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Add more instrumentation for #4270

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This commit is contained in:
Eelco Dolstra 2021-02-05 15:57:33 +01:00
parent d7c27f21ab
commit 480426a364
1 changed files with 4 additions and 1 deletions
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5
src/libstore/build/derivation-goal.cc
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@ -1784,12 +1784,14 @@ void DerivationGoal::startBuilder()
worker.childStarted(shared_from_this(), {builderOut.readSide.get()}, true, true);
/* Check if setting up the build environment failed. */
std::vector<std::string> msgs;
while (true) {
string msg = [&]() {
try {
return readLine(builderOut.readSide.get());
} catch (Error & e) {
e.addTrace({}, "while reading the response of setting up the build environment");
e.addTrace({}, "while waiting for the build environment to initialize (previous messages: %s)",
concatStringsSep("|", msgs));
throw e;
}
}();
@ -1801,6 +1803,7 @@ void DerivationGoal::startBuilder()
throw ex;
}
debug("sandbox setup: " + msg);
msgs.push_back(std::move(msg));
}
}