An unbalanced single quote caused Fish to fail to load the completion file with `source: Error while reading file “/etc/fish/completions/docker.fish”`. Docker-DCO-1.1-Signed-off-by: Andrew France <andrew@avito.co.uk> (github: Odaeus) Upstream-commit: 6ad5fe86590f757eca754d5bb4a599faec63ae30 Component: engine