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error messages for issue 2238

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This commit is contained in:
Ben Burdette 2020-08-05 10:58:00 -06:00
parent b3e73547a0
commit f1a47a96b6
2 changed files with 43 additions and 3 deletions
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13
src/libstore/build.cc
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@ -4876,8 +4876,17 @@ void Worker::run(const Goals & _topGoals)
waitForInput();
else {
if (awake.empty() && 0 == settings.maxBuildJobs)
throw Error("unable to start any build; either increase '--max-jobs' "
"or enable remote builds");
{
if (getMachines().empty())
throw Error("unable to start any build; either increase '--max-jobs' "
"or enable remote builds."
"\nhttps://nixos.org/nix/manual/#chap-distributed-builds");
else
throw Error("unable to start any build; remote machines may not have "
"all required system features."
"\nhttps://nixos.org/nix/manual/#chap-distributed-builds");
}
assert(!awake.empty());
}
}