do not truncate saved image to size of uppermost layer

JoelColledge · JoelColledge · commit 1e8e6370d88e · 2020-07-20T17:54:02.000+02:00
diff --git a/internal/virter/image.go b/internal/virter/image.go
@@ -204,12 +204,7 @@ func (v *Virter) ImageSave(name string, to io.Writer) error {
 	}
 	defer v.volDeleteMust(newVol)
 
-	if volcfg.Physical == nil {
-		return fmt.Errorf("invalid volume without physical size")
-	}
-	length := volcfg.Physical.Value
-
-	err = v.libvirt.StorageVolDownload(newVol, to, 0, length, 0)
+	err = v.libvirt.StorageVolDownload(newVol, to, 0, 0, 0)
 	if err != nil {
 		return fmt.Errorf("could not download volume: %w", err)
 	}

Original file line number	Diff line number	Diff line change
`@@ -204,12 +204,7 @@ func (v *Virter) ImageSave(name string, to io.Writer) error {`
`204`	`204`	`}`
`205`	`205`	`defer v.volDeleteMust(newVol)`
`206`	`206`
`207`		`- if volcfg.Physical == nil {`
`208`		`- return fmt.Errorf("invalid volume without physical size")`
`209`		`- }`
`210`		`- length := volcfg.Physical.Value`
`211`		`-`
`212`		`- err = v.libvirt.StorageVolDownload(newVol, to, 0, length, 0)`
	`207`	`+ err = v.libvirt.StorageVolDownload(newVol, to, 0, 0, 0)`
`213`	`208`	`if err != nil {`
`214`	`209`	`return fmt.Errorf("could not download volume: %w", err)`
`215`	`210`	`}`