show error and exit with bad code if not found

cmd/backup.go

@@ -1,7 +1,10 @@
 package cmd
 
 import (
+	"fmt"
+
 	"github.com/cupcakearmy/autorestic/internal"
+	"github.com/cupcakearmy/autorestic/internal/colors"
 	"github.com/cupcakearmy/autorestic/internal/lock"
 	"github.com/spf13/cobra"
 )
@@ -18,9 +21,17 @@ var backupCmd = &cobra.Command{
 
 		selected, err := internal.GetAllOrSelected(cmd, false)
 		CheckErr(err)
+		errors := 0
 		for _, name := range selected {
 			location, _ := internal.GetLocation(name)
-			location.Backup(false)
+			err := location.Backup(false)
+			if err != nil {
+				colors.Error.Println(err)
+				errors++
+			}
+		}
+		if errors > 0 {
+			CheckErr(fmt.Errorf("%d errors were found", errors))
 		}
 	},
 }

internal/backend.go

@@ -121,16 +121,20 @@ func (b Backend) Exec(args []string) error {
 	}
 	options := ExecuteOptions{Envs: env}
 	out, err := ExecuteResticCommand(options, args...)
+	if err != nil {
+		colors.Error.Println(out)
+		return err
+	}
 	if VERBOSE {
 		colors.Faint.Println(out)
 	}
-	return err
+	return nil
 }
 
-func (b Backend) ExecDocker(l Location, args []string) error {
+func (b Backend) ExecDocker(l Location, args []string) (string, error) {
 	env, err := b.getEnv()
 	if err != nil {
-		return err
+		return "", err
 	}
 	volume := l.getVolumeName()
 	path, _ := l.getPath()
@@ -157,8 +161,5 @@ func (b Backend) ExecDocker(l Location, args []string) error {
 	}
 	docker = append(docker, "restic/restic", "-c", "restic "+strings.Join(args, " "))
 	out, err := ExecuteCommand(options, docker...)
-	if VERBOSE {
-		colors.Faint.Println(out)
-	}
-	return err
+	return out, err
 }

internal/location.go

@@ -161,16 +161,16 @@ func (l Location) Backup(cron bool) error {
 		switch t {
 		case TypeLocal:
 			out, err = ExecuteResticCommand(backupOptions, cmd...)
-			if VERBOSE {
-				colors.Faint.Println(out)
-			}
 		case TypeVolume:
-			err = backend.ExecDocker(l, cmd)
+			out, err = backend.ExecDocker(l, cmd)
 		}
-
 		if err != nil {
+			colors.Error.Println(out)
 			return err
 		}
+		if VERBOSE {
+			colors.Faint.Println(out)
+		}
 	}
 
 	// After hooks
@@ -271,7 +271,7 @@ func (l Location) Restore(to, from string, force bool) error {
 		}
 		err = backend.Exec([]string{"restore", "--target", to, "--path", path, "latest"})
 	case TypeVolume:
-		err = backend.ExecDocker(l, []string{"restore", "--target", ".", "--path", path, "latest"})
+		_, err = backend.ExecDocker(l, []string{"restore", "--target", ".", "--path", path, "latest"})
 	}
 	if err != nil {
 		return err