diff options
Diffstat (limited to 'libpod/image')
| -rw-r--r-- | libpod/image/errors.go | 2 | ||||
| -rw-r--r-- | libpod/image/image.go | 13 |
2 files changed, 13 insertions, 2 deletions
diff --git a/libpod/image/errors.go b/libpod/image/errors.go index 4088946cb..ddbf7be4b 100644 --- a/libpod/image/errors.go +++ b/libpod/image/errors.go @@ -12,4 +12,6 @@ var ( ErrNoSuchPod = errors.New("no such pod") // ErrNoSuchImage indicates the requested image does not exist ErrNoSuchImage = errors.New("no such image") + // ErrNoSuchTag indicates the requested image tag does not exist + ErrNoSuchTag = errors.New("no such tag") ) diff --git a/libpod/image/image.go b/libpod/image/image.go index d81f7e911..83e7467e9 100644 --- a/libpod/image/image.go +++ b/libpod/image/image.go @@ -559,15 +559,24 @@ func (i *Image) TagImage(tag string) error { return nil } -// UntagImage removes a tag from the given image +// UntagImage removes the specified tag from the image. +// If the tag does not exist, ErrNoSuchTag is returned. func (i *Image) UntagImage(tag string) error { if err := i.reloadImage(); err != nil { return err } + + // Normalize the tag as we do with TagImage. + ref, err := NormalizedTag(tag) + if err != nil { + return err + } + tag = ref.String() + var newTags []string tags := i.Names() if !util.StringInSlice(tag, tags) { - return nil + return errors.Wrapf(ErrNoSuchTag, "%q", tag) } for _, t := range tags { if tag != t { |