Arguments accepted by the application

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Debugging tab completion

Tab completion in bash, even without snapd, is a towering edifice built using nothing but toothpicks. I’m amazed every time it works. Adding snapd to the mix makes things a whole lot harder to figure out, because we need to marshal the tab completion request into a confined space, work out what you want, and marshal the response back out. Every single tab completer you use is designed to run in-process, and will break if you even change a completer to run as a subshell. All this to say: there’…