cloudapi: when depsolving specific imagetypes used ReposByImageTypeName

The cloudapi depsolve() endpoint is currently not taking tagged
repositories into account. Ensure that when an imagetype is
specified the repos are parsed again so that any "tagged" repos
for specific image types are taken into account as well.

Author: mvo5

internal/cloudapi/v2/depsolve.go

@@ -67,7 +67,12 @@ func (request *DepsolveRequest) Depsolve(df *distrofactory.Factory, rr *reporegi
 		if err != nil {
 			return nil, HTTPError(ErrorUnsupportedImageType)
 		}
-
+		// image type may have "tagged" repos that are only available for this
+		// image type so we need to re-read
+		repos, err = rr.ReposByImageTypeName(imageType.Arch().Distro().Name(), imageType.Arch().Name(), imageType.Name())
+		if err != nil {
+			return nil, HTTPError(ErrorUnsupportedImageType)
+		}
 		// use the same seed for all images so we get the same IDs
 		bigSeed, err := rand.Int(rand.Reader, big.NewInt(math.MaxInt64))
 		if err != nil {