list-*: Ensure we list all entries on error

Return some formatted string and return nil instead of aborting the
entire listing when we encounter an error.

Fixes: https://github.com/Foxboron/sbctl/issues/88

Signed-off-by: Morten Linderud <morten@linderud.pw>

cmd/sbctl/list-bundles.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"strings"
 
 	"github.com/foxboron/sbctl"
@@ -23,7 +24,8 @@ var listBundlesCmd = &cobra.Command{
 			func(s *sbctl.Bundle) error {
 				ok, err := sbctl.VerifyFile(sbctl.DBCert, s.Output)
 				if err != nil {
-					return err
+					logging.Error(fmt.Errorf("%s: %w\n", s.Output, err))
+					return nil
 				}
 				logging.Println("Enrolled bundles:\n")
 				logging.Println(s.Output)

cmd/sbctl/list-files.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"fmt"
+
 	"github.com/foxboron/sbctl"
 	"github.com/foxboron/sbctl/logging"
 	"github.com/spf13/cobra"
@@ -24,7 +26,8 @@ func RunList(_ *cobra.Command, args []string) error {
 		func(s *sbctl.SigningEntry) error {
 			ok, err := sbctl.VerifyFile(sbctl.DBCert, s.OutputFile)
 			if err != nil {
-				return err
+				logging.Error(fmt.Errorf("%s: %w\n", s.OutputFile, err))
+				return nil
 			}
 			logging.Println(s.File)
 			logging.Print("Signed:\t\t")

cmd/sbctl/sign-all.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"errors"
+	"fmt"
 
 	"github.com/foxboron/sbctl"
 	"github.com/foxboron/sbctl/logging"