chore: Some minor refactoring + miscellaneous fixes

cmd/bump.go

@@ -18,7 +18,7 @@ var bumpCmd = &cobra.Command{
 	Long: `Bumps the specified version number with the specified version level.
 Can also be used to bump multiple levels with the --number flag`,
 	RunE: func(cmd *cobra.Command, args []string) (err error) {
-		version, err := semver.Bump(args[0], versionLevel, numberOfVersions)
+		version, err := semver.Bump(args[0], versionLevel, count)
 		if err != nil {
 			zap.L().Error(err.Error())
 			return err

cmd/latest.go

@@ -28,7 +28,7 @@ If a different version level is specified, this command will return the latest n
 			if err != nil {
 				return err
 			}
-			versions := semver.Select(tags, numberOfVersions, versionLevel)
+			versions := semver.Select(tags, count, versionLevel)
 			for _, version := range versions {
 				fmt.Println(version)
 			}

cmd/root.go

@@ -12,7 +12,7 @@ import (
 )
 
 var (
-	numberOfVersions    int
+	count               int
 	major, minor, patch bool
 	versionLevel        string
 	useSemver           bool
@@ -34,12 +34,14 @@ func Execute() {
 }
 
 func init() {
-	rootCmd.PersistentFlags().IntVarP(&numberOfVersions, "count", "c", 1, "Number of versions")
+	rootCmd.PersistentFlags().IntVarP(&count, "count", "c", 1, "Number of versions")
 	rootCmd.PersistentFlags().BoolVarP(&major, "major", "M", false, "Set version level to major")
 	rootCmd.PersistentFlags().BoolVarP(&minor, "minor", "m", false, "Set version level to minor")
 	rootCmd.PersistentFlags().BoolVarP(&patch, "patch", "p", true, "Set version level to patch")
 	rootCmd.MarkFlagsMutuallyExclusive("major", "minor", "patch")
+	rootCmd.MarkFlagsOneRequired("major", "minor", "patch")
 	rootCmd.PersistentFlags().BoolVarP(&useSemver, "semver", "S", true, "Use semver as the versioning type")
+	rootCmd.MarkFlagsOneRequired("semver")
 }
 
 func setVersionLevel(_ *cobra.Command, _ []string) {
@@ -56,6 +58,6 @@ func setVersionLevel(_ *cobra.Command, _ []string) {
 
 	zap.L().Debug("Starting...",
 		zap.String("version level", versionLevel),
-		zap.Int("number of versions", numberOfVersions),
+		zap.Int("number of versions", count),
 	)
 }

main.go

@@ -25,10 +25,7 @@ func init() {
 	logger := createLogger()
 
 	defer func(logger *zap.Logger) {
-		err := logger.Sync()
-		if err != nil {
-			panic(err)
-		}
+		_ = logger.Sync()
 	}(logger)
 
 	zap.ReplaceGlobals(logger)

pkg/versioning/semver/bump.go

@@ -8,13 +8,13 @@ import (
 	"go.uber.org/zap"
 )
 
-func Bump(versionNumber string, versionLevel string, numberOfVersions int) (version *semver.Version, err error) {
+func Bump(versionNumber string, versionLevel string, count int) (version *semver.Version, err error) {
 	version, err = parse(versionNumber)
 	if err != nil {
 		zap.L().Error("Error while parsing version", zap.String("versionNumber", versionNumber))
 		return nil, err
 	}
-	for i := 0; i < numberOfVersions; i++ {
+	for i := 0; i < count; i++ {
 		version = bumpVersion(versionLevel, version)
 	}
 	return version, nil

pkg/versioning/semver/select.go

@@ -11,7 +11,7 @@ import (
 	"go.uber.org/zap"
 )
 
-func Select(tags []string, numberOfVersions int, versionLevel string) (selectedVersions []*semver.Version) {
+func Select(tags []string, count int, versionLevel string) (selectedVersions []*semver.Version) {
 	versions := semverSort(tags)
 
 	versionMap := make(map[string]*semver.Version)
@@ -24,7 +24,7 @@ func Select(tags []string, numberOfVersions int, versionLevel string) (selectedV
 		if _, exists := versionMap[key]; !exists {
 			versionMap[key] = version
 			selectedVersions = append(selectedVersions, version)
-			if len(selectedVersions) == numberOfVersions {
+			if len(selectedVersions) == count {
 				break
 			}
 		}