initial commit

cmd/root.go

@@ -0,0 +1,49 @@
+package cmd
+
+import (
+	"fmt"
+	"io"
+	"log"
+)
+
+func Die(err error) int {
+	log.Fatal("Error: ", err.Error())
+
+	return 1
+}
+
+func Execute(output io.Writer) int {
+	conf, err := InitConfig(output)
+	if err != nil {
+		return Die(err)
+	}
+
+	if conf.Showversion {
+		_, err := fmt.Fprintf(output, "This is epuppy version %s\n", Version)
+		if err != nil {
+			return Die(fmt.Errorf("failed to print to output: %s", err))
+		}
+
+		return 0
+	}
+
+	if conf.StoreProgress {
+		progress, err := GetProgress(conf)
+		if err == nil {
+			conf.InitialProgress = int(progress)
+		}
+	}
+
+	progress, err := View(conf)
+	if err != nil {
+		return Die(err)
+	}
+
+	if conf.StoreProgress {
+		if err := StoreProgress(conf, progress); err != nil {
+			return Die(err)
+		}
+	}
+
+	return 0
+}