add(cli): cli interface for push, pull and version

cmd/root.go

@@ -0,0 +1,38 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	dry_run bool
+	rootCmd = &cobra.Command{
+		Use:   "gitw",
+		Short: "Git issue and milestone integration for taskwarrior",
+		Long: `Gitwarrior is a CLI tool to extend the taskwarrior tasks to synch issues and milestones.
+Gitwarrior requires requires the following uda's to be defined: last_gitw_update(date), git_number(number), git_type(string), git_comment_ids(string).`,
+	}
+)
+
+func Execute() error {
+	return rootCmd.Execute()
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+}
+
+func initConfig() {
+	viper.SetConfigName("config")
+	viper.SetConfigType("yaml")
+	viper.AddConfigPath("$HOME/.config/gitw")
+	viper.AutomaticEnv()
+	if err := viper.ReadInConfig(); err != nil {
+		fmt.Fprintf(os.Stderr, "Failed to read configuration file: %s\n", err)
+		os.Exit(-1)
+	}
+}