diff options
Diffstat (limited to 'libpod/image/filters.go')
-rw-r--r-- | libpod/image/filters.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libpod/image/filters.go b/libpod/image/filters.go index 9738a7d5e..db647954f 100644 --- a/libpod/image/filters.go +++ b/libpod/image/filters.go @@ -29,6 +29,26 @@ func CreatedBeforeFilter(createTime time.Time) ResultFilter { } } +// IntermediateFilter returns filter for intermediate images (i.e., images +// with children and no tags). +func (ir *Runtime) IntermediateFilter(ctx context.Context, images []*Image) (ResultFilter, error) { + tree, err := ir.layerTree() + if err != nil { + return nil, err + } + return func(i *Image) bool { + if len(i.Names()) > 0 { + return true + } + children, err := tree.children(ctx, i, false) + if err != nil { + logrus.Error(err.Error()) + return false + } + return len(children) == 0 + }, nil +} + // CreatedAfterFilter allows you to filter on images created after // the given time.Time func CreatedAfterFilter(createTime time.Time) ResultFilter { |