Fix repl test for buildReadlineNoMarkdown
#11167
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Slightly custom because the automated formatting messes up the braced initializer with named fields.
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For testing only.
... as well as match buildReadlineNoMarkdown. Unfortunately it doesn't support long inputs or multiline inputs for now. This needs to make better use of the interacter interface.
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The CI failure on e48e0cb is similar to #11144 (comment), so I've cherry-picked a commit that logs more before aborting. |
| * @note: This assumes that the logger is operational | ||
| */ | ||
| [[noreturn]] | ||
| void panic(std::string_view msg); |
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I'd prefer a macro similar to printError() and debug() that wraps fmt() so we can write stuff like
panic("bla %s", arg);
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I was trying to keep it somewhat simple, because it might have to perform in a somewhat broken process state, though probably it shouldn't even use the logger then, and just write to fd 2.
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I've made them signal safe.
For non-critical errors, we can throw Error as we did.
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I don't know if signal safety is worth pursuing, since it's really too hard to ensure that nothing ever calls malloc() or whatever. It's better to keep signal handlers trivial (e.g. they should only wake up a thread by writing to a file descriptor).
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I've removed any mention of that. The goal is just to be robust; signal safety would have been a nice property, but it doesn't have to be a goal.
src/libutil/error.hh
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| * | ||
| * @note: This assumes that the logger is operational | ||
| */ | ||
| #define NIX_UNREACHABLE() (panic(__FILE__, __LINE__, __func__)) |
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| #define NIX_UNREACHABLE() (panic(__FILE__, __LINE__, __func__)) | |
| #define unreachable() (panic(__FILE__, __LINE__, __func__)) |
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Plus one or two tweaks.
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Merging because it's blocking
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Motivation
buildReadlineNoMarkdownbuildContext
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