Merge pull request ceph#53296 from phlogistonjohn/jjm-fix-git-ls-files

cephadm: remove duplicates when listing files in scan

Reviewed-by: Adam King <adking@redhat.com>

src/cephadm/tox.ini

@@ -62,7 +62,7 @@ deps =
     flake8-quotes
 commands =
     flake8 --config=tox.ini {posargs:cephadm.py cephadmlib}
-    bash -c 'test $(git ls-files 'cephadm.py' 'cephadmlib/*.py' | xargs grep "docker.io" | wc -l) == 11'
+    bash -c 'test $(git ls-files 'cephadm.py' 'cephadmlib/*.py' | sort -u | xargs grep "docker.io" | wc -l) == 11'
 # Downstream distributions may choose to alter this "docker.io" number,
 # to make sure no new references to docker.io are creeping in unnoticed.