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-rw-r--r--buildstream/_artifactcache/artifactcache.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/buildstream/_artifactcache/artifactcache.py b/buildstream/_artifactcache/artifactcache.py
index f4157c7ef..6a9b57f2c 100644
--- a/buildstream/_artifactcache/artifactcache.py
+++ b/buildstream/_artifactcache/artifactcache.py
@@ -383,6 +383,13 @@ class ArtifactCache():
# Abstract methods for subclasses to implement #
################################################
+ # preflight():
+ #
+ # Preflight check.
+ #
+ def preflight(self):
+ pass
+
# update_atime()
#
# Update the atime of an artifact.