 	return bi, nil
 }
 
+func (s Semver) String() string {
+	return fmt.Sprintf("%d.%d.%d", s.Major, s.Minor, s.Patch)
+}
+
+// Version32 returns a 32-bit integer version packed as such:
+//
+//	major<<16 | minor<<8 | patch
+func (s Semver) Version32() uint32 {
+	return uint32(s.Major)<<16 | uint32(s.Minor)<<8 | uint32(s.Patch)
+}
+
+func parseSemver(v string) (Semver, error) {
+	var sv Semver
+	_, err := fmt.Sscanf(v, "%d.%d.%d", &sv.Major, &sv.Minor, &sv.Patch)
+	if err != nil {
+		return Semver{}, fmt.Errorf("invalid semver: %q", v)
+	}
+	if sv.String() != v {
+		return Semver{}, fmt.Errorf("invalid semver: %q", v)
+	}
+	return sv, nil
+}
+
 func getArchs() []string {
 	if *archNames != "" {
 		return strings.Split(*archNames, ",")