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-rw-r--r--buildstream/_artifactcache/cascache.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/buildstream/_artifactcache/cascache.py b/buildstream/_artifactcache/cascache.py
index 6f5898426..3ef563368 100644
--- a/buildstream/_artifactcache/cascache.py
+++ b/buildstream/_artifactcache/cascache.py
@@ -240,7 +240,8 @@ class CASCache(ArtifactCache):
except grpc.RpcError as e:
if e.code() != grpc.StatusCode.NOT_FOUND:
- raise
+ raise ArtifactError("Failed to pull artifact {}: {}".format(
+ element._get_brief_display_key(), e)) from e
return False
@@ -285,6 +286,7 @@ class CASCache(ArtifactCache):
except grpc.RpcError as e:
if e.code() != grpc.StatusCode.NOT_FOUND:
+ # Intentionally re-raise RpcError for outer except block.
raise
missing_blobs = {}