content_map_page: Ensure homepage exists #11491
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Previously, it was possible to create an _index.md, but have it not be built, such as by setting
draft: true
. This would result in there being no homepage, and when e.g. a theme would call.Site.Home
, this would result in a “runtime error: invalid memory address or nil pointer dereference”. Now, if the homepage does not end up being built, we fall back to creating a default homepage, as if _index.md never exited.Fixes #11441