Checks whether the rootfs has UDI or Subiquity snaps #249
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Let's place there those small bits that resemble std algorithms. They seem very useful to be tied to one namespace. Also, made them templates, to deal with char and wchar_t. Moves concat as well
Both ubuntu-desktop-installer and subiquity. For now only the first is relevant. Soon the second will be.
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| // Common algorithms to be used everywhere in the launcher project with style resembling the std ones. | ||
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| template <typename CharT> | ||
| bool starts_with(const std::basic_string_view<CharT> tested, const std::basic_string_view<CharT> start) |
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2 adjacent parameters of starts_with of similar type (const std::basic_string_view<CharT>) are easily swapped by mistake
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It is indeed somewhat bug prone, but those are the only parameters the function accept, I don't see other way to do it :D.
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In the future maybe we should refactor a bit and put all algorithms tests in their own test suite.
Also, some functions around the codebase might be better here as well. Things like wide_string_to_utf8, or safe_execute as quick examples.
That I'd say is outside the scope of this PR, so approving.
I like the idea. |
Currently only checking for UDI is relevant. Soon Subiquity-only will be as well, which will break the possibility of rendering a GUI from inside Linux, since there will be no GUI there anymore.
Thus, this pull request modifies the function that checks whether the distro is GUI-enabled to check for the existence of the UDI snap.
Since I wanted to reuse your implementation of
starts|ends_withalgorithms, I created a new header to host them (plus some other bits with similar scope).