add skip_if_unavailable to repoquery commands (#332)

Explicitly passes setting to `repoquery` in case host system doesn't set this dnf option to true.

Author: tobiasb-ms

internal/rpm/repoquery.go

@@ -162,10 +162,14 @@ func (q *RQRepoQuerier) GetRPMLocation(ctx context.Context, packageName string,
 //
 //	Also set quiet mode to suppress unnecessary output.
 //
+// --setopt=skip_if_unavailable=true: Skip repositories that are unavailable. The default
+// behavior is to fail if any repository is unavailable. AZL3 sets this to true in the
+// dnf config, but for example Fedora leaves it to the default false.
+//
 // --repofrompath: Set the repository path to the configured RPM repository.
 // --repo: Set the repository name to the configured RPM repository. This also ignores the default system repositories.
 func (q *RQRepoQuerier) addBasicArgs(inputArgs []string) []string {
-	completeArgs := append([]string{"-yq"}, q.buildRepoArgs()...)
+	completeArgs := append([]string{"-yq", "--setopt=skip_if_unavailable=true"}, q.buildRepoArgs()...)
 
 	if q.releaseVer != "" {
 		completeArgs = append(completeArgs, "--releasever", q.releaseVer)