Add hint when config is malformed

Author: ChappIO

cmd/git-backup/main.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"time"
 )
 
 var configFilePath = flag.String("config.file", "git-backup.yml", "The path to your config file.")
@@ -15,7 +16,14 @@ func main() {
 	flag.Parse()
 
 	config := loadConfig()
-	for _, source := range config.GetSources() {
+	sources := config.GetSources()
+	if len(sources) == 0 {
+		log.Printf("Found a config file at [%s] but detected no sources. Are you sure the file is properly formed?", *configFilePath)
+		os.Exit(111)
+	}
+	repoCount := 0
+	backupStart := time.Now()
+	for _, source := range sources {
 		sourceName := source.GetName()
 		log.Printf("=== %s ===", sourceName)
 		if err := source.Test(); err != nil {
@@ -41,7 +49,9 @@ func main() {
 				os.Exit(100)
 			}
 		}
+		repoCount++
 	}
+	log.Printf("Backed up %d repositories in %s", repoCount, time.Now().Sub(backupStart))
 }
 
 func loadConfig() gitbackup.Config {

config.go

@@ -1,7 +1,7 @@
 package git_backup
 
 import (
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 	"io"
 	"os"
 )
@@ -54,7 +54,7 @@ func LoadFile(path string) (out Config, err error) {
 
 func LoadReader(reader io.Reader) (out Config, err error) {
 	dec := yaml.NewDecoder(reader)
-	dec.SetStrict(true)
+	dec.KnownFields(true)
 	err = dec.Decode(&out)
 	out.setDefaults()
 	return

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/google/go-github/v43 v43.0.0
 	github.com/xanzy/go-gitlab v0.60.0
 	golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c
-	gopkg.in/yaml.v2 v2.4.0
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c
 )
 
 require (
@@ -34,4 +34,5 @@ require (
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 )