diff options
Diffstat (limited to 'src/buildstream/_stream.py')
| -rw-r--r-- | src/buildstream/_stream.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/buildstream/_stream.py b/src/buildstream/_stream.py index c71bec80a..4824c7d81 100644 --- a/src/buildstream/_stream.py +++ b/src/buildstream/_stream.py @@ -188,6 +188,12 @@ class Stream(): # in which case we just blindly trust the directory, using the element # definitions to control the execution environment only. if directory is None: + + if not element._source_cached(): + raise StreamError( + "Sources for element {} are not cached." + "Element must be fetched.".format(element._get_full_name())) + missing_deps = [ dep for dep in self._pipeline.dependencies([element], scope) if not dep._cached() |