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-rw-r--r--buildstream/_artifactcache/artifactcache.py9
-rw-r--r--buildstream/_artifactcache/cascache.py3
2 files changed, 0 insertions, 12 deletions
diff --git a/buildstream/_artifactcache/artifactcache.py b/buildstream/_artifactcache/artifactcache.py
index f33b112bc..4aa7ec555 100644
--- a/buildstream/_artifactcache/artifactcache.py
+++ b/buildstream/_artifactcache/artifactcache.py
@@ -242,15 +242,6 @@ class ArtifactCache():
raise ImplError("Cache '{kind}' does not implement commit()"
.format(kind=type(self).__name__))
- # can_diff():
- #
- # Whether this cache implementation can diff (unfortunately
- # there's no way to tell if an implementation is going to throw
- # ImplError without abc).
- #
- def can_diff(self):
- return False
-
# diff():
#
# Return a list of files that have been added or modified between
diff --git a/buildstream/_artifactcache/cascache.py b/buildstream/_artifactcache/cascache.py
index a3fd16af4..4f61edd7d 100644
--- a/buildstream/_artifactcache/cascache.py
+++ b/buildstream/_artifactcache/cascache.py
@@ -113,9 +113,6 @@ class CASCache(ArtifactCache):
for ref in refs:
self.set_ref(ref, tree)
- def can_diff(self):
- return True
-
def diff(self, element, key_a, key_b, *, subdir=None):
ref_a = self.get_artifact_fullname(element, key_a)
ref_b = self.get_artifact_fullname(element, key_b)