diff options
Diffstat (limited to 'resources/image.go')
| -rw-r--r-- | resources/image.go | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/resources/image.go b/resources/image.go index d46facac5..202b54fc2 100644 --- a/resources/image.go +++ b/resources/image.go @@ -21,7 +21,6 @@ import ( "image/draw" "image/jpeg" "io" - "io/ioutil" "os" "strconv" "strings" @@ -126,8 +125,6 @@ type Image struct { configInit sync.Once configLoaded bool - copyToDestinationInit sync.Once - imaging *Imaging format imaging.Format @@ -462,30 +459,23 @@ func (i *Image) decodeSource() (image.Image, error) { return img, err } +// returns an opened file or nil if nothing to write. func (i *Image) openDestinationsForWriting() (io.WriteCloser, error) { targetFilenames := i.targetFilenames() var changedFilenames []string // Fast path: - // This is a processed version of the original. - // If it exists on destination with the same filename and file size, it is - // the same file, so no need to transfer it again. + // This is a processed version of the original; + // check if it already existis at the destination. for _, targetFilename := range targetFilenames { - if fi, err := i.spec.BaseFs.PublishFs.Stat(targetFilename); err == nil && fi.Size() == i.osFileInfo.Size() { + if _, err := i.spec.BaseFs.PublishFs.Stat(targetFilename); err == nil { continue } changedFilenames = append(changedFilenames, targetFilename) } if len(changedFilenames) == 0 { - return struct { - io.Writer - io.Closer - }{ - ioutil.Discard, - ioutil.NopCloser(nil), - }, nil - + return nil, nil } return helpers.OpenFilesForWriting(i.spec.BaseFs.PublishFs, changedFilenames...) |