Also, when the format uses something unrecognized, die with more descriptive error message. Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>
There is a new configuration option that allows listing what can fail without aborting the whole compose. So far, only buildinstall, createiso and liveimages phases react to this option. Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>