pub fn fetch(
workspace: &Workspace,
environment: &BTreeMap<OsString, OsString>,
) -> FetchingExpand description
Starts fetching what each task is expected to take from the record the
remote store holds for the current branch, else for the default branch:
nothing when no store is configured, QK_REMOTE_EXPECTATIONS is off or
the store holds neither. A store that cannot be read is reported.