def add_sources_from(self, tgt: Target) -> None:
dump_source = _create_source_dumper(self._builder, tgt)
self._log.debug(f" Dumping sources: {tgt}")
for relpath in tgt.sources_relative_to_buildroot():
try:
dump_source(relpath)
except OSError:
self._log.error(
f"Failed to copy {relpath} for target {tgt.address.spec}")
raise
if getattr(tgt, "_resource_target_specs", None) or getattr(
tgt, "_synthetic_resources_target", None):
# No one should be on old-style resources any more. And if they are,
# switching to the new python pipeline will be a great opportunity to fix that.
raise TaskError(
f"Old-style resources not supported for target {tgt.address.spec}. Depend on resources() "
"targets instead.")
