Create and index gogs repos from da CLI.

cmd/root.go

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+// Copyright © 2016 NAME HERE <EMAIL ADDRESS>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var cfgFile string
+var apiURL string
+
+// RootCmd represents the base command when called without any subcommands
+var RootCmd = &cobra.Command{
+	Use:   "gogs",
+	Short: "Connect to the Gogs API.",
+	Long: `Welcome to the Gogs CLI.
+
+You'll probably want a token for interacting with private data. 
+Visit your profile settings on Gogs and create a token, then stick it into
+$HOME/.gogs-cli.yaml. While you're there you can adjust the default to your liking, too.`,
+	// Uncomment the following line if your bare application
+	// has an action associated with it:
+	Run: func(cmd *cobra.Command, args []string) {
+		token := viper.GetString("token")
+		if token != "" {
+			fmt.Println("Token authentication enabled.")
+		} else {
+			fmt.Println("No token found.")
+		}
+
+		url := viper.GetString("api_url")
+		if url != "" {
+			fmt.Println("Using API url @ ", url)
+		} else {
+			fmt.Println("No API url coming through... uh oh.")
+		}
+	},
+}
+
+// Execute adds all child commands to the root command sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	if err := RootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(-1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	// Here you will define your flags and configuration settings.
+	// Cobra supports Persistent Flags, which, if defined here,
+	// will be global for your application.
+
+	RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.gogs-cli.yaml)")
+	RootCmd.PersistentFlags().StringVar(&apiURL, "url", "", "api url should include /api/v1 path (default is try.gogs.io/api/v1)")
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	RootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	if cfgFile != "" { // enable ability to specify config file via flag
+		viper.SetConfigFile(cfgFile)
+	}
+
+	viper.SetConfigName(".gogs-cli") // name of config file (without extension)
+	viper.AddConfigPath("$HOME")     // adding home directory as first search path
+	viper.AutomaticEnv()             // read in environment variables that match
+	viper.SetDefault("api_url", "try.gogs.io/api/v1")
+
+	// If a config file is found, read it in.
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Println("Using config file:", viper.ConfigFileUsed())
+	} else {
+		fmt.Println("No configuration file found.")
+	}
+
+	// if api_url was flagged, set it to that (override cfg)
+	if apiURL != "" {
+		viper.Set("api_url", apiURL)
+	}
+
+}