Allow user to add and remove config item

app/cmd/config.go

@@ -134,6 +134,50 @@ func findJenkinsByName(name string) (jenkinsServer *JenkinsServer) {
 	return
 }
 
+func addJenkins(jenkinsServer JenkinsServer) (err error) {
+	jenkinsName := jenkinsServer.Name
+	if jenkinsName == "" {
+		err = fmt.Errorf("Name cannot be empty")
+		return
+	}
+
+	if findJenkinsByName(jenkinsName) != nil {
+		err = fmt.Errorf("Jenkins %s is existed", jenkinsName)
+		return
+	}
+
+	config.JenkinsServers = append(config.JenkinsServers, jenkinsServer)
+	err = saveConfig()
+	return
+}
+
+func removeJenkins(name string) (err error) {
+	current := getCurrentJenkins()
+	if name == current.Name {
+		err = fmt.Errorf("You cannot remove current Jenkins")
+	}
+
+	index := -1
+	config := getConfig()
+	for i, jenkins := range config.JenkinsServers {
+		if name == jenkins.Name {
+			index = i
+			break
+		}
+	}
+
+	if index == -1 {
+		err = fmt.Errorf("Cannot found by name %s", name)
+	} else {
+		config.JenkinsServers[index] = config.JenkinsServers[len(config.JenkinsServers)-1]
+		config.JenkinsServers[len(config.JenkinsServers)-1] = JenkinsServer{}
+		config.JenkinsServers = config.JenkinsServers[:len(config.JenkinsServers)-1]
+
+		err = saveConfig()
+	}
+	return
+}
+
 func loadDefaultConfig() {
 	userHome := userHomeDir()
 	if err := loadConfig(fmt.Sprintf("%s/.jenkins-cli.yaml", userHome)); err != nil {

app/cmd/config_add.go

+package cmd
+
+import (
+	"log"
+
+	"github.com/spf13/cobra"
+)
+
+type ConfigAddOptions struct {
+	JenkinsServer
+}
+
+var configAddOptions ConfigAddOptions
+
+func init() {
+	configCmd.AddCommand(configAddCmd)
+	configAddCmd.PersistentFlags().StringVarP(&configAddOptions.Name, "name", "n", "", "Name of the Jenkins")
+	configAddCmd.PersistentFlags().StringVarP(&configAddOptions.URL, "url", "", "", "URL of the Jenkins")
+	configAddCmd.PersistentFlags().StringVarP(&configAddOptions.UserName, "username", "u", "", "UserName of the Jenkins")
+	configAddCmd.PersistentFlags().StringVarP(&configAddOptions.Token, "token", "t", "", "Token of the Jenkins")
+	configAddCmd.PersistentFlags().StringVarP(&configAddOptions.Proxy, "proxy", "p", "", "Proxy of the Jenkins")
+	configAddCmd.PersistentFlags().StringVarP(&configAddOptions.ProxyAuth, "proxyAuth", "a", "", "ProxyAuth of the Jenkins")
+}
+
+var configAddCmd = &cobra.Command{
+	Use:   "add",
+	Short: "Add a Jenkins config",
+	Long:  `Add a Jenkins config`,
+	Run: func(cmd *cobra.Command, args []string) {
+		if err := addJenkins(configAddOptions.JenkinsServer); err != nil {
+			log.Fatal(err)
+		}
+	},
+}

app/cmd/config_remove.go

+package cmd
+
+import (
+	"log"
+
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	configCmd.AddCommand(configRemoveCmd)
+}
+
+var configRemoveCmd = &cobra.Command{
+	Use:   "remove",
+	Short: "Remove a Jenkins config",
+	Long:  `Remove a Jenkins config`,
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) == 0 {
+			log.Fatal("You need to give a name")
+		}
+
+		target := args[0]
+		if err := removeJenkins(target); err != nil {
+			log.Fatal(err)
+		}
+	},
+}