feat: add option to specify config path

Author: soohoowoohoo

cmd/semantic-release/main.go

@@ -49,13 +49,16 @@ func main() {
 		Version: SRVERSION,
 	}
 
-	err := config.InitConfig(cmd)
-	if err != nil {
-		fmt.Printf("\nConfig error: %s\n", err.Error())
-		os.Exit(1)
-		return
-	}
-	err = cmd.Execute()
+	config.SetFlags(cmd)
+	cobra.OnInitialize(func() {
+		err := config.InitConfig(cmd)
+		if err != nil {
+			fmt.Printf("\nConfig error: %s\n", err.Error())
+			os.Exit(1)
+			return
+		}
+	})
+	err := cmd.Execute()
 	if err != nil {
 		fmt.Printf("\n%s\n", err.Error())
 		os.Exit(1)

pkg/config/config.go

@@ -154,7 +154,7 @@ func defaultProvider() string {
 	return "github"
 }
 
-func InitConfig(cmd *cobra.Command) error {
+func SetFlags(cmd *cobra.Command) {
 	cmd.Flags().StringP("token", "t", "", "provider token")
 	cmd.Flags().String("provider", defaultProvider(), "provider plugin name")
 	cmd.Flags().StringArray("provider-opt", []string{}, "options that are passed to the provider plugin")
@@ -183,12 +183,9 @@ func InitConfig(cmd *cobra.Command) error {
 	cmd.Flags().Bool("prepend-changelog", false, "if the changelog file already exist the new changelog is prepended")
 	cmd.Flags().Bool("download-plugins", false, "downloads all required plugins if needed")
 	cmd.Flags().Bool("show-progress", false, "shows the plugin download progress")
+	cmd.Flags().String("config", "", "config file (default is .semrelrc)")
 	cmd.Flags().SortFlags = true
 
-	viper.AddConfigPath(".")
-	viper.SetConfigName(".semrelrc")
-	viper.SetConfigType("json")
-
 	must(viper.BindPFlag("maintainedVersion", cmd.Flags().Lookup("maintained-version")))
 	must(viper.BindEnv("maintainedVersion", "MAINTAINED_VERSION"))
 
@@ -198,6 +195,17 @@ func InitConfig(cmd *cobra.Command) error {
 	must(viper.BindPFlag("plugins.changelog-generator.name", cmd.Flags().Lookup("changelog-generator")))
 	must(viper.BindPFlag("plugins.files-updater.names", cmd.Flags().Lookup("files-updater")))
 	must(viper.BindPFlag("plugins.hooks.names", cmd.Flags().Lookup("hooks")))
+}
+
+func InitConfig(cmd *cobra.Command) error {
+	cfgFile := mustGetString(cmd, "config")
+	if cfgFile != "" {
+		viper.SetConfigFile(cfgFile)
+	} else {
+		viper.AddConfigPath(".")
+		viper.SetConfigName(".semrelrc")
+	}
+	viper.SetConfigType("json")
 
 	if err := viper.ReadInConfig(); err != nil {
 		if _, ok := err.(viper.ConfigFileNotFoundError); !ok {