fix: show a message when there are no data

/spend 30m

Makefile

@@ -1,10 +1,15 @@
 .DEFAULT_GOAL := build
 
+VERSION=$(shell git describe --tags)
+
 run:
 	go run main.go
 
+sum:
+	go run main.go sum
+
 build: $(shell find . -name \*.go)
-	go build -o build/gitime main.go
+	go build -o build/gitime .
 
 test:
 	go test gitime/*.go

cmd/root.go

@@ -25,7 +25,8 @@ func Execute() error {
 func init() {
 	cobra.OnInitialize(initConfig)
 
-	rootCmd.PersistentFlags().StringVar(&configFileFlag, "config", "", "config file (default is $HOME/.gitime.yaml)")
+	// Might use some config at some point for things like DaysInOneWeek
+	//rootCmd.PersistentFlags().StringVar(&configFileFlag, "config", "", "config file (default is $HOME/.gitime.yaml)")
 
 	// Snippets
 	//rootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "author name for copyright attribution")

cmd/sum.go

@@ -3,10 +3,9 @@ package cmd
 import (
 	"fmt"
 	"github.com/goutte/gitime/gitime"
+	"github.com/spf13/cobra"
 	"github.com/tsuyoshiwada/go-gitlog"
 	"log"
-
-	"github.com/spf13/cobra"
 )
 
 var (
@@ -38,6 +37,9 @@ func formatTimeSpent(ts *gitime.TimeSpent) string {
 	} else {
 		out = ts.String()
 	}
+	if out == "" {
+		out = "No time-tracking directives /spend or /spent found in commits."
+	}
 	return out
 }