diff options
Diffstat (limited to 'cmd/podman/images.go')
| -rw-r--r-- | cmd/podman/images.go | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/cmd/podman/images.go b/cmd/podman/images.go index 6133450be..c38d7035d 100644 --- a/cmd/podman/images.go +++ b/cmd/podman/images.go @@ -5,6 +5,7 @@ import ( "fmt" "reflect" "sort" + "strconv" "strings" "time" "unicode" @@ -318,13 +319,14 @@ func getImagesJSONOutput(ctx context.Context, images []*adapter.ContainerImage) func generateImagesOutput(ctx context.Context, images []*adapter.ContainerImage, opts imagesOptions) error { templateMap := GenImageOutputMap() - if len(images) == 0 { - return nil - } var out formats.Writer switch opts.format { case formats.JSONString: + // If 0 images are present, print nothing for JSON + if len(images) == 0 { + return nil + } imagesOutput := getImagesJSONOutput(ctx, images) out = formats.JSONStructArray{Output: imagesToGeneric([]imagesTemplateParams{}, imagesOutput)} default: @@ -359,6 +361,9 @@ func CreateFilterFuncs(ctx context.Context, r *adapter.LocalRuntime, filters []s var filterFuncs []imagefilters.ResultFilter for _, filter := range filters { splitFilter := strings.Split(filter, "=") + if len(splitFilter) != 2 { + return nil, errors.Errorf("invalid filter syntax %s", filter) + } switch splitFilter[0] { case "before": before, err := r.NewImageFromLocal(splitFilter[1]) @@ -373,7 +378,11 @@ func CreateFilterFuncs(ctx context.Context, r *adapter.LocalRuntime, filters []s } filterFuncs = append(filterFuncs, imagefilters.CreatedAfterFilter(after.Created())) case "dangling": - filterFuncs = append(filterFuncs, imagefilters.DanglingFilter()) + danglingImages, err := strconv.ParseBool(splitFilter[1]) + if err != nil { + return nil, errors.Wrapf(err, "invalid filter dangling=%s", splitFilter[1]) + } + filterFuncs = append(filterFuncs, imagefilters.DanglingFilter(danglingImages)) case "label": labelFilter := strings.Join(splitFilter[1:], "=") filterFuncs = append(filterFuncs, imagefilters.LabelFilter(ctx, labelFilter)) |