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libstore/build: add a few explanatory comments; simplify

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Maximilian Bosch 2022-02-20 16:02:44 +01:00
parent 287642f132
commit 102cb39086
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1 changed files with 6 additions and 5 deletions
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11
src/libstore/build/derivation-goal.cc
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@ -1177,6 +1177,7 @@ bool DerivationGoal::isReadDesc(int fd)
void DerivationGoal::handleChildOutput(int fd, std::string_view data) void DerivationGoal::handleChildOutput(int fd, std::string_view data)
{ {
// local & `ssh://`-builds are dealt with here.
auto isWrittenToLog = isReadDesc(fd); auto isWrittenToLog = isReadDesc(fd);
if (isWrittenToLog) if (isWrittenToLog)
{ {
@ -1210,11 +1211,11 @@ void DerivationGoal::handleChildOutput(int fd, std::string_view data)
auto json = parseJSONMessage(currentHookLine); auto json = parseJSONMessage(currentHookLine);
if (json) { if (json) {
auto s = handleJSONLogMessage(*json, worker.act, hook->activities, true); auto s = handleJSONLogMessage(*json, worker.act, hook->activities, true);
if (s && !isWrittenToLog && logSink) { // ensure that logs from a builder using `ssh-ng://` as protocol
if ((*json)["type"] == resBuildLogLine) { // are also available to `nix log`.
auto f = (*json)["fields"]; if (s && !isWrittenToLog && logSink && (*json)["type"] == resBuildLogLine) {
(*logSink)((f.size() > 0 ? f.at(0).get<std::string>() : "") + "\n"); auto f = (*json)["fields"];
} (*logSink)((f.size() > 0 ? f.at(0).get<std::string>() : "") + "\n");
} }
} }
currentHookLine.clear(); currentHookLine.clear();