Change from urfave/cli to spf13/cobra. Fixes #89

cmd/root.go

@@ -0,0 +1,50 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	homedir "github.com/mitchellh/go-homedir"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var cfgFile string
+
+var RootCmd = &cobra.Command{
+	Use:   "kala",
+	Short: "Modern job scheduler",
+	Long:  `See https://github.com/ajvb/kala for documentation.`,
+	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+		return viper.BindPFlags(cmd.Flags())
+	},
+}
+
+func init() {
+	cobra.OnInitialize(initViper)
+	RootCmd.PersistentFlags().StringVar(&cfgFile, "kala", "", "config file (default is $HOME/kala.yaml)")
+}
+
+func initViper() {
+	if cfgFile != "" {
+		viper.SetConfigFile(cfgFile)
+	} else {
+		home, err := homedir.Dir()
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+
+		viper.AddConfigPath(home)
+		viper.SetConfigName("kala")
+	}
+
+	viper.SetEnvPrefix("kala")
+	viper.AutomaticEnv()
+	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
+
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Println("Using config file:", viper.ConfigFileUsed())
+	}
+}

cmd/run.go

@@ -0,0 +1,38 @@
+package cmd
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/ajvb/kala/job"
+	"github.com/spf13/cobra"
+)
+
+var runCommandCmd = &cobra.Command{
+	Use:   "run",
+	Short: "run a job",
+	Long:  `runs the specific job immediately and returns the result`,
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) == 0 {
+			log.Fatal("Must include a command")
+		} else if len(args) > 1 {
+			log.Fatal("Must only include a command")
+		}
+
+		j := &job.Job{
+			Command: args[0],
+		}
+
+		out, err := j.RunCmd()
+		if err != nil {
+			log.Fatalf("Command Failed with err: %s", err)
+		} else {
+			fmt.Println("Command Succeeded!")
+			fmt.Println("Output: ", out)
+		}
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(runCommandCmd)
+}