Em dashes cannot be part of a snap name.
They _could_ be part of an intentional 'snap set' command, something like
snap set mysnap foo=—o—
in which case, if the "snap set" fails, the user will get the above message,
followed by whatever error. Like so:
$ snap set bofh foo=—o—
Your command included some characters that look like dashes but are not:
"snap set bofh foo=\u2014o\u2014"
in some situations you might find that when copying from an online source such
as a blog you need to replace “typographic” dashes and quotes with their ASCII
equivalent. Dashes in particular are homoglyphs on most terminals and in most
fixed-width fonts, so it can be hard to tell.
error: cannot perform the following tasks:
- Run configure hook of "bofh" snap (snap "bofh" has no "configure" hook)
I think this is reasonable unless we want to actually parse the em dashes,
which seems like a lot more work for this corner case.
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https://bugs.launchpad.net/bugs/1782110
Title:
unhelpful error message when snap is installed already
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