### Bug Description Apt update is always run, this makes little sense as in: - managed mode, we are provided with an updated environment - in host mode, we can update if required ### To Reproduce setup a craft project that requires apt packages ### part yaml ```shell parts: hello: plugin: autotools source: https://ftp.gnu.org/gnu/hello/hello-2.12.1.tar.gz ``` ### Relevant log output ```shell Initialising lifecycle :: Unknown error: Failed to refresh package list: failed to run apt update. ```