Add an option to limit the log output of builders

This is mostly useful for Hydra to deal with builders that get stuck
in an infinite loop writing data to stdout/stderr.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index d17bd947d3da..aeb52e1a8696 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -46,6 +46,7 @@ Settings::Settings()
     impersonateLinux26 = false;
     keepLog = true;
     compressLog = true;
+    maxLogSize = 0;
     cacheFailure = false;
     pollInterval = 5;
     checkRootReachability = false;
@@ -140,6 +141,7 @@ void Settings::update()
     get(impersonateLinux26, "build-impersonate-linux-26");
     get(keepLog, "build-keep-log");
     get(compressLog, "build-compress-log");
+    get(maxLogSize, "build-max-log-size");
     get(cacheFailure, "build-cache-failure");
     get(pollInterval, "build-poll-interval");
     get(checkRootReachability, "gc-check-reachability");