Fix filters in image http compat/libpod api endpoints

Signed-off-by: Jakub Guzik <jakubmguzik@gmail.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/libpod/image/prune.go b/libpod/image/prune.go
index d6ae5feaf..21867698a 100644
--- a/libpod/image/prune.go
+++ b/libpod/image/prune.go
@@ -2,6 +2,7 @@ package image
 
 import (
 	"context"
+	"strconv"
 	"strings"
 	"time"
 
@@ -52,6 +53,12 @@ func generatePruneFilterFuncs(filter, filterValue string) (ImageFilter, error) {
 			}
 			return false
 		}, nil
+	case "dangling":
+		danglingImages, err := strconv.ParseBool(filterValue)
+		if err != nil {
+			return nil, errors.Wrapf(err, "invalid filter dangling=%s", filterValue)
+		}
+		return ImageFilter(DanglingFilter(danglingImages)), nil
 	}
 	return nil, nil
 }